Gautam Badhwar (1940-2001)

Selected Publications during1994-1997 (\~ 50) and Other Pertinent
Reports (\~ 100)

1\. G.D. Badhwar, **Drift rate of the South Atlantic Anomaly**, *J.
Geophys. Res.* **102**, A2, 2343-2349 (1997).

2\. G.D. Badhwar, F.A. Cucinotta, and A. Konradi, **Shuttle Measurements
of the Galactic Cosmic Radiation LET Spectra**, *Adv. Space Res.*
**18**, No. 12, 159-165 (1996).

3\. F.A. Cucinotta, J.W. Wilson, R. Katz, W. Atwell, [G.D.
Badhwar]{.underline}, and M.R. Shavers, **Track Structure and Radiation
Transport Model for Space Radiobiology Studies**, *Adv. Space Res.*
**18**, No. 12, 183-194 (1996).

4\. G.D. Badhwar, W. Atwell, B. Bash, M. Weyland, V.M. Petrov et al.,
**Intercomparison of Radiation Measurements on STS-63**, *Radiat. Meas.*
**26**, No. 6, 901-916 (1997).

5\. G.D. Badhwar, W. Atwell, B. Cash, V.M. Petrov, Yu. A. Akatov, et
al., **Radiation Environment on the Mir Orbital Station During Solar
Minimum**, *Adv. Space Res.*, 1997.

6\. G.D. Badhwar, V. Dudkin, T. Doke, and W. Atwell, **Radiation
Measurements on the Flight of IML-2**, *Adv. Space Res.*, 1997.

7\. G.D. Badhwar, **The Radiation Environment in Low-Earth Orbit**,
*Radiat, Res.* (to appear in the November, 1997 issue).

8\. G.D. Badhwar, V.A. Shurshakov, and V. Tsetlin, **Solar Modulation of
Dose Rate Onboard the *Mir* Station**, *IEEE Transactions on Nuclear
Science,* July 1997.

9\. G. D. Badhwar and F.A. Cucinotta, **Depth Dependence of Absorbed
Dose, Dose Equivalent, and Linear Energy Transfer Spectra in
Polyethylene and Comparison with Model Calculations**, *Radiat. Res.*,
submitted June 1997.

10\. J.L. Shinn, [G.D. Badhwar]{.underline}, M.A. Xapsos, F.A.
Cucinotta, and J.W. Wilson, **A preliminary analysis of the energy
deposition in tissue equivalent proportional counter onboard the Space
Shuttle**, *Radiat. Res.* submited for publication, June 1997.

11\. E.N. Zapp, C.R. Ramsey, L.W. Townsend, and [G.D.
Badhwar]{.underline}, **Solar Particle Event Dose Distributions:
Parametrization of Dose-Time Profiles**, *12th Man in Space Symposium*,
Washington, D.C., June 11, 1997.

12\. P.M. O'Neill, [G.D. Badhwar]{.underline}, and W.X. Culpepper,
**Prediction of Heavy Ion Susceptibility of Parts Tested with Protons**,
*2nd International Conference on High Energy Background Radiation in
Space (34th Annual International Nuclear and Space Radiation Effects
Conference),* Snowmass Village, Colorado, July 21-25, 1997.

13\. G.D. Badhwar, and F.A. Cucinotta, **Depth Dependence of Absorbed
Dose, Dose Equivalent, and Linear Energy Transfer Spectra in
Polyethylene and Comparison with Model Calculations**, *8th* *Annual
Space Radiation Health Meeting,* Brookhaven National Laboratory, NY,
April 28-May 3, 1997.

14\. G.D. Badhwar, V.A. Shurshakov, and V. Tsetlin, **Solar Modulation
of Dose Rate Onboard the *Mir* Station**, *8th* *Annual Space Radiation
Health Meeting,* Brookhaven National Laboratory, NY, April 28-May 3,
1997.

15\. G.D. Badhwar, A. Konradi, W. Atwell, M.J. Golightly, F.A.
Cucinotta, J.W. Wilson, V.M. Petrov, I.V. Tchernykh, V.A. Shurshakov,
and A.P. Lobakov, **Measurements of the linear energy transfer spectra
on the Mir orbital station and comparison with radiation transport
models**: *Radiat. Meas.* **26** (2), 147-148, 1996.

16\. G.D. Badhwar, M.J. Golightly, A. Konradi, W. Atwell, J.W. Kern,
B.Cash, E.V. Benton, A.L. Frank, D. Sanner, R.P. Keegan, L.A. Frigo,
V.M. Petrov, I.V. Tchernykh, Yu. A. Akatov, V.A. Shurshakov, V.A.
Arkangelsky, V.V. Kushin, N. Vana, and W. Schoner: **In-flight Rdiation
Measurements on STS-60**, *Radiat. Meas**.*** **26**(1), 17-34, 1996.

17\. G.D. Badhwar, P.M. O'Neill, F.A. Cucinotta, and M. Weyland, **Space
Shuttle Measurements of the Galactic Cosmic Radiation Linear Energy
Transfer Spectra Over A Solar Cycle And Their Comparison With Radiation
Transport Model**, *Proceedings of the 25th International Cosmic Ray
Conference*, August 25-September 6, Rome, Italy, **4**, 1118-1121, 1995.

18\. P.M. O'Neill and G.D. Badhwar, **Helium-3 Local Interstellar
Spectra Derived By Demodulating Measured Spectra**, *Proceedings of the
25th International Cosmic Ray Conference*, August 25-September 6, Rome,
Italy, **2,** 610-613,1995.

19\. G.D. Badhwar and P.M. O'Neill: **Galactic cosmic radiation model
and its applications**, *Adv. Space Res.* **17**, 7-17, 1996.

20\. G.D. Badhwar and D.E. Robbins, **Decay rate of the second radiation
belt**, *Adv. Space Res.* **17**, 151-158, 1996.

21\. F.A. Cucinotta, L.W. Townsend, J.W. Wilson, J.L. Shinn, G.D.
Badhwar, and R.R. Dubey: **Light Ion Components of the Galactic Cosmic
Rays: Nuclear Interactions and Transport Theory,** *Adv. Space Res.*
**17**, 77-86, 1996.

22\. A. Tan, G.D. Badhwar, F.A. Allahdadi, and D.F. Medina, **Solwind
fragmentation event using theory and computations**: *J. Spacecraft and
Rockets*, **33**(1), 79-85, 1996.

23\. A. Tan and G.D. Badhwar, **Detecting the Dynamical State of the
Atmosphere from the Orbital Decay of the ODERACS Spheres**, Accepted for
publication, *Journal of Atmospheric & Terrestrial Physics*, January 24,
1996.

24\. G.D. Badhwar and R.G. Richmond, **Operational Radiation
Measurements for the International Space Station**, SAE Technical Paper
Series No. 961580, 26th International Conference on Environmental
Systems, Monterey, CA, July 8-11, 1996.

25\. G.D. Badhwar and R.G. Richmond, **Measurement of Depth
Dose-Equivalent on the Space Shuttle**, SAE Technical Paper Series No. ,
26th International Conference on Environmental Systems, CA, July 8-11,
1996.

26\. V.M. Petrov and G. D. Badhwar, **ALARA Principle Realization During
Mir Station Flight**, 7th Annual Investigator's Workshop, Riverside,
California, May 1-17, 1996.

27\. M.J. Golightly, G.D. Badhwar, M.J. Dunlop, and S. Patel:
**Solar-Cycle Modulation of the Trapped Proton Radiation Exposure Inside
the Space Shuttle**, in *Proceedings of the 16^th^ National Solar
Observatory Workshop, "Solar Drivers of the Interplanetary and
Terrestrial Disturbances",* Astronomical Society of the Pacific
Conference Series, **95**, 505-517 (1996). Editors: K.S. Balasubramiam,
Stephen L. Keil and Raymond N. Smartt.

28\. G.D. Badhwar, **Deep Space Radiation Sources, Models, and
Environmental Uncertainty**, *Proceedings of Shielding Strategies for
Human Space Exploration*, Houston, Texas, December 6-8, 1995.

29\. G.D. Badhwar, **Spaceflight Validation of Material Shielding
Properties**, *Proceedings of Shielding Strategies for Human Space
Exploration*, Houston, Texas, December 6-8, 1995.

30\. G.D. Badhwar, **Expected Radiation Exposure for International Space
Station and Its Monitoring**, AIAA Symposium, Houston, Texas, April
1996.

31\. G.D. Badhwar, **Radiation Measurements onboard the Space Shuttle
and Mir Orbital Station**, *Proceedings of the RADCON* Symposium, Texas
Prairie View A&M University, April 24-25, 1996.

32\. P.M. O'Neill and G.D. Badhwar, **A New Method for Constructing
Heavy Ion Single Event Effect Cross Section Versus LET Based on Proton
Single Event Cross Section Versus Energy**, *Proceedings of the Single
Event Effects Symposium,* Manhattan Beach, California, April 18-19,
1996.

33\. G.D. Badhwar and P.M. O'Neill, **Long-term modulation of galactic
cosmic radiation and its** **model for space exploration**, *Adv. Space
Res.* **14**(10), 749-757 (1994).

34\. G.D. Badhwar, A. Konradi, L.A. Braby, W. Atwell, and F.A.
Cucinotta, **Measuremnts of** **trapped protons and cosmic rays from
recent shuttle flights**, *Adv. Space Res.* **14**(10), 67-72 (1994).

35\. L.W. Townsend, F.A. Cucinotta, J.W. Wilson, J.L. Shinn, and G.
Badhwar, **Solar modulation** **and nuclear fragmentation effects in
galactic cosmic ray transport through shielding**, *Adv. Space Res.*
**14**(10) 853-861 (1994).

36\. A. Konradi, G.D. Badhwar, and L.A. Braby, **Recent space shuttle
observations of the South** **Atlantic Anomaly and the radiation belt
models**, *Adv. Space Res.* **14**(10) 911-921(1994).

37\. G.D. Badhwar, F.A. Cucinotta, and P.M. O'Neill, **An Analysis of
interplanetary space radiation** **exposure for various solar cycles**,
*Radiat. Res.* **138**, 201-208 (1994).

38\. G.D. Badhwar and P.M. O'Neill, **Time lag of twenty two year
modulation**. In *Proceedings of the 23rd International Cosmic Ray
Conference,* **3**, 535-539, Calgary, 1993.

39\. G.D. Badhwar, J.U. Patel, F.A. Cucinotta, and J.W. Wilson,
**Measurements of the secondary** **particle energy spectra in the Space
Shuttle**, *Radiation Measurements*, **24**, 129-138 (1995).

40\. G. D. Badhwar and P.M. O'Neill, **Galactic cosmic radiation model
and its applications**, *Adv. Space Res.* **17**, 7-17 (1996).

41\. G.D. Badhwar, F.A. Cucinotta, and A. Konradi, **Shuttle
measurements of galactic cosmic** **radiation LET spectra**, *Adv. Space
Res.* (1995).

42\. G.D. Badhwar, J.U. Patel, A. Konradi, F.A. Cucinotta, and J.W.
Kern, **Trapped particle** **energy spectrum in the Shuttle middeck**,
*Adv. Space Res.* (1995).

43\. G.D. Badhwar, W. Atwell, E.V. Benton, A. L. Frank, R.P. Keegan,
V.E. Dudkin, O.N. Karpov, Yu. V. Potapov, A.B. Akopova, N.V. Magradze,
L.V. Melkumyan, and Sh. B. Rshtuni, **A study of** **the radiation
environment on board the Space Shuttle flight STS-57**, *Radiation
Measurements,* **24** (1995).

44\. P.M. O'Neill and G.D. Badhwar, **Helium-3 Local Interstellar
Spectra Derived By** **Demodulating Measured Spectra**, *25th
International Cosmic Ray Conference,* Rome, Italy, August 25-September
6, 1995.

45\. G.D. Badhwar, P.M. O'Neill, F.A. Cucinotta, and M. Weyland, **Space
Shuttle Measurements** **of The Galactic Cosmic Radiation Linear Energy
Transfer Spectra Over A Solar** **Cycle And Their Comparison With
Radiation Transport Model**, *25th International Cosmic Ray Conference,*
Rome, Italy, August 25-September 6, 1995.

46\. G.D. Badhwar, A. Konradi, W. Atwell, M.J. Golightly, F.A.
Cucinotta, J.W. Wilson, V.M. Petrov, I.V. Tchernykh, V.A. Shurshakov,
and A.P. Lobakov, **Measurements of the Linear Energy** **Transfer
Spectra on the Mir Orbital Station and Comparison with Radiation
Transport Models,** *Radiation Measurements* (1995).

47\. F.A. Cucinotta, L.W. Townsend, J.W. Wilson, J.L. Shinn, [G.D.
Badhwar]{.underline}, and R.R. Dubey, **Light Ion Components of the
Galactic Cosmic Rays: Nuclear Interactions and Transport Theory,** *Adv.
Space Res.* **17**, 77-86 (1996).

48\. T. Doke, J. Kikuchi, T. Hayashi, H. Hasebe, [G.D.
Badhwar]{.underline}, H. Watanabe, K. Harada, F. Tomita, S. Nagaoka, and
M. Kato, **Real-time radiation dosimetry and biological experiments for
heavy charged particles in spacecraft, *NASDA Report*, 1995.**

49\. T. Doke, T. Hayashi, J. Kikuchi, N. Hasebe, S. Nagaoka, M. Kato,
and [G.D. Badhwar]{.underline}, **Real time measurement of
LET-distributions in the IML-2 Spacelab (STS-65),** *Nucl. Instru. &
Methods* (1995).

50\. P.M. O'Neill and G.D. Badhwar, **Single event upsets for space
shuttle flights of new general** **purpose computer memory devices**,
IEEE *Trans. on Nuclear Science*, **41**, 1755-1764 (1994).

51\. G.D. Badhwar, F.A. Cucinotta, L.A. Braby, and A. Konradi,
**Measurements on the Shuttle of the LET spectra of galactic cosmic
radiation and comparison with the radiation transport model**,
*Radiation Research,* **139**, 344-351 (1994).

52\. G.D. Badhwar, F.A. Cucinotta, and P.M. O'Neill, **An analysis of
interplanetary space radiation** **exposure for various solar cycles**,
*Radiation Research* **138**, 201-208 (1994).

**ISOTOPIC COMPOSITION OF LOW ENERGY HYDROGEN NUCLEI IN THE PRIMARY
COSMIC RADIATION.**

G. D. BADHWAR 1 Nov. 1964 5 p

(Contract AF-AFOSR-439-63)

**THE ENERGY DEPENDENCE OF THE ABUNDANCE OF LITHIUM, BERYLLIUM, AND
BORON IN THE PRIMARY COSMIC RADIATION - OBSERVATIONS AT FORT
CHURCHILL.**

G. D. BADHWAR, S. N. DEVANATHAN, and M.F. KAPLON 1 Mar. 1965 13 p

(Contract AF-AFOSR-439-63)

**A65-33774#**

**INVESTIGATIONS ON MULTIPLY CHARGED NUCLEI OF THE PRIMARY COSMIC
RADIATIN NEAR THE GEOMAGNETIC EQUATOR USING NUCLEAR EMULSIONS. II - THE
CHARGE SPECTRUM OF NUCLEI OF ENERGY E GREATER THAN 7.5 GEV/NUCLEON.**

G. D. BADHWAR, N. DURGAPRASAD, and B. VIJAYALAKSHMI 1964 17 p

**A65-35150#**

**INVESTIGATIONS ON THE MULTIPLY CHARGED NUCLEI OF THE PRIMARY COSMIC
RADIATION NEAR THE GEOMAGNETIC EQUATOR USING NUCLEAR EMULSIONS. I -
FRAGMENTATION PARAMETERS I GRAPHITE.**

G. D. BADHWAR, N. DURGAAPRASAD, and B. VIJAYALAKSHMI Jun. 1965 24 p

**A65-36715#**

**A STUDY OF THE MULTIPLY CHARGED NUCLEI OF THE PRIMARY COSMIC RADIATION
NEAR THE GEOMAGNETIC EQUATOR USING NUCLEAR EMULSIONS. I FRAGMENTATION
PARAMETERS IN GRAPHITE.**

G. D. BADHWAR, N. DURGAPRASAD, and B. VIJAYALAKSHMI 1964 5 p

**A65-36716#**

**A STUDY OF THE MULTIPLY CHARGED NUCLEI OF THE PRIMARY COSMIC RADIATION
NEAR THE GEOMAGNETIC EQUATOR USING NUCLEAR EMULSIONS. II - THE CHEMICAL
COMPOSITION OF THE PRIMARY COSMIC RAY NUCLEI OF ZETA GREATER THAN 6.**

G. D. BADHWAR, N. DURGAPRASAD, and B. VIJAYALAKSHMI 1964 4 p

**A65-36720#**

**ENERGY SPECTRUM OF HEAVY NUCLEI OF PRIMARY COSMIC RAYS FROM
SIMULTANEOUS FLIGHTS FROM TEXAS, U.S.A. AND HYDERABAD, INDIA.**

G. D. BADHWAR, S. BISWAS, R. R. DANIEL, and N. DURGAPRASAD 1964 3 p

**A67-12956#**

**THE ENERGY DEPENDENCE OF THE ISOTOPIC COMPOSITION OF HELIUM NUCLEI IN
THE PRIMARY COSMIC RADIATION.**

G. D. BADHWAR and M. F. KAPLON 1 Nov. 1966 4 p

**A68-16056\***

**MEASUREMENTS OF THE LOW-ENERGY COSMIC RADIATION DURING THE SUMMER OF
1966.**

G. D. BADHWAR, C. L. DENEY, B. R. DENNIS, and M. F. KAPLON PHYSICAL
REVIEW, 2ND SERIES, VOL. 163, P. 1327-1342. 44 25 Nov. 1967 16 p refs
NASA-NSF-USAF-SUPPORTED RESEARCH. Copyright

**A68-41422\***

**THE CHEMICAL COMPOSITION OF COSMIC RAYS IN THE ENERGY RANGE 70-240
MEV/NUCLEON IN 1966.**

G. D. BADHWAR, C. L. DENEY, B. R. DENNIS, and M. F. KAPLON CANADIAN
JOURNAL OF PHYSICS, VOL. 46, PT. 3, P. S509-S511. 15 May 1968 refs
/INTERNATIONAL UNION OF PURE AND APPLIED PHYSICS, INTERNATIONAL
CONFERENCE ON COSMIC RAYS, 10TY, CALGARY, CANADA, JUN. 19-30, 1967/
NASA-NSF-USAF-SUPPORTED RESEARCH. Copyright

**A68-41518\***

**PRIMARY PROTONS AND ALPHA PARTICLES IN THE ENERGY RANGE**

**70-240 MEV/NUCLEON OBSERVED DURING 1966.**

G. D. BADHWAR, C. L. DENEY, B. R. DENNIS, and M. F. KAPLON CANADIAN
JOURNAL OF PHYSICS, VOL. 46, PT. 4, P. S900-902. 15 May 1968 refs
/INTERNATIONAL UNION OF PURE AND APPLIED PHYSICS, INTERNATIONAL
CONFERENCE ON COSMIC RAYS, 10TH, CALGARY, CANADA, JUN. 19030, 1967./
NASA-NSF-USAF-SUPPORTED RESEARCH. Copyright

**A68-41568\***

**A COSMIC-RAY COUNTER TELESCOPE FOR HIGH MASS RESOLUTION.**

G. D. BADHWAR, C. L. DENEY, B. R. DENNIS, and M. F. KAPLON CANADIAN
JOURNAL OF PHYSICS, VOL. 46, PT. 4, P. S1122-S1124. 15 May 1968
/INTERNATIONAL CONFERENCE ON COSMIC RAYS, 10TH, CALGARY, CANADA, JUN.
19-30, 1967./ NASA-NFS-USAF-SUPPORTED RESEARCH. copyright

**A69-16277\***

**FLUX OF HYDROGEN, HELIUM, AND ELECTRONS AT FORT CHURCHHILL IN 1967.**

G.D. BADHWAR, C.L. DENEY, and M.F. KAPLON JOURNAL OF GEOPHYSICAL
RESEARCH, VOL.74, P. 369-371. 5 REFS. 1 JAN. 1969 NSF-NASA-SUPPORTED
RESEARCH. Copyright

**A69-18833\***

**DIFFERENTIAL ENERGY SPECTRUM OF PROTONS, HELIUM NUCLEI, AND
ELECTRONS**.

G.D. BADHWAR, C.L. DENEY, and M.F. KAPLON JOURNAL OF GEOPHYSICAL
RESEARCH, VOL. 74, P. 744-754. 13 REFS. 1 FEB. 1969 NSF-NASA-SUPPORTED
RESEARCH. Copyright

**A70-38089\*#**

**HIGH ENERGY GAMMA-RAY OBSERVATIONS FROM OSO-III**

G. BADHWAR, M.F, KAPLON, and D. VALENTINE BUDAPEST, AKADEMIAI KIADO,
1970 9 p refs IN-INTERNATIONAL CONFERENCE ON COSMIC RAYS, 11TH,
BUDAPEST, HUNGARY, AUG. 25-SEP. 4, 1969, PROCEEDINGS. VOLUME 1 - ORIGIN
AND GALACTIC PHENOMENA. P. 101-109. /A70-38076 19- 29/ CONFERENCE
SPONSORED BY THE INTERNATIONAL UNION OF PURE AND APPLIED PHYSICS AND THE
HUNGARIAN ACADEMY OF SCIENCES.

(Contract NAS5-3178)

**A70-38117#**

**HIGH ENERGY CHARGED PARTICLE OBSERVATIONS ON OSO 3**

G. D. BADHWAR, M. F. KAPLON, and D. VALENTINE BUDAPEST, AKADEMIAI KIADO,
1970 7 p IN-INTERNATIONAL CONFERENCE ON COSMIC RAYS, 11TH, BUDAPEST,
HUNGARY, AUG. 25-SEP. 4, 1969, PROOCEEDINGS. VOLUME 1 - ORIGIN AND
GALACTIC PHENOMENA. P. 283-289. /A70-38076 19- 29/ CONFERENCE SPONSORED
BY THE INTERNATIONAL UNION OF PURE AND APPLIED PHYSICS AND THE HUNGARIAN
ACADEMY OF SCIENCES.

**A71-33932\***

**CHARGED-PARTICLE OBSERVATIONS FROM OSO 3**

G. D. BADHWAR, M. F. KAPLON, and D. A. VALENTINE JOURNAL OF GEOPHYSICAL
RESEARCH, VOL. 76, P. 4224-4229. 1 Jul. 1971 refs Copyright (Contract
NAS5-3178)

**A74-26766\***

**GAMMA-RAY OBSERVATIONS FROM THE OSO-3 SATELLITE**

G. D. BADHWAR (NASA, Johnson Space Center, Cosmic Ray Group, Houston,
Tex.), M. F. KAPLON (City College, New York, N. Y.), and D. A. VALENTINE
(Rochester, University, Rochester, N. Y.) Astrophysics and Space
Science, vol. 27, Mar. 1974, p. 147-155. refs Copyright (Contract
NAS5-3178)

**A75-10772\***

**RIGIDITY SPECTRUM OF Z GREATER THAN OR EQUAL TO 3**

**COSMIC-RAY NUCLEI IN THE RANGE 4-285 GV AND A SEARCH FOR COSMIC
ANTIMATTER**

R. L. GOLDEN, J. H. ADAMS, JR., T. M. K. MARAR (NASA, Johnson Space
Center, Houston, Tex.), C. L. DENEY (NASA, Johnson Space Center;
Lockheed Electronics Co.k, Inc., Houston, Tex.), H. H. HECKMAN, and P.
J. LINDSTROM (California, University, Berkeley, Calif.) Astrophysical
Journal, vol. 192, Sept. 15, 1974, pt. 1,

p\. 747-751. refs Copyright

**A76-15053\*** Lockheed Electronics C., Houston, TX.

**COSMIC RAY ANTIPROTON AND POSITRON PRODUCTION IN THE INTERSTELLAR
MEDIUM**

G. D. BADHWAR, R. L. GOLDEN (NASA, Johnson Space Center, Houston, Tex.),
M. L. BROWN (NASA, Johnson Space Center; Lockheed Electronics Co., Inc.,
Houston, Tex.), and J. L. LACY (NASA, Johnson Space Center; Houston,
University, Houston, Tex.) Astrophysics and Space Science, vol. 37, Oct.
1975, p. 283-300. refs Copyright

**A76-18274\*** National Aeronautics and Space Administration.

Lyndon B. Johnson Space Center, Houston, TX.

**KINEMATICAL CONSTRAINSTS ON THE OBSERVATION OF SLOW MONOPOLES AT THE
TOP OF THE ATMOSPHERE**

G. D. BADHWAR, R. L. GOLDEN, J. L. LACY, T. CLEGHORN (NASA, Johnson
Space Center, Houston, Tex.), and S. A. STEPHENS Physical Review
Letters, vol. 36, Jan. 19, 1976, p. 120-123. refs Copyright

**A76-26883\*#** National Aeronautics and Space Administration.

Lyndon B. Johnson Space Center, Houston, TX.

**HYDROSTATIC EQUILIBRIUM OF THE GASEOUS DISK OF THE GALAXY AND THE
EXTENT OF COSMIC RAY CONFINEMENT**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.) and S. A.
STEPHENS In: International Cosmic Ray Conference, 14th, Munich, West
Germany, August 15-29, 1975, Conference Papers. Volume 2. Munich,
Max-Planck-Institut fuer extraterrestrische Physik, 1975, p. 672-677.

**A76-26947\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**A DETERMINATION OF THE SEA LEVEL MUON SPECTRUM USING ACCELERATOR DATA
AND SOME IMPLICATIONS**

G. D. BADHWAR, R. L. GOLDEN (NASA, Johnson Space Center, Houston, Tex.),
and S. A. STEPHENS In: International Cosmic Ray Conference, 14th,
Munich, West Germany, August 15-29, 1975, Conference Papers. Volume 6.
Munich, Max-Planck-Institut fuer extraterrestrische Physik, 1975, p.
2077-2081. refs

**A76-26964\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**AN EXPERIMENT TO MEASURE COSMIC RAY 2H AND 3HE IN THE 4-10 GV RANGE**

G. D. BADHWAR, R. L. GOLDEN (NASA, Johnson Space Center, Houston, Tex.),
and S. A. STEPHENS In: International Cosmic Ray Conference, 14th,
Munich, West Germany, August 15-29, 1975, Conference Papers. Volume 9.
Munich, Max-Planck-Institut fuer extraterrestrische Physik, 1975, p.
3183-3187. refs

**A76-26983\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**ENERGETICS OF MONOPOLE PRODUCTION**

G. D. BADHWAR, R. L. GOLDNE, J. L. LACY (NASA, Johnson Space Center,
Houston, Tex.), and S.A. STEPHENS In: International Cosmic Ray
Conference, 14th, Munich, West Germany, August 15-29, 1975, Conference
Papers. Volume 12. Munich, Max-Planck-Institut fuer extraterrestrische
Physik, 1975, p. 4068-4071.

**A77-22131\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**COSMIC-RAY ELECTRONS AND GALACTIC RADIO EMISSION - A CONFLICT**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.), R. R. DANIEL,
and S. A. STEPHENS Nature, vol. 265, Feb. 3, 1977, p. 424-426. refs
Copyright

**A77-26138\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**HYDROSTATIC EQUILIBRIUM OF GAS, EXTENT OF COSMIC RAY CONFINEMENT, AND
RADIO EMISSION IN THE GALAXY**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.) and S. A.
STEPHENS Astrophysical Journal, Part 1, vol. 212, mar. 1, 1977, p.
494-506. refs Copyright

**A77-26175\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**ANALYTIC REPRESENTATION OF THE PROTON-PROTON AND PROTON-NUCLEUS
CROSS-SECTIONS AND ITS APPLICATION TO THE SEA-LEVEL SPECTRUM AND CHARGE
RATIO OF MUONS**

G. D. BADHWAR, R. L. GOLDEN (NASA, Johnson Space Center, Houston, Tex.),
and S. A. STEPHENS Physical Review D - Particles and Fields, 3rd Series,
vol. 15, Feb. 1, 1977, p. 820-831. Research supported by the National
Research Council and NASA. refs Copyright

**A77-42122\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**RADIO-EMITTING ELECTRONS AND COSMIC RAY CONFINEMENT**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.), R. R. DANIEL,
and S. A. STEPHENS Astrophysics and Space Science, vol. 49, no. 1, June
1977, p. 133-143. refs Copyright

**A78-13739\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**THE COSMIC-RAY ANTIPROTON FLUX - AN UPPER LIMIT NEAR THAT PREDICTED
FOR SECONDARY PRODUCTION**

G. D. BADHWAR, T. CLEGHORN, R. L. GOLDEN, J. L. LACY, J. E. ZIPSE (NASA,
Johnson Space Center, Space Physics Branch, Houston, Tex.), R. R.
DANIEL, and S. A. STEPHENS Astrophysical Journal, Part 2 - Letters to
the Editor, vol. 217, Nov. 1, 1977, p. L135-L138. refs Copyright

**A78-43919\*** Tata Inst. of Fundamental Research, Bombay (India).

**RELATIVE ABUNDANCE OF ANTIPROTONS AND ANTIHELIUM IN THE PRIMARY COSMIC
RADIATION**

G. D. BADHWAR, R. L. GOLDEN, J. L. LACY, J. E. ZIPSE (NASA, Johnson
Space Center, Houston, Tex.), R. R. DANIEL, and S. A. STEPHENS (Tata
Institute of Fundamental Research, Bombay, India) Nature, vol. 274, July
13, 1978, p. 137-139. refs Copyright

**A79-37316\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**GAMMA RAY PRODUCTION IN INTERSTELLAR SPACE**

G. D. BADHWAR and S. A. STEPHENS (NASA, Johnson Space Center, Houston,
Tex.) In: International Cosmic Ray Conference, 15th, Plovdiv, Bulgaria,
August 13-26, 1977, Conference Papers. Volume 1. Sofia, B'lgarska
Akademiia na Naukite, 1978, p. 198-202. refs

**A79-37317\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**THE PROTON AND HELIUM RIGIDITY SPECTRA FROM 10 TO 50 GV**

G. D. BADHWAR, T. CLEGHORN, J. L. LACY, J. E. ZIPSE (NASA, Johnson Space
Center, Houston, Tex.), R. R. DANIEL, R. L. GOLDEN, and S. A. STEPHENS
In: International Cosmic Ray Conference, 15th, Plovdiv, Bulgaria, August
13-26, 1977, Conference Papers. Volume 1. Sofia, B'lgarska Akademiia na
Naukite, 1978, p. 204-208. refs

**A79-37338\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**COSMIC ELECTRONS, GALACTIC RADIO BACKGROUND AND COSMIC RAY
CONFINEMENT**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.), R. R. DANIEL,
and S. A. STEPHENS In: International Cosmic Ray Conference, 15th,
Plovdiv, Bulgaria, August 13-26, 1977, Conference Papers. Volume 1.
Sofia, B'lgarska Akademiia na naukite, 1978, p. 392-397. refs

**A79-37339\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**SECONDARY POSITRONS AND ELECTRONS IN THE COSMIC RADIATION**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.) and S. A.
STEPHENS In: International Cosmic Ray Conference, 15th, Plovdiv,
Bulgaria, August 13-26, 1977, Conference Papers. Volume 1. Sofia,
B'lgarska Akademiia na Naukite, 1978, p. 398-403. refs

**A79-37554\*#** National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**MOMENTUM SPECTRA AND CHARGE RATIO OF MUONS AS A FUNCTION OF ZENITH
ANGLES**

G. D. BADHWAR and S. A. STEPHENS (NASA, Johnson Space Center, Houston,
Tex.) In: International Cosmic Ray Conference, 15th, Plovdiv, Bulgaria,
August 13-26, 1977, Conference Papers. Volume 6. Sofia, B'lgarska
Adakemiia na Naukite, 1978, p. 200-204. Research supported by the
Lockheed Electronics Co., National Research Council, and NASA. refs

**A79-44620\*#**

**THE PROTON AND HELIUM RIGIDITY SPECTRA FROM 10 TO 100 GV**

G. D. BADHWAR, R. R. DANIEL, T. CLEGHORN, R. L. GOLDEN, J. L. LACY, J.
E. ZIPSE (NASA, Johnson Space Center, Houston, Tex.), and S. A. STEPHENS
In: International Cosmic Ray Conference, 15th Plovdiv, Bulgaria, August
13-26, 1977, Conference Papers. Volume 11. Sofia, B'lgarska Akademiia na
Naukite, 1978, p. 155-160. refs

**A79-53125\*** New Mexico State Univ., Las Cruces.

**EVIDENCE FOR THE EXISTENCE OF COSMIC-RAY ANTIPROTONS**

R. L. GOLDEN, S. HORAN, B. G. MAUGER (New Mexico State University, Las
Cruces, N. Mex.), G. D. BADHWAR, J. L. LACY, S. A. STEPHENS, R. R.
DANIEL, and J. E. ZIPSE (NASA, Johnson Space Center, Houston, Tex.)
Physical Review Letters, vol. 43, Oct. 15, 1979, p. 1196-1199. refs
Copyright

(Contract NAS9-15560)

**A80-22387\*#** Lockheed Electronics Co., Houston, TX.

**ACCURACY ASSESSMENT IN THE LARGE AREA CROP INVENTORY EXPERIMENT**

A. G. HOUSTON, D. E. PITTS, A. H. FEIVESON, G. BADHWAR, M. FERGUSON
(NASA, Johnson Space Center, Houston, Tex.), E. HSU, J. POTTER, R.
CHHIKARA, M. RADER, C. AHLERS (Lockheed Electronics Co., Houston, Tex.)
et al. In: International Symposium on Remote Sensing of Environment,
13th, Ann Arbor, Mich., april 23-27, 1979, Proceedings. Volume 1. Ann
Arbor, Mich., Environmental Research Institute of Michigan, 1979, p.
127-146. refs Copyright

**A80-27458\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**CROP EMERGENCE DATE DETERMINATION FROM SPECTRAL DATA**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.)

Photogrammetric Engineering and Remote Sensing, vol. 46, Mar. 1980, p.
369-377.

refs Copyright

**A81-12434\*#** New Mexico State Univ., Las Cruces.

**SOLAR MODULATION OF PROTONS AND ALPHA PARTICLES AT RIGIDITIES OF 4-10
GV/C**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.) and R. L.
GOLDEN (New Mexico State University, Las Cruces, N. Mex.) In:
International Cosmic Ray Conference, 16th, Kyoto, Japan, August 6-18,
1979, Conference Papers. Volume 3. Tokyo, University of Tokyo, 1980, p.
249-253. refs

**A81-12529\*#** Houston Univ., TX.

**SOME CHARACTERISTICS OF POWDER SILICA COUNTERS**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.) and L. S.
PINSKY (Houston, University, Houston, Tex.) In: International Cosmic Ray
Conference, 16th, Kyoto, Japan, August 6-18, 1979, Conference Papers.
Volume 11. Tokyo, University of Tokyo, 1980, p. 43-48. refs

**A81-29771\*** Tata Inst. of Fundamental Research, Bombay (India).

**PRODUCTION SPECTRUM OF GAMMA RAYS IN INTERSTELLAR SPACE THROUGH
NEUTRAL PION DECAY**

S. A. STEPHENS (Tata Institute of Fundamental Research, Bombay, India)
and G. D. BADHWAR (NASA, Johnson Space Center, Houston, Tex.)
Astrophysics and Space Science, vol. 76, no. 1, May 1981, p. 213-233.
refs Copyright

**A82-26842\*** Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**USE OF LANDSAT-DERIVED TEMPORAL PROFILES FOR CORN-SOYBEAN FEATURE
EXTRACTION AND CLASSIFICATION**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX), J. G. CARNES,
and W. W. AUSTIN (Lockheed Engineering and Management Services Co.,
Inc., Houston, TX) Remote Sensing of Environment, vol. 12, Mar. 1982, p.
57-79. refs Copyright

**A82-32909\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**FIELD SIZE, LENGTH, AND WIDTH DISTRIBUTIONS BASED ON LACIE GROUND
TRUTH DATA**

D. E. PITTS and G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX)

Remote Sensing of Environment, vol. 10, Nov. 1980, p. 201-213. refs
Copyright

**A84-13068\*** Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**A COMPARISON OF SIMULATED THEMATIC MAPPER DATA AND MULTISPECTRAL
SCANNER DATA FOR KINGSBURY COUNTY, SOUTH DAKOTA**

G. D. BADHWAR, K. E. HENDERSON, D. E. PITTS (NASA, Johnson Space Center,
Houston, TX), W. R. JOHNSON, M. L. SESTAK, T. WOOLFORD, and J. G. CARNES
(Lockheed Engineering and Management Services Co., Inc., Houston, TX)
IN: Machine processing of remotely sensed data: Crop inventory and
monitoring; Proceedings of the Eighth International Symposium, West
Lafayette, IN, July 7-9, 1982. New York, Institute of Electrical and
Electronics Engineers, 1982, p. 140-148. refs Copyright

**A84-13075\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**AN INITIAL MODEL FOR ESTIMATING SOYBEAN DEVELOPMENT STAGES FROM
SPECTRAL DATA**

K. E. HENDERSON and G. D. BADHWAR (NASA, Johnson Space Center, Houston,
TX) IN: Machine processing of remotely sensed data: Crop inventory and
monitoring; Proceedings of the Eighth International Symposium, West
Lafayette, IN, July 7-9, 1982. New York, Institute of Electrical and
Electronics Engineers, 1982, p. 199-205. refs Copyright

**A84-13081\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**A COMPARATIVE STUDY OF THE THEMATIC MAPPER AND LANDSAT SPECTRAL BANDS
FROM FIELD MEASUREMENT DATA**

G. D. BADHWAR and K. E. HENDERSON (NASA, Johnson Space Center, Houston,
TX) IN: Machine processing of remotely sensed data: Crop inventory and
monitoring; Proceedings of the Eighth International Symposium, West
Lafayette, IN, July 7-9, 1982. New York, Institute of Electrical and
Electronics Engineers, 1982, p. 266-272. refs Copyright

**A84-13105\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**PROFILE MODELING FOR CROP DISCRIMINATION**

G.D. BADHWAR (NASA, Johnson Space Center, Houston, TX) IN: Machine
processing of remotely sensed data: Crop inventory and monitoring;
Proceedings of the Eighth International Symposium, West Lafayette, IN,
july 7-9, 1982. New York, Institute of Electrical and Electronics
Engineers, 1982, p. 454-460. refs Copyright

**A84-22385\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**AUTOMATIC CORN-SOYBEAN CLASSIFICATION USING LANDSAT MSS DATA. I -
NEAR-HARVEST CROP PROPORTION ESTIMATION. II - EARLY SEASON CROP
PROPORTION ESTIMATION**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX) Remote Sensing
of Environment (ISSN 0034-4257), vol. 14, Jan. 1984, p. 15-29. refs
Copyright

**A84-33539\*** Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**EVALUATION OF CORN/SOYBEANS SEPARABILITY USING THEMATIC MAPPER AND
THEMATIC MAPPER SIMULATOR DATA**

D. E. PITTS, G. D. BADHWAR, D. R. THOMPSON, K. E. HENDERSON (NASA,
Johnson Space Center, Houston, TX), S. S. SHEN, C. T. SORENSEN, and J.
G. CARNES (Lockheed Engineering and Management Co., Houston, TX) IEEE
Transactions on Geoscience and Remote Sensing (ISSN 0196-2892), vol.
GE-22, May 1984, p. 312-318. refs Copyright

**A84-49140\*#** Lockheed Engineering and management Services Co., Inc.,
Houston, TX.

**AGRICULTURAL APPLICATIONS OF TM DATA**

D. E. PITTS, R. BIZZELL, G. D. BADHWAR, D. THOMPSON, K. HENDERSON (NASA,
Johnson Space Center, Houston, TX), S. SHEN, C. SORENSEN, and J. G.
CARNES (Lockheed Engineering and Management Services Co., Inc., Houston,
TX) IN: Satellite land remote sensing advancements for the eighties;
Proceedings of the Eighth Pecora Symposium, Sioux Falls, SD, October
4-7, 1983. Sioux Fall, SD, Augustana College, 1984, p. 134-146. refs

**A85-12055\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**USE OF LANDSAT-DERIVED PROFILE FEATURES FOR SPRING SMALL-GRAINS
CLASSIFICATION**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX) International
Journal of Remote Sensing (ISSN 0143-1161), vol. 5, Sept.-Oct. 1984, p.
783-797. refs Copyright

**A85-12975\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**CLASSIFICATION OF CORN AND SOYBEANS USING MULTITEMPORAL THEMATIC
MAPPER DATA**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX) Remote Sensing
of Environment (ISSN 0034-4257), vol. 16, Oct. 1984, p. 175-181. refs
Copyright

**A85-23491\*** New Mexico State Univ., Las Cruces.

**A MEASUREMENT OF THE ABSOLUTE FLUX OF COSMIC-RAY ELECTRONS**

R. L. GOLDEN (New Mexico State University, Las Cruces, NM), B. G. MAUGER
(NASA, Goddard Space Flight Center, Greenbelt, MD; New Mexico State
University, Las Cruces, NM), G. D. BADHWAR, R. R. DANIEL (NASA, Johnson
Space Center, Houston, TX), J. L. LACY, S. A. STEPHENS (NASA, Johnson
Space Center, Houston, TX; Tata Institute for Fundamental Studies,
Bombay, India), and J. E. ZIPSE (California Institute of Technology, Jet
Propulsion Laboratory, Pasadena, CA; NASA, Johnson Space Center,
Houston, TX) Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 287,
Dec. 15, 1984, p. 622-632. refs Copyright (Contract NAS9-15660;
NAGW-110)

**A85-30092**\* National Aerospace Lab., Amsterdam (Netherlands).

**COMPARATIVE STUDY OF SUITS AND SAIL CANOPY REFLECTANCE MODELS**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX), W. VERHOEF, and
N. J. J. BUNNIK (Nationaal Lucht- en Ruimtevaartlaboratorium, Amsterdam,
Netherlands) Remote Sensing of Environment (ISSN 0034-4257), vol. 17,
April 1985, p. 179-195. NASA-supported research. refs Copyright

**A85-30093**\* National Aeronautics and Space Administration, Lyndon B.
Johnson Space Center, Houston, TX.

**APPLICATION OF THEMATIC MAPPER DATA TO CORN AND SOYBEAN DEVELOPMENT
STAGE ESTIMATION**

G. D. BADHWAR and K. E. HENDERSON (NASA, Johnson Space Center, Earth
Sciences and Applications Div., Houston, TX) Remote Sensing of
Environment (ISSN 0034-4257), vol. 17, April 1985, p. 197-201. refs
Copyright

**A85-38835**\* Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**TECHNIQUES FOR THE ESTIMATION OF LEAF AREA INDEX USING SPECTRAL DATA**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX) and S. S. SHEN
(Lockheed Engineering and Management SeNices, Co., Inc., Houston, TX)
IN: Machine processing of remotely sensed data: Thematic Mapper data and
geographic information systems; Proceedings of the Tenth International
Symposium, West Lafayette, IN, June 12-14, 1984. New York, Institute of
Electrical and Electronics Engineers, 1984, p. 333-338. NASA-supported
research. refs Copyright

**A85-9113**\*# Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**INCLUSION OF SPECULAR REFLECTANCE IN VEGETATIVE CANOPY MODELS**

E. REYNA (Lockheed Engineering and Management Services Co., Houston, TX)
and G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX) IEEE
Transactions on Geoscience and Remote Sensing (ISSN 0196-2892), vol.
GE-23, Sept. 1985, p. 731-736. NASA-supported research. refs

**A86-17344**\* Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**SEPARABILITY OF BOREAL FOREST SPECIES IN THE LAKE JENNETTE AREA,
MINNESOTA**

S. S. SHEN, J. G. CARNES (Lockheed Engineering and Management Services
Co., Inc., Houston, TX), and G. D. BADHWAR (NASA, Johnson Space Center,
Houston, TX) Photogrammetric Engineering and Remote Sensing (ISSN
0099-1112), vol. 51, Nov. 1985, p. 1775-1783. refs Copyright

**A86-26221**\* National Aeronautics and Space Administration, Lyndon B.
Johnson Space Center, Houston, TX.

**FIELD SIZE DISTRIBUTIONS FOR SELECTED AGRICULTURAL CROPS IN**

**THE UNITED STATES AND CANADA**

M. C. FERGUSON, G. D. BADHWAR, D. E. PITTS (NASA, Johnson Space Center,
Houston, TX), and R. S. CHHIKARA (Houston, University, TX) Remote
Sensing of Environment (ISSN 0034-4257), vol. 19, Feb. 1986, p. 25-45.
refs Copyright

**A86-30194\*** National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX. **SATELLITE-DERIVED LEAF-AREA-INDEX
AND VEGETATION MAPS AS INPUT TO GLOBAL CARBON CYCLE MODELS - A
HIERARCHICAL APPROACH**

G. D. BADHWAR, R. B. MACDONALD (NASA, Johnson Space Center, Houston,
TX), and N. C. MEHTA (MIT, Lexington, MA) International Journal of
Remote Sensing (ISSN 0143-1161), vol. 7, Feb. 1986, p. 265-281. refs
Copyright

**A86-33542**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX. **ESTIMATION OF BIOPHYSICAL
PROPERTIES OF FOREST CANOPIES THROUGH INVERSION OF MICROWAVE
SCATTEROMETER DATA**

D. E. PITIS, G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX),
and E. RAYNA (Lockheed Engineering and Management Services Co., Inc.,
Houston, TX) IN: 1985 International Geoscience and Remote Sensing
Symposium (IGARSS \'85), Amherst, MA, October 7-9, 1985, Digest.
Volume 1. New York, Institute of Electrical and Electronics Engineers,
Inc., 1985, p. 313-320. Copyright

**A86-35677**\* National Aeronautics and Space Administration, Lyndon B.
Johnson Space Center, Houston, TX.

**SPECTRAL CHARACTERIZATION OF BIOPHYSICAL CHARACTERISTICS IN A BOREAL
FOREST - RELATIONSHIP BETWEEN THEMATIC MAPPER BAND REFLECTANCE AND LEAF
AREA INDEX FOR ASPEN**

G. D. BADHWAR, R. B. MACDONALD, F. G. HALL (NASA, Johnson SpaceCenter,
Houston, TX), and J. G. CARNES (Lockheed Engineering and
ManagementServices Co., Houston, TX) (International Geoscience and
Remote SensingSymposium /IGARSS \'84/: From Research toward Operational
Use, Strasbourg,France, Aug. 27-30, 1984) IEEE Transactions on
Geoscience and Remote Sensing(ISSN 0196-2892), vol. GE-24, May 1986, p.
322-326. Previously announced inSTAR as N84-33875. refs Copyright

**A86-36789**\* Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**AN INFORMATION MEASURE FOR CLASS DISCRIMINATION**

S. S. SHEN (Lockheed Engineering and Management Services Co., Inc.,
Houston,TX) and G. D. BADHWAR (NASA, Johnson Space Center, Houston,
TX)International Journal of Remote Sensing (ISSN 0143-1161), vol. 7,
April 1986, p.547-556. refs Copyright

**A87-31414**\*# National Aeronautics and Space Administration. Goddard
Space Flight Center, Greenbelt, MD.

**SIGNATURE-EXTENDABLE TECHNOLOGY- GLOBAL SPACE-BASED CROP RECOGNITION**

FORREST G. HALL (NASA, Goddard Space Flight Center, Greenbelt, MD) and
GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston, TX) IEEE
Transactions on Geoscience and Remote Sensing a SSN 0196-2892), vol.
GE-25, Jan. 1987, p. 93-103. refs

**A87-32098**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX. **LANDSAT CLASSIFICATION OF ARGENTINA
SUMMER CROPS**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX), C. E.
GARGANTINI, and F. V. REDONDO (Comision Nacional de Investigaciones
Espaciales, Centro de Sensores Remotes, Buenos Aires, Argentina) Remote
Sensing of Environment aSSN 0034-4257), vol. 21, Feb. 1987, p. 111-117.
refs Copyright

**A87-53277**\* National Aeronautics and Space Administration, Lyndon B.
Johnson Space Center, Houston, TX.

**ESTIMATION OF X-BAND SCATTERING PROPERTIES OF TREE COMPONENTS**

D. E. PITTS, G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX), E.
REYNA aLockheed Engineering and Management Services Co., Inc., Houston,
TX), R. ZOUGHI, L. K. WU (University of Kansas Center for Research,
Lawrence) et al. IN: IGARSS \'87 - International Geoscience and Remote
Sensing Symposium, Ann

Arbor, MI, May 18-21, 1987, Digest. Volume 2. New York, Institute of
Electrical and Electronics Engineers, Inc., 1987, p. 1493-1498. re&
Copyright

**A88-24422**\* New Mexico State Univ., Las Cruces.

**OBSERVATION OF COSMIC RAY POSITRONS IN THE REGION FROM 5 TO 50 GEV**

R. L. GOLDEN, B. G. MAUGER, S. HORAN (New Mexico State University, Las
Cruces), S. A. STEPHENS, R. R. DANIEL (Tata Institute for Fundamental
Research, Bombay, India), G. D. BADHWAR, J. L. LACY, and J. E. ZIPSE
(NASA, Johnson Space Center, Houston, TX) Astronomy and Astrophysics
(ISSN 0004-6361), vol. 188, no. 1, Dec. 1987, p. 145-154. Research
supported by the Lockheed Electronics Corp. refs Copyright

(Contract NAS9-15660; NAGW-110

**A88-27809**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**ESTIMATION OF BIOPHYSICAL PROPERTIES OF FOREST CANOPIES SING C-BAND
MICROWAVE DATA**

DAVID E. PITTS, GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston,
TX), and E. REYNA (Lockheed Engineering and Management Services Co.,
Inc., Houston, TX) (COSPAR, WMO, URSI, et al., Plenary Meeting, 26th,
Symposium 3, Workshop V, and Topical Meeting A2 on Remote Sensing from
Space, Toulouse, France, June 30-July 11, 1986) Advances in Space
Research (ISSN 0273-1177), vol. 7, no. 11, 1987, p. 89-95. refs
Copyright

**A88-28682**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**THE USE OF A HELICOPTER MOUNTED RANGING SCATTEROMETER FOR ESTIMATION
OF EXTINCTION AND BACKSCATTERING PROPERTIES OF FOREST CANOPIES-I:
EXPERIMENTAL APPROACH AND CALIBRATION**

DAVID E. PITTS, GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston,
TX), EDDIE REYNA (Lockheed Engineering and Management Services Co.,
Inc., Houston, TX), FAWWAZ T. ULABY (Michigan, University, Ann Arbor),
and DAVID R. BRUNFELDT (Applied Microwave Corp., Lawrence, KS) IEEE
Transactions on Geoscience and Remote Sensing (ISSN 0196-2892), vol. 26,
March 1988, p. 140-143. refs Copyright

**A88-28683**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**THE USE OF A HELICOPTER MOUNTED RANGING SCATTEROMETER FOR ESTIMATION
OF EXTINCTION AND SCATTERING PROPERTIES OF FOREST CANOPIES-II:
EXPERIMENTAL RESULTS FOR HIGH-DENSITY ASPEN**

DAVID E. PITTS, GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston,
TX), and EDDIE REYNA (Lockheed Engineering and Management Services Co.,
Inc., Houston, TX) IEEE Transactions on Geoscience and Remote Sensing
(ISSN 0196-2892), vol. 26, March 1988, p. 144-152. refs Copyright

**A88-55437**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**DETERMINATION OF THE AREA AND MASS DISTRIBUTION OF ORBITAL DEBRIS
FRAGMENTS**

G. D. BADHWAR (NASA, Johnson Space Center, Houston, TX) and P. D.
ANZ-MEADOR (Lockheed Engineering and Management Services Co., Inc.,
Houston, TX) IAF, International Astronautical Congress, 39th, Bangalore,
India, Oct. 8-15, 1988. 11 p. refs

\[AF PAPER 88-521)

**A89-24246**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**CHARACTERISTICS OF SATELLITE BREAKUPS FROM RADAR CROSS SECTION AND
PLANE CHANGE ANGLE**

GAUTAM D. BADHWAR, ANDREW E. POTTER (NASA, Johnson Space Center,

Houston, TX), PHILIP D. ANZ-MEADOR, and ROBERT C. REYNOLDS

(Lockheed Engineering and Sciences Co., Houston, TX) Journal of
Spacecraft and

Rockets (ISSN 0022-4650), vol. 25, Nov.-Dec. 1988, p. 420-426. refs
Copyright

**A89-50526**\* National Aeronautics and Space Administration.

Lyndon B. Johnson Space Center, Houston, TX.

**DETERMINATION OF THE AREA AND MASS DISTRIBUTION OF ORBITAL DEBRIS
FRAGMENTS**

GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston, TX) and PHILLIP
D. ANZ-MEADOR (Lockheed Engineering and Sciences Co., Houston, TX)
Earth, Moon, and Planets (ISSN 0167-9295), vol. 45, April 1989, p.
29-51. re& Copyright

**A90-32044**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX. **RELATIONSHIP OF RADAR CROSS
SECTION TO THE GEOMETRIC SIZE OF ORBITAL DEBRIS** GAUTAM D. BADHWAR
(NASA, Johnson Space Center, Houston, TX) and PHILLIP D. ANZ-MEADOR
(Lockheed Engineering and Sciences Co., Houston, TX) AIAA, NASA, and
DOD, Orbital Debris Conference: Technical Issues and Future Directions,
Baltimore, MD, Apr. 16-19, 1990. 4 p. Copyright (AIAA PAPER 90- 1347)

**A90-32053**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**ON-ORBIT BREAKUP CHARACTERISTICS**

GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston, TX) and PHILLIP
D. ANZ-MEADOR (Lockheed Engineering and Sciences Co., Houston, TX) AIAA,
NASA, and DOD, Orbital Debris Conference: Technical Issues and Future
Directions, Baltimore, MD, Apr. 16-19, 1990. 11 p. refs Copyright (AIAA
PAPER 90-1359)

**A90-36193**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**VELOCITY PERTURBATION DISTRIBUTIONS IN THE BREAKUP OF ARTIFICIAL
SATELLITES**

GAUTAM D. BADHWAR, ARJUN TAN (NASA, Johnson Space Center, Houston, TX),
and ROBERT C. REYNOLDS (Lockheed Engineering and Sciences Co., Houston,
TX) Journal of Spacecraft and Rockets (ISSN 00224650), vol. 27, May-June
1990, p. 299-305. refs Copyright

**A90-36202**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**CONVERSION OF OMNIDIRECTIONAL PROTON FLUXES INTO A PITCH**

**ANGLE DISTRIBUTION**

GAUTAM D. BADHWAR and ANDREI KONRADI (NASA, Johnson Space Center,
Houston, TX) Journal of Spacecraft and Rockets (ISSN 0022-4650), vol.
27, May-June 1990, p. 350-352. refs Copyright

**A90-48541**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**MASS ESTIMATION IN THE BREAKUPS OF SOVIET SATELLITES**

GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston, TX) and PHILLIP
D. ANZ-MEADOR (Lockheed Engineering and Sciences Co., Houston, TX)
British Interplanetary Society, Journal (ISSN 0007-084X), vol. 43, Sept.
1990, p. 403-410. refs Copyright

**A91-10404**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX. **EXOSPHERIC TEMPERATURES DURING
SOLAR CYCLE 22**

GAUTAM D. BADHWAR (NASA, Johnson Space Center, Houston, TX) Journal of
the Astronautical Sciences (ISSN 0021-9142), vol. 38, July-Sept. 1990,
p. 369-375. refs

A92-12056\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX. **COMPOSITION OF SOLAR FLARE NOBLE
GASES PRESERVED IN METEORITE PARENT BODY REGOLITH**

M. N. RAO, D. H. GARRISON, D. D. BOGARD, G. BADHWAR, and A. V. MURALI
(NASA, Johnson Space Center, Houston, TX) Journal of Geophysical
Research (ISSN 0148-0227), vol. 96, Nov. 1, 1991, p. 19,321-19,330.
Research supported by U.S. National Research Council. refs Copyright

**A92-20900**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX. **RADIATION ISSUES FOR PILOTED MARS
MISSION**

GAUTAM D. BADHWAR, D. S. NACHTWEY (NASA, Johnson Space Center, Houston,
TX), and TRACY C. YANG (Lawrence Berkeley Laboratory, Berkeley, CA)
(Life sciences and space research XXIVl21 - Radiation biology;
Proceedings of the Topical Meeting of the Interdisciplinary Scientific
Commission F /Meetings F3, F4, F5, F6 and F1/ of tbe COSPAR 28th Plenary
Meeting, The Hague, Netherlands, June 25-July 6, 1990. A92-20879 07-51)
Advances in Space Research (ISSN 0273-1177), vol. 12, no. 2-3, 1992, p.
195-200. refs Copyright

**A92-38135**\* National Aeronautics and Space Administration. Lyndon B.
Johnson Space Center, Houston, TX.

**ACTIVE DOSIMETRIC MEASUREMENTS ON SHUTTLE FLIGHTS**

GAUTAM D. BADHWAR, ANDREI KONRADI, ALVA HARDY (NASA, Johnson Space
Center, Houston, TX), and LESLIE A. BRABY (Battelle Pacific Northwest
Laboratories, Richland, WA) International Journal of Radiation
Applications and Instrumentation, Part D: Nuclear Tracks and Radiation
Measurements (ISSN

0735-245X), vol. 20, no. 1, Jan. 1992, p. 13-20. refs Copyright

**N64-30957#** Rochester Univ., NY.

**ISOTOPIC COMPOSITION OF LOW ENERGY HYDROGEN NUCLEI IN THE PRIMARY
COSMIC RADIATION**

G. D. BADHWAR 8 Jul. 1964 17 p (Contract AF-AFOSR439\~3) (URPA45;
AD-604098) WORLD SPACE CONGRESS I992 .

**N65-15218**\*# Rochester Univ., NY.

**THE ENERGY DEPENDENCE OF lHt; ABUNDANCE OF LITHIUM, BERYLLIUM, AND
BORON IN THE PRIMARY COSMIC RADIATION OBSERVATIONS AT FORT CHURCHILL**

G. D. BADHWAR, S. N. DEVANATHAN, and M. F. KAPLON 13 Oct. 1964

(Contract AF-AFOSR439-63)

(NASA-CR-60249; URPA-58)

**N68-33779** Rochester Univ., NY.

**A STUDY OF THE ISOTOPIC COMPOSITION OF LOW-ENERGY HYDROGEN AND HELIUM
NUCLEI IN THE PRIMARY COSMIC RADIATION**

G. D. BADHWAR 1967 175 pAVAILABLE FROM UNIV. MICROFILMS- HC

**N80-15472**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX. **ACCURACY ASSESSMENT SYSTEM AND
OPERATION**

D. E. PITTS, A. G. HOUSTON, G. BADHWAR, M. J. BENDER, M. L. RADER
(Lockheed Electronics Co., Houston, Tex.), W. G. EPPLER (Lockheed
Missiles and Space Co., Palo Alto, Calif.), C. W. AHLERS (Lockheed
Electronics Co., Houston, Tex.), W. P. WHITE (Lockheed Electronics Co.,
Houston, Tex.), R. R. VELA, and E. M. HSU, Principal Investigators
(Lockheed Electronics Co., Houston, Tex.) In its Proc. of Tech.
Sessions, Vol. 1 and 2 p 265-288 Jul. 1979 refs Original contains
imagery. Original photography may be purchased from the EROS Data
Center, Sioux Falls, S. D. 57198 ERTS Avail: NTIS HC A99/MF E12 CSCL 02C

**N81-33549**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**A COMPARATIVE STUDY OF THE THEMATIC MAPPER AND LANDSAT SPECTRAL BANDS
FROM FIELD MEASUREMENT DATA**

G. D. BADHWAR and K. E. HENDERSON, Principal Investigators Mar. 1981 21
p refs Sponsored by NASA, USDA, Dept. of Commerce, Dept. of the
Interior, and Agency for International Development ERTS (Contract PROJ.
AGRISTARS) (E81-10165; NASA-TM-84032; SR-J0-04029; JSC-16849) Avail:
NTIS HC A03/MF A01 CSCL 02C

**N83-34400**\*# Lockheed Engineering and Management Services Co., Inc.,
Houston, TX.

**ARGENTINA SPECTRAL-AGRONOMIC MULTITEMPORAL DATA SET**

D. HELMER, C. KINZLER, M. A. TOMPPKINS, and G. D. BADHWAR Jun. 1983 46 p
refs Sponsored by NASA, USDA, Dept. of Commerce, Dept. of the Interior,
and Agency for International Development Prepared in cooperation with
NASA. Johnson Space Center ERTS (Contract NAS9-15800; PROJ. AGRISTARS)

(E83-10407; NASA-CR-171683; SR-L3-04426; JSC-18884; NAS 1.26:171683;
LEMSC0-19539) Avail: NTIS HC A03/MF A01 CSCL 02C

**N84-21936**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**A STUDY OF THE RELATION BETWEEN CROP GROWTH AND SPECTRA**

**REFLECTANCE PARAMETERS Abstract Only**

G. BADHWAR In NASA Goddard Space Flight Center Fundamental Remote

Sensing Sci. Res. Program, Part 1 p 35 Mar. 1984 Avail: NTIS HC A12/MF
A02 CSCL 20F

**N84-21949**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**A STUDY OF THE RELATION BETWEEN CROP GROWTH AND SPECTRA**

**REFLECTANCE PARAMETERS**

G. BADHWAR In NASA Goddard Space Flight Center Fundamental Remote
Sensing Sci. Res. Program, Part 1 p 96-105 Mar. 1984 Avail: NTIS HC
A12/MF A02 CSCL 20F

**N84-33875**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX. Earth Science and Applications
Div.

**SPECTRAL CHARACTERIZATION OF BIOPHYSICAL CHARACTERISTICS IN A BOREAL
FOREST: RELATIONSHIP BETWEEN THEMATIC MAPPER BAND REFLECTANCE AND LEAF
AREA INDEX FOR ASPEN**

G. BADHWAR, R. B. MACDONALD, F. G. HALL, and J. G. CARNES In ESA IGARSS
84. Remote Sensing: From Res. Towards Operational Use, Vol. 1 p 111-115
Aug. 1984 refs Avail: NTIS HC A24/MF A01 CSCL 05B

**N85-34007**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX.

**ABSOLUTE RIGIDITY SPECTRUM OF PROTONS AND HELIUM NUCLEI**

**ABOVE 10 GV/C**

R. L. GOLDEN (New Mexico State Univ.), S. HORAN (New Mexico State
Univ.), B. KIMBELL (New Mexico State Univ.), G. D. BADHWAR, J. L. LACY,
J. E. ZIPSE, R. R. DANIEL (Tata Inst. of Fundamental Research, Bombay),
and S. A. STEPHENS (Tata Inst. of Fundamental Research, Bombay) In NASA.
Goddard

Space Flight Center l9th Intern. Cosmic Ray Conf., Vol. 2 p 1-3 Aug.
1985 refs (OG-4.1-1) Avail: NTIS HC A19/MF A01

**N85-34104**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX**. OBSERVATION OF COSMIC RAY
POSITRONS FROM 5 TO 25 GEV**

R. L. GOLDEN (New Mexico State Univ., Las Cruces), B. G. MAUGER (New
Mexico State Univ., Las Cruces), S. HORAN (New Mexico State Univ., Las
Cruces), G. D. BADHWAR, J. L. LACY, J. E. ZIPSE, R. R. DANIEL (Tata
Inst. for Fundamental Research, Bombay), and S. A. STEPHENS (Tata Inst.
for Fundamental Research, Bombay) In NASA. Goddard Space Flight Center
l9th Intern. Cosmic Ray Conf., Vol. 2 p 374-377 Aug. 1985 refs
(OG\~.2-5) Avail: NTIS HC A19/MF A01 CSCL 03B

**N86-13800**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX. **CROP CHARACTERISTICS RESEARCH:
GROWTH AND REFLECTANCE ANALYSIS**

G. D. BADHWAR, Principal Investigator In NASA. Goddard Space Flight
Center Fundamental Remote Sensing Sci. Res. Program p 72-78 Sep. 1985
ERTS Avail: NTIS HC A09/MF A02 CSCL 02C

**N89-18712**\*# National Aeronautics and Space Administration. Lyndon
B. Johnson Space Center, Houston, TX. **COMPARISON OF MEASURED C-BAND
SCATTERING COEFFICIENTS WITH MODEL PREDICTIONS AS A FUNCTION OF LEAF
AREA INDEX AND BIOMASS**

D. E. PITTS, G. D. BADHWAR, and A. H. FEIVESON In ESA, Proceedings of
the 1988 International Geoscience and Remote Sensing Symposium (IGARSS)
\'88 on Remote Sensing: Moving Towards the 21st Century, Volume 3 p
1271-1275 Aug. 1988 Copyright Avail: NTIS HC A99/MF A04; ESA
Publications Div., ESTEC, Noordwijk, Netherlands