ICRLAR -13 Docenbor 1956

SUCJECT: qeoWaysical Information

TO: Genoral Electric Company-

=cane& Ordnance SWAN= rep:crime:a

Aerop!waics Lahoretory GRADED AT 3 YEAR INIEIMMUJA

Lr. D. Vachon EflIASSIFIFJ) Ar,E6 MARS.

3198 Chestnut Street

Pidladelpita 14, Pennaavania WM) as 5200X)

Reform* your recent telephone canveroationvit:: :aj e :Ulm, the Ito= listed ter Inclosuros arc farm: ad

!arruithfor your utilization and re:x.7:4m (Ltel)

In uain: :ton 1, ;mu sL3uld keep in nines that the room-

....tmertiono pravidod are tentativo rim, areas and the zot Lc acted upon vit`gwat furnor analytic. Amain pot.:t ........C 4-cated in the =Li= of 17. (Una)

3. "..1.th re,ard to your rcz.aoat for, i duplicate tot of the :rind coluidiase providce.

:mica Va.

in April 3:755 (t• Air IFcathar ow;!II:r. U. SianemLl=o of ". 7C C), it is that :fait !ailAi..!.! to dotemina ttothor you need all of V.-a

card: invulvod (catimated at about 10,000) for roar 

Mere a can. calcala- ppears to bo scr.:m quoation to to bou trpical tucee

aor..an.;:s are of the areas they reprocect, anC also ea to thoir

valac at M.ch levels became of the liaited =her of °bac:mations

that extend to altitudes of interest. (Tincl)

L. For your Info:mations these poundinza rare taken bormen 1955 and 2955 at the fClloainc locations:

Portland, Orogan

Solfriezc APB, rich: nn

0:if:Lao APL, :Ia.

Weather Borman Stations: Croat rails, %ante=

Uhahincton

Toro provided to facilitate szled drift ctrtputationa for tuo (2) -....ale tareat areas (45°V, 1.:5°2. and 55°U,.3 Since Ugh alti- tuCo salad soundings nit avg4 et aroac, it

MITIAR ct

Xaj Malice 1555

AP Stations:
MI

vas decided to use date for onaleaeusAind mins areas ex= GZ-1 radar cftervin: eculment MIS located. Its, 2; "lizh Altit-3do t.ind Comparicens", use prepared V AFCRC from "q?por Linde Cver the Lbrld" by soots of al end indicates the teat enelozons areas. n'te celmest area of the U. E. the Vorthuonts :!es a rine:field Isith =arl7 the cane :Acme stren„,t4 and deviations as the windiest tercet. arena

W:4 /45°A. Censequontly, both avere:e drift end tbe to the CP than areas:-,e drift is considered in cirdnz, chould closely represent the target error and its disftlbetion.....1.vorere tind field strength analogous to the 594 35°E tarzet. eras. cannot :sr found in the D. S. A. Dormers the dictrihntion ef vnetxr earLations around the 13.1= vector very eless.17 apprazi=tes such dariaticaz over the seat Lakes area" (extract from "Deport an Activities of r.ad •

Technical Information Provided I? AZCRC geophysical Consultant" dated h March 1955). 1(4Annms10-

5. The sot:rested visit woad also enable you to dice= rersiro- monis:yen probably have for additional ricepirmics data (that have already boon provided tp Nr; Sicsenrine), end to coordinate Id::: N.41. pereemel on the accamptions, cerrelations, etc. that aro necenz.n:- in connection with utilisation :If errnple, we under:--_-. that in yea rind gift calosietioccnm raiz= vane cc n ap % oeed to to ulna of O. generally used; yonr reasons for this cro not rxtercat to the =alrcts and should be dicoucced with them. 4enC&ifettAWL-}

9 Inas:

1. tu=ary of Infer-2tiono

GeeNtrd.c.s1 lt.scussiens

td.th AFCRC Consultants

cL --su(Aurc), 5-9 Nov 56.

exr: Da=

Li Colonel, MC

lamonent Group

Wales and Graphs (.lotrie) of the ARM Model Atmosphere, 1956. (rte14-14rbr.ry Edition).

Abbreviated Lk-Ash Tables of ADM Kodel Atmosphere, 1956.

h. debumanestent of Committee on Extension to the Etnnderd Atmecpacru.

ohs Synthetic Wind tpe,,d Profiles for the Calneet Aron of ..;%* U.S.

ecaphs Synthetic Wind Speed Profiles for the tindiest of the u.r.

7. Graph, Derived Telpersture vs OecuattisAltitudo.

a. Cleaphs'Atmeepheric lands notroen 30 ? Co Ems Cams Signal Corpe coundinze end paper by ;I.C. Strand in Journal of Geoptosical nesearch).

9. Altitcde Lind Ca s' Potential Target Areas and Analogous

'F •

rzeir

SSA v!.i.

I' PI