... _ ... .. _,,. .... ). ~ ... 

••• 

DEPARTMENT OF THE ARMY 

HEADQUARTERS ARMY SECURITY AGENCY 

WASHINGTON 25~ Do Co 

SUBJEOT1 Minutes of Army Security Agency Technical Committee Meeting Boo 5 

Interested Members, Army Security Agency Technical Committee a~ 

Other Interested A~encies 

lo A meeting of the Army Seourlty Agency Technical Committee was 

held 10 June 1949, Room 117, Headquarters Building, Arlington Hall Station0 

Attendance was as followsa 

Chairman 

Secretary 

Uembera and Alternates Present 

DEPARTPlENT OF TRE ARllY 

· GENERAL STAFF,, UNITED STATES ARMY 

Research and Development Group 

ARMY SECURITY AGENCY 

Office Special Assnt to Ohiet 

Materiel Section 

Research and Development Division 

Security Division 

ARMY FIELD FORCES 

Development Section 

. SIGNAL CORPS 

Plane and Operations Division 

Engineering and Technical Division 

DEPART?r.ENT OF THE AIR FORCE 

Headquarters" United States Air Force 

Observers Present 

DEPARTJIENT OF THE AlUIY 

ARMY SECURITY AGENCY 

Research and Development Division 

Lt Colonel Charles Ho Hiser 

1st Lto Mac C. Eversole 

Lt Col Co Fo Bbok0 Member 

llro Vvo Fo Friedman0 Member 

Major Ao Vo Whitehead,· Member 

Dra So iullbackg Member 

Dro Ao S1nkov9 Member. 

Col Wo Jo Klepinger0 Alternate 

Capt Ro Ho Kiley9 Alternate 

Mro Oo Io Lewis 0 Alternate 

Major John Eo Morrison8 Jr;·e. 

Member 

Mro Co Co Wri~ht 

Mro Ro Co Barlow 

SECRET . Declassified and approved for release by NSA on 08-06-2013 pursuantto E .0. 1352a 
..

- - - - - - -

Security Division 

Operations _Division 

Mro David ·wolfand 

Mro Eo Dale Marstm 

DEPARTMENT OF THE AIR FORCE 

Headquarters United States Air' Force Capt Co E. llelohar 

Members Absent and Concurring 

DEPARTMENT OF THE ARMY 

ARMY FIELD FORGES 

Development Seotion 

Signal Section 

Col Dana G9 llcBri~ 

Lt Col So So Hotr 

2o The Subaommittee Reports listed below were recommended for 

approval by the Army Se0t1rity At,ency Technical Committeeo Recommendations contained 1n these reports have been a9proved for the Chief 0 Army 

Security Agency by the Chairman, Anny Security Agency Technical Committee 

and tor the Secretary of the Army by a designated representative or the 

Director of Logistics, General Staff, United States Armyo The Signal 

Corps representatives concurred with the provision that the Military 

Characteristics be, forwarded to the Joint Communication Electronics 

Oommitteeo S~ch action is taken on all Y.ilitary Characteristics of this 

na.,.ure as prescribed by Depari:ment of the Anny Memorandum. 105-15""5, dated 

22 September 19480 · 

Item 

30 

31 . 

Subject 

Adoption o£ Military Characteristics 

tor an A·irborne Ciphony Equipment0 

ASAYo8 

' Adoption of Kilitary Characteristic• 

for a Medium High Echelon Ciphonr 

Equipment 9 ASAY=6 

Action 

Approval of 

)[ilp.tary 

Cha'.rao.teristics 

Approval of 

Military 

Characteristics 

.'' 

So The Subcommittee Report listed below was recommended tor approvalo 

The reoommendationa were concurred in by all members present with the ex..,. 

caption of the General Staff rep~esentative who witheld approval since the 

project is to fulfill an Air Fo~ce requirement and questioned the advis~ 

ability ot initiating this project with a 1=8 priority before it was deQ 

finitely established whether funds for the project would be furnished 

by the Ann.y or Air Forceo · 

lter" 

29 

Subje.91, 

Aircraft ~ovement Communication 

Seourity Equipment,. ASili-15 

2 

SECRET 

Action 

Initiation of 

Project and 

approval or 

Nilitary Gharacta 

eris tics 
4o The .followin~ Memorandum for the ·Record of the ArJl\V Security 

Agency Technical Committee was approved for inclusion in ~e records of 

the oononi ttee s 

Item 

82 

Subject 

Project Title Change 

~. There being no .further business to come before the Committee 

it adjourned to meet at the oall of the Ohairmano 

//Jze 

MAO C. EVBRS>LE 

e. ~~ 

lst Lt •• Signal Corpe 

Secretary. ASATC 

7 Inola 

lo Suboom Rpt f29 

2 o D/F 1'orwardin'!; Rpt 

-/129 to CSGLD 

So Subcom Rpt !/-SO 

4o Ltr Appr Rpt #SO 

&,, Subcom Rpt f/-S1 

6c Ltr Appr Rpt fSl 

To Memo for Rooord8 Item #32 

3 

cf~ cu QI_:.. - OHARLICS {. lil£--._... 

Lto Colonel, Signal Corpe 

Ohairman9 ASATC 

SECRET 
ITEM NOo 29 

DEPARTMENT' OF THE ARMY 

HEADQUARTERS ARMY SECURITY A'1ENCY 

WASHINGTON 259 Do Co 

RECORD COPY 

10 June 49 

SUBCOMMirTEE REPORT FOR THE ARJ.~Y SECURITY AGENCY TECHNICAL 00:.&ITTEE 

SUBJECT: Aircraft Movement Communication Security Equipment 0 ASAM 15 

' Letter to War Department 9 General Staff 0 Research and Development 

Division0 from Chief 9 Research and Engineering Division AC/AS=40 Subjects 

Uilitary Charac~eriatica .for Communication Security Equipment 9 dated 30 

September 19460 with lndorsement from War Department 9 General Staff 9 Re~ 

search and Develoi)ment Divisiqn0 to Chief 0 Army Security Agency9 through 

the Director of Intelli~enceo 

20 DISCUSSIOBs 

ao Agenoiee concerned!_ 

(l) Cognizant agenoys Army Security Agency 

(2) Directing agency: Army Security Agency 

(3) Requeatin~ agenoyt Uo So Air Force 

(4) Participating agency; None 

(5) Coordinating agency: SigC0 AFF0 USAF 

(6) Other probable interested agencies: UoSo Navy 

bo Purposes 

There is a military requirement for a compact cryptocaquipment 0 

the operational characteristics of which will permit encipherment and de= 

cipherment of messages. particularly aircraft movement messa~es, faster than 

with equipment now availableo 

Oo Descriptions 

The ASAM 15 will be an on~line automatically synchronized 

teletype encipherment=deciphermant equipment 9 with the automatic and imper""' 

ceptible inaertion of random teli.t between messageso 

SECRET 
d.o Related Uaterial1 Noneo 

eo Development History and Statues 

Researoh and study has been accomplished under DA Projeot Boo 

1=29-40-0019 "Preliminary.Development 0£ Cipher Machine Componentso" 

ff· .Proposed Development: ~ 

(1) It is proposed to'develop ten (10) service test models 

for test by the USA.Po 

(2) The estimated total cost is one million five hundred 

thousand dollars ($10 5000 000000)0 FY 50 ° 83000 0009 FY 51 Q l500~000o 

FY 52 q 17000 0000 . 

. (3) It is anticipated that development will be initiated 

FY 1950 and user tests oompleted FY 19530 

go Security Clasa'itication: 

The equipment while under development will be classified 

SECRETo Oryptc:?: cl9arance will be required by the contraetor tor development of the cryptOocompo:nentso 

So REOOl9MEIDA'l'IOBS1 

&o Adoption ot military characteristics for the ASAM 15 as sh~wn 

in Ealibit "A"o 

Bstab~ishment or Department of the Army Project .g.1 ... 29cm41-007 D I 

Co Aasi~nment of a lQB priority to Proj~ct #l 0 29co41·097'whioh 

is justified by the concepts of par 3a0 SR 70~ 20°10 I 

I 

I 

do Project *1~29""41...007 be classified SECRET, I 

e~ C~assification of the ASAM 15 aa Development Typeo 

to The RDB Master plan Technical Objective of Project fl-29-41•007 

to be IO...S9 

4o EXHIBITSs 

Exhibit "A" 0 Proposed Military pharaoteristics for ASAM 150 

SECRET 
5o COORDINATlONc 

Coordination was· accomplished with the followin,. agencies, 

Agency 

'Department of the Army 

Department of the Army 

Department or the Army 

Department ot the Army 

Uuited States Air Force 

l Incl 

Exhibit "A" 

3 

Representative and Title 

Lto Colo Go Ho Fletcher Oftioe~ Chief Signal Officer 

Colonel Edwin Ro Petsing 

Office, Chief Signal Officer 

Colonel Dana Go lloBride 

Army Field Foroes9 Deielopment Section 

Lto Colo.Stuart So Hott 

Army Field Foroea 0 Signal Section 

Major John Eo Morriaon9 Jro Directo~ate of Communioationao 

~~;8~ SWARD Co BARLOW 

Ohairman0 Cryptographic 

Subconunittee. ASATC 

SECRET 
lo. Objeotive 

8

¥,F ~Q;.AASJ..§3 a ~un:~.t • 

Prepared by Cryptographic Subcomo 

ASATC 

Date 28 February 1949 

Approved by ASATC 

Date •1o!r"""'Jru_n_e~l9r.4~9~·----~-

Submi tted by USAF 

Date -3-o-s_e_p-1--9--4-5--~~~ 

IXHIBIT "A!' 

MILITARY CHARACTERISTICS FOR ASAM 15 

I ~ GENERAL Itm>RllA.TIOR 

a. There is a military requirement for a oompactcrypto=equipmant0 the 

operational characteristics or which will permit enoipherment and decipher0 • 

ment or messages~ p~tic~larly aircraft movement messages taster than with 

equipment nowavailableq 

bo The movement of all point-toQpoint.aircraf't traf'tio must be reported 

in a-timely and adequate manner to permit communication with aircraft during 

flight and servioinrr, upon arrival. to make possible the prompt identification 

ot airoratt pass~ through zones and to inform headquarters concernin~ flight 

progresso. 

Oo A. similar requirement exists tor handlin~ other than airoratt movement-communications~ 

2o Propoaed Seriice Employment 

. a.o This equip11119nt may be utilized in all eohelons11 -

bo This equipment will be utilized in mobile and fixed installatio11110 -

Oo This equipment will be utilized -oncoline with wire/radio teletype 

oOlllDlU'nioation syatemsa 

d9 The aHooiated systems shall operate ••stan .... atip" at speeds or 

aixti' (60) and one hundred (100) words per minut~ 

II ""' OPERATIONAL CHARACTERISTICS 

~: Security 

ao The seourity shall be Grade 1$ -. 

-

SECRE'F 
~o Time limits or the <eryptoperiod shall be twenty-four (24) hourso 

c~ Time period in which security of intelli~ence is assured shall 

be uiilimitedo 

do The number of stations in a cryptonet shall normally be two (2)~ 

It shall be possible to establish multiple receivin~ stations when requiredo 

80 The maximum number or transmissions and/or word groups transmitted 

in a-cryptonet within a cryptoperiod shall be limited to .one hundred (100) 

words per mi~ute for a twenty=tour (?.4) hour periodo Approximately eight 

hundred thousan'd (8000 000) word g-roupso 

2a Functional requirements 

ac The enciphered si~al produced or accepted shall be a do» neutralD 

"etart=atop9 " teletype signal~ t~ty (20) or sixty ($0) milliampereso 

Line current shall be supplied for only the local loopc 

bo This equipment shall be capable or transmitting by wire/radio 

teletype automatic on-line communicationea 

!!.,o The equipment shall operate over one (1) duplex teletype channelo 

do Types of data to be transmitted: 

(1) The equipment shall accept perforated teletype tapeo 

(2) The clear text output shall be a de, neutral, "start-stop." 

teletype signal acceptable by standard teletype receiving 

equipment or appropriate apeedo 

•o The speed or operation shall be capable or encipherin~ or deciphering iiieaaa~es at a speed or sixty (60) or one hundred (100) word ~oups per 

minuteo ' 

80 lonnally the key' setting shall be accomplished once each crypto= 

period and no individual messa$!:e setting s hall be requiredc: 

£0 Transmission of indicators is not requiredo 

So Range of TransmissionfReoept~ 

The equipment shall not adversely affect the range of the associated 

CODlllunication equipm.ento 

4o Radio Interference Reduction 

The equipment shall comply with the provisions or DA Memorandum 105=25~6D 

dated 10 June 1948~ and DA :Memorandum 105~15=8, dated l December 19480 

2 

SECRET 
So Spurious Radiation of Clear 'l'ext 

There shall be no perceptible radiation of the clear text' ai~lo 

60 Power Requirement 

Thia equipment shall operate from 115/230 (/l~) volt•• 60/60 Cb~ oyole ao power sourceo 

f o !Juipment Operating Position Requirements 

The equipment ah~ll operate when tilted up to twntyafive (250~ degrees 

tram ita normal poaitiono , 

III • PHYSICAL CHARACTERISTICS 

lo Weight and vol\Dlle faotora 

The deaired weight shall be less than one hundreci (100) pounds. The 

maximum acceptable weight shall be two hundred (200) pound~o 

2o Operation, transportation. Packaging, and Storage requirements 

ao Thia equipment shall withstand vibration and ehock encountered in 

tixe"l station and mobile installations. · 

bii This equipment shall be capable of· operatin~ in the following 

ambient conditiona1 · . 

(1) Temperatures rromj2oop to A250F and atorarc~ at ...ao°F 

to ~600Fo ' 

(2) Humidity from 0 to 9S"o 

~ Thia equipment ah&il be capable or air transpo_rtability. in 

Phase llo -(AGAO.,.S 46201 J-tr dtd 15 Sep 470 OSGRD/D-Jl)o 

So Dea~otion Requirement• 

The et,uipment; shall be provided with a simpl• emergenc;y destruction 

meanao 

IV - EQUIPMENT OPERATION AND MAINTENANCE CHARACTERISTICS 

lo Operating Tim 

The equipment shall be capable or continuous twenty':'"tour (24) hour 

operation except for th~ time required to perform normal preventative 

maintenanceo · 

SE·CRET 
20 PermiBBible Scope ot Continuous and Periodic Adjustments, Tuningo 

Calibrating, Maintenace, etco 

This equipment shall require not more than a thirty (30) minute 

period daily for preventative maintenance and operational adjustment 

(which includes key aetting)o 

'?hi• equipment shall be capable ot beinr, prepared from a etora'-e condition to a power oft condition in a period of one (1) ,hour 0 

4 9 llaxiaum Acceptable Preparation Periods t'rom Secured or Ponr Ott Conditiona 

&o The equipment shall require a maximum of five (5) hours to prepare 

trom .. a power oft to a 'standby condition (~eaters on. ·filaments lighted• etoo) 

b0 The equipment shall require a maximlDD ot thirty (30) minutea to 

prepare from a standby to a l'lally operating conditionq 

SECRET 
DISPOSITION FORM 

File Noo CSGID-ASA Subject: Initiation of DA Research and Development · 

Project -#1-29-41...00711 Aircraf't Movement CoJM1:unica.· ... 

tion Security Equipment 0 ASAM0 15 

TOs CSGID From: CSGJD ... ASA DATE: Comment #l 

Attn& R&D Gp 

Fore Lt Col Co Fo Buck Lt EV'eraole/147 Ext 216 

lo Subco11D11ittee Report Noo 29 was presented at ASATC Meeting #5~ 10 June 

49 and recommended for appr~valo 

2o The recommendations contained in the basic report were concUi"red in by 

all members present with the exception or the General Staff representative who 

requested that the Committee action be referred to the CSGLD by tonn.al action 

tor further conaiderationo A listinv. ot members and observer$ attendin~ is . 

included in the minutes of the maetin~o 

3.. The recommendations contained in Subcommittee Report #29 are hereby 

, approvedo Approval of your office is recommendedo 

FOR THE DIRECTOR OF INTELLIGE:NC£: 

l Inol 

Subcom Rpt #29 

'· 

c .. ~ .. 

0 

'p 

y 

a.~ 

JOHN A. GEDDES 

Lto Colonel~ Signal Corps Actin~ Deputy Chief 

Army Security Agency 

SRCRET 
rrJ!'.14 #30 

~ 

DEP~ OF TBE A.Ra: 

ARM!' SECORm MB1!!C'l 

WASH IM'OR 25,. D. C • 

SttaCCll4l!m NEPO.Rr n AmW SECtmm AGimCY 'l'BClllfl'CAL c~ · 

&o Isttar to War De:pat"talient Qemra1 Staff', lbna.i'Cb ad Development J>lv18ion, btom Chief' 1 Beaemoch ad l!lngimar1JJg Division AC /AS-4; 

subJect: JIWtcy Cl!aracte:rl.stios tor 0ommm1 cation Secnriii7 Equipment, 

dated 30 September ]914.6, with :1n4orsement from War Department Celm'8l 

8tatt 1 Resaa'Cb and Dnelo;iuent D1Ti81on. to Chiet 1 Arsrq Security Al!PnCY 

tbzroush thG Director of lhtellisence. 

bca Bev1aed v. s. Air Foree Military Characteriatios far Airbarm 

Cipb.o:n.T Equ1IJl'il8D't reBUltiDS f.ram con:terencea held at M'i/13 Security A.tJpncy 

cm J.J,. Bovember 1946 and 2l Boveaber J.946 with l"GprG&!IS!lta:tivea o't the 11. s. 

Ail" Force. 

2. DISCUSSlOJf: 

a. Apapcies Concerped: ll Cognizant AQarJ.07: Anq SecuritJ' Agmcy 2 l>JnctinS Agency: knIJ1 Security ~ney 

3 llequsetms Al!Jm.01': USAF 

4 Parttcipa.tiJJg Agencies: Hom 

5) Coardimti!JS Agencies: USAF 1 An, Sig C 

6) other Probable Interested .Agencies: l'lavy 

b. Pum>ae: 

Tlle 'O'. So Air Farce bas a military require.ralmt tar voice 

security equipart; for use 1n low echelon e.ir-to-air 1 and air-to-ground 

canmm1oat1ons P'0\'1d.1ng security to include the m:1n1mum class:l.i'ication 

ot COlU'IDElttIAL and vhiob is destszmd far use with a.il'craf't comm.micationa equipaenta am their oomplementaey ground equipmBnts. 

Co Deacr1pt1onl 

Tllese MUita:ey Cllaracte!'1stics cover the requirements for 

SECRET 
----· ·· · ----------ftE"F---:f'lT:*5-BT63-

SECRET 

voice aecurity equ1pmnt ha'riDS Gract8 IV aecur1ty :tor use :In law echelons. 

The aquipmmt 1a 1Dt".ell&to. tor uae ¥1th atanOa'rd vmr ar UD UD8-of'-a1gbt 

a1rcn.tt radio eciulimmte and ¥111 be 1nata11ed 1n arq ata4e:rd aSraZ'af't. 

'· 1!!Jate4 llltR1.al.1 

am. • 

•• 

t. Pn••• pm1mn;1 

A ~ .-1 v1ll be OGD8truoted at Aft/I S.ouritJr 

Aflllllll"7 md a1z ( 6) llal"91ae teat mc181a vil1 'be oautruotec1 1IDl1er oontra.ct 

tcr teat 'b7 thl 11. a. Ab' l'aroe. 

'· 

la.. Ii" ''!181 

5. COOBJ)~JDS: 

Coar41nat1cm 11U aoccmpllmhed w1t.h the follov1DS esenoiea: 

2 

Begeaptat1n an4 'l'1tle 

Colonel w. J. lClepineBr 

Arfl13 J'teicl Farces 

Ila.Jar John E. Marrison., Jro 

l>ireoto:rate of Commmicat1ons 

SECRET 
REF ID:A58163 

9 SECRET t 

I --· e4 IJ!!•tr'e 

Oo1onel ll. 11. -~ 

:t.-t 

ott1oe 

•. Colaml ~ tile G. 

Cldet 

K. ~ 

Sfpl Ottf.~ 

SECRET 
Preparad by CCC Subcommittee 

Data 15 Mmy 1949 

Approved by ASA'fd 

DatG ---.i~o---J~un-e--4~9~~~ 

MILITARY CHARACTERISTICS FOR ASAY 8 --~--~~~~~--------.--~-----

SUbmittQd by _ _,,USA.,,_...,F,,.__..,._...,,.... __ 

Date 30 Sept <fiS 

X • GENERAL INFORMATION 

lo Objective 

a 0 The u~ So Air Force has· a military requirement for voice security 

equipment tor use in low echelon air~to-air 0 and airato~ground communica0 

tiona providi~ security to include the minimum classification or CONFlD~NTIAL 

~which ia desi~ned for use with aircra~t communications equipments and 

their complementary ground equipments~ 

2~ Proposed Service Employment 

Thia equipment: 

a~ Will be used in' low echelonso 

bo Will be used airmto 0 air, and ~ir•toagroUDdo 

Co Shall be capable Of being iDStQlled in standard fi~hter~ bomber 

or transport airora.f~o 

~ Will be used with complementary Air Force f(rowid. Qtquipmentsci 

II "" OPERATIONAL CBARACTERISTIC:S 

lo . Securitz 

Thia equipment shalla 

ao Have Grade IV securityo 

b~ Provide crypto 0 security for at least t\\O weekso 

Co Provide for multi-station net operationo 

SECRET 
• 

~ 

d0 Be so constructed that the security or subsequent transmissions 

will not be endan~ered by the enemyva ?oss~ssion of the general mechanism, 

provided he is not in possession of the specific keyo 

ea Be capable or handlin~ highly stereotyped airQto0 air and air-to 0 

ground weather messagesa 

2. Functional Re4uirements 

Thia equipment sh&lls 

ao Accept ~lear. oorrversational speeah and reproduce aoeach or speech• 

equivalent undistorted and readily in"t»lli~ible. 

bo Be operable trom a standard ~icrophone. 

o. Be desi,ned primarily tor use with standard VHF or 'OBP line-of•sir,ht 

airoratt radio equipment and be readily adaptable to complementary r.round 

aetao · 

do Be provided a key variable without the use ot a tool. 

3o Range or Transmission/Reception 

. &o Thia equipment shall not cause a loaa 1n tranamisaion range in the 

circuit in whiob it is being usedo 

4o Radio Interference Reduction 

a~ Thia equipment shall provide a ai,,:ial not unduly affected by interference and atmospherics and which shall not interfere with the operation 

of' other conaunications equipment. 

So Stabilit7 

a. Thia equipment shall not require constant control or synchronization. 

Ro Power Requirement 

&o This equipment shall be operable tram power sources or ll5/230'volts 

50/60 cps AC; 115 ~l~ 400 cpa Atl1 and 24 to 28 volt DCJ by means of separable po~~ supp lie 1 o 

7o ~pecial Features 

~· This equipment shall introduce no perceptible la~ between the time 

or transmission and the time or receptiono 

III ~ PHYSICAL CHARACTERISTICS 

lo Wei!l':ht and Volume Faatora · ·:: 

~· Thie equipment s~all not weigh more than 15 pounds~ exclusive or 

power·:aupplY,o ' . ., ... : ' ~ 

·~ .r ·' SE GR ET . ~ . ' 
.) 

a RW- ID:A58163 • 

• ~~....,E ..... -c---· R ......... E ........ · T........_ .... 

20 2MJt.t1on, 're•<•tlm!a lVMPSa P1 Stars@ l!n!!m-nta 

a. '!hie eQ.td.plalt abaU be so comstnote4 a.a to be oe.Jl)le or op&ll'SLtton 

8D4 ...... UDIJar oliJl!atlo OGD.41ticma aa apeo1t1ed :!n NJO latter 1 ftla llNAD• 

~ 

ataoo.a <12 April 19'1B) ~, ·~= !l!em;penture •ci:~ fQp the 

an4 .... ~ u. s. A'l!lll8 Bquipmeab ail ~·· aate4 1' ~ J9ll8 

a.• \'h1a eQ.111pDant a1lall. be :Dr0ri6e4 a ·~ -.f!llJD07 4ea't4"1lotioa 

..... 

'. 

SECRET 
\ 

CSOAS-20 

REF ID:A58163 

DEPAR'l'lf.E:f T OF THB ARMY • 

BEADQUARTEB S ARMY SECURITY AGEICY 

WASHINGTON 26 0 Do Co 

' 

SUBJBCT1 Approval ot Al3A1'C Subcommittee Report lo• 80 

10 June 1949 

f01 Interested l'embwas of~ &eeurit7 A~rsnoy feohntc~l Ccmdttee 

and Other Intereeted A~iee 

' lo · Suboomlttes Reporrt lo. SO ~ted 10 June 19490 Subje9t1 Acloption 

ot 11111tart Characteristics tor an AU,borns CiphODf lqu1pment0 ASlY 80 

haviUR ?Juen presented by Daro O. rlo Wr!ght0 OSGAg..ft9 at ASA'l.'C Meeting Woo 5 

above date. -w.a. recOJ111UDdtad . tor apPl'ova.lt1 This reoomsndation. was concurred 

in by all mmabera preaent11 a liatin~ ot whom is includeci in the minutes of 

the mee'tiDgo · 

2~ !he reoOllllMmdations oontm.ned in subject report are hereby approvedo 

. POR B · Cff IIF,. Alil.Y SECt'RI!r AG~Y1 

~~.,!~ l•t Lt.»- Sil!'lal Corps 

Secretary• ASATO 

A'P'!)l'OVed by order or the Secretaey of the A.ray 

U2~~ c.~~ ~ Lt;,. Colct~ll 0 

l&D Group,. Logistics Div. GSUSA. 

'.I 
SECRET 

: II. t,I 'hl:.11,1 •' 

1. ·, ... ,. • ~ J '1 ....... : • • 

_. J)S"fildon, 

a. :Mntar 

i'.rom OMaf, 

to Var Dqa:ttmnt 

Bes1181'Cb a4 

G8Deftl. ~ Statt, 

Dt.da1ca 

R11'1•all MJ~J an4 ~ 

kW 

~· '° ~ ml.1.im7 0Jaceoter1stloa 

J,9116, w!:t.11. ~ 

tor~ 1'liClll Ve J>apatwaat Seoari1i7 

QenmoaJ. 

~. 

a.a, 

~ 

••alZ'4 eal JanwloJlllBDt J>1ridaa 1iO CllW, .., •csllf'ttW' A&IDV 1119 ~ ~ .. .,,,.,,,,.. 

b. llln'Ul4. v ••• Asr ,,__ llU.1'817 ~so. :ftr 11141• 

JBC!la JGbelan CHJtlc•~ ltafJ ! at naltms t.fta ~ 11114 st; _,,,, 1eour1~ ~ en J.\ b a .. lSll6 .a n .,,...,. 29116 vtth ftltW"tatte• q& 1119 tf. s. Mr-~. 

e. DJ&:dlliJlla 

a. AMlofM pgqa.p4J 

1 Cosn'Nm'b Aem07t A1tllll a.c..1v Ag/ltJlsy 

2 l>Snottas ~I lfl'lll Seoar1ey Al?!J!ID.Oi8 

' ~ Al/lfk"rl mAI' .. Blrt1obatda8 ~· ... ' ~ q.ss,.1 ma, m, SSs c 

6 Otbsr !.rollable JBtaraat.a Aaano!ea: ~ 

b. PunRnt 

ftl t1. s • .Atr l'aroe hu a Bilitm7 ~t tar -voice 

BeourltJ' eQ.1d.pmt fm- (111**6"''- 11114 caafwe:uoe »m"IC8811 mmD8 MeJ1 and 

.um ec1w1cns. n!ll ~ s!lall. b9 cln~ to st.ford security 

fr9 -.., ~ to llD!Ale O' a+e¢daat1GU or all claaai:tioations 

tna•1tllll4 onir nMo .. 'dN fao111-U... 

SECRET 
' 

voioe se0Dr1ii7 eq~Jlb ~ Gs;a4e II seoud't7 f~ ue m h1ah mia. 

JrecU'Utll eo!Jelcms ~ na.-ml J.ODS N11eP W1n 8124 1'e4!o Wice. o:lrc\dta. 

4. l!elatef "tmitl: 

(l) ~ *!Ch 1e clMa1ftea aa ~ rehl"fe e«u!P2119Zlt. 

. e o t!relmp•rfc liaton g "St4!Jm: 

P.ro~ct mo. l-e9-2a-003 'Wa8 eate'&UGbscl. aia AJril ~7. A 

le.borator.r DOdel of a seclium ~ ecbelon o1)bau1 equ:tprmrh baS beGn constractecl and 1s ~ unilergoing ftel4 teata. · 

!JD.tee (') 8CD"V:lce ·ten J11>4ele w:Ul be~.-. ocmtraot :l'ar test b;v usma eaencw~ 

918 o1assU1cation of 'b Mil1tm7 CharacterietS.Cs :l8 W: o 

,.~t 

'!lie Subcommittee ncommsn«e: 

'!lie d@tian of MUitary Cl!ara.cteri.at:ioo tar la:I 6 AS adlown 1n 

E:l:bibi't "A"• 

4. uamm: 

Ao DEbi'bit nA" 1 ];l?'Opoeed MUJ.ta:ey ~a ~ ASf!Cl 6, 

aa.t.ea 1' Mq 19119. . 

5o COOBJ>DWJ!IO!h 

OoarcUmbion JJas been ~a. with the :fo1law2Dg agenoiesc 

Ma.3or John Eo ~!sem, Jr• 

Mrectomte of C01!1JJ11n1cat1ons 

Colonel w. J. Xlep!nePJ:' . Arl/11 Fiel.4 Forces 

SECRRT 
REF ID:A58163 • SECRET ... I 

a - ......... ef lit.zt 

I 
P.re:pered by CCC Subcommittee 

Date 13 May 1949 

Approved :t>y ....;ASATC::::::;:....-~-- Date 10 June 49 

MILrr.Am!' CJIARAC'l'li.:RlmICS for .. ABAY;;;;,;;;;:;....;6._ __________ ......, __ _ 

Submitted b7 tJSAF Date ~3;,;;;;0~Se._pt_46 __ 

I - GEDRAL :mFOBMNJ!IO.m 

1. Ob.1eot1ve 

a. The u. s •. Air Force has a military requ1renant for voice secur1t7 •CJ.~ ~ CQDl!!8nd and oon:rerence purposes amcms hiab and medium ecbel.oDso 

Thia equipnant aha1l be dea1gnecl to attOl'd securitr f.ram m:mQ" aml.ysis to 

wice cmmmm1cat:lcms ~all clasaUica.t1cms trmmmitted ovm- radio and 

wire 1'acil1t1ea. 

2. Prol!oaed Sarvice J!mlmmlt 

This equipment: I 

a. Will be used m medium and his1J. echelana. 

bo Will be used m fixed and aem1-n.xed 1nstallationao 

c. Sha" be operable with carrespond:!ng oormmmicaticms equipJllont of the 

De;partmmt ~ tbe Arlirl. 

1. Sgcur1v 

'l'h1s ef}uipnent abal.l: 

a. Jfaft Graae n: aecuriv. 

b. P.rori4e crnto-securltr for at least :five 188ft• 

o. Pztoride far at least f'our stat1on ccmf'erence operaticm. P8!' arntcmet~ 

a. Be ao ccmatructed tbat tbe security of subsequent transm:tasicms v1l1 

not be ~.,.....d bJ" th9 --.v'a »oaseaaion of tbe senara1 mechmdam, provided 

he :la mt m lJOB881181cm of tbs spaoU'1c lmy. . . 

2. l'unct1cmal :Re!IU1r!pnts 

~ eq~ aball: 

j 

SECRET 
• 

ao Accept; clsar, ~tioml speech and relRt'04uce speech or 

a»eeah-equivaltm1; lm41ato:rted am :rea4~ mtellis1bls o 

be Je o~ble ~ a·~ teleplriom "8D'mt U ccmaistent w.ttb. 

other character1at1cs. 

ca l9e CtQSbls Of trammd:fitiDG avv xat"ll!lBJ. :».ens 1"Emp w1ce ci%'cuita 

(Wire, ceniar, flJEJ4/ae radio) whiob accoaM.ate al@lltuds moclulated sipl.a ~ a nondJJaJ. 300 cps to 3300 cps brmd. . 

d. De ~d a lay va:riable <td:tbout t!Be use of a tcol.o 

eo ~ 'for six subsCriber operation ott om ~. 

1t!leA 

f. 

t.ra:xwdn!ca 

3d:t a clear, 

m tm 

avidant 

clear ~ 1s occmrr:f.ng. 

to 'bCth wbam>1._. Slid ~ 

'· !!H °' ~'!'icm/Becel!t1pq 

a. ~ equtpant aha'' not cauae a loss m ~•i<m ftl!t89 a tJle 

ctreu:tt in 1Jb1ah !:t :le beq used. 

&o Ws equ1prisat shall proride a s~ not ~ ~cted b7 :lnterfm>enoe and a~ica ad wJJ.:lch a1l!aJJ.. mt ~ Wi'th tbs opJn.tion 

of othar COJll!lml1cat1cms eqii1pmlmt. 

5. 1'pw' :Reqptnnpt 

a. !'Jda equ1JllDmt aball be operable :r.rom a .u5/eo volt, 50/60 qcle 

JOW&Q:" BOUl"Ce am be p:w1Aed with a ~ powmo plant capal>le o'l continuous ~1.cm.o • 

ITT .. ImSmAL C!!fA!ACTERimlCS 

1. Wg!Esht at¥!. Volt• lacters 

a. Thia equipDEm.t ahall be eepe:ra'bls into C0117jQODS11ta each not to ezceed 

a two· J!im loado 

2. Opg!!.t191; !mi@wrta.t!oa, Paeka£1•, and Stoew Beguinpppta 

D11a equipzrmt shall: 

&e Jle Ught, ~I com.pa.ct ani of tbe 8~st possible cle8ign 

ocma1atent with other :requbemtmta. 

·. b. Jiit ao ~a.a to be CQabls of operation 81.14 ~under 

cliatf.o ccnU:tioma ae Q8C:lnecl 1n NJIJ .le'ttcsr, File .AGAO-s4oo.24 (12 April 

1948) CSJSP-M, aub3eot1 !rempll'a'tee :Req~ far the Per.l'or.mBnce end 

Stareaa at u. s. knl3 Equipmrt am Supplies, aated l5 Allt"U 1948. 

SEGRET 
~63 ' 

o. • llolJlt.ea. Sn a eubllme!on-IJi'OCf caft'11118-cue OJet cases which are ~ 

sutnc1entl1' nm;a aml veatharpoof ~1cm. to v1tJastml4 Dmml. uaaae 

Sa * nau. 

'· Daatnptipp !8g,utrelmlt8 

a. !!de etJUipllmt aba11 be ~ n'ba1d1Em7 ..,a far ~- uatruatlcm ot t1l8 8J8Cti'1o JaEQr am noh ot.cher ~ PD'1ia as -. mceeS!l!Z7 to 

aecurit;i'. 

SECREf. 
CSGAS-20 

• REF ID:A58163 

DEPARTNENl' OF· THE A~ 

BEAD~UARTERS AWV SECURITY A'lENCY 

i.\'As:!INIJ'ION 25• Do Co 

SUBdECT1 Approval of ASATO Subconanittee Report Noo 31 

10 June 1949 

'!01 Interested Members ot Army Security A~ency ?eohnical Co:'llJ!littee 

and O~ber Inte~eeted l~enoie• 

lo SubOOllJllittee Report loo 31 dated 10 June 1949, Subjects Adoption 

ot Military Charaoteriatioe tor a Medium Hi Echelon Ciphony Equipment 0 ASAY 69 

haTl~·been presented by llro Co Co Wr1~ht 0 CSGAS-728 at ASATO Meetin~ Moo 5 above 

date, 1'81 reoOlllllended tor aoi)l"ov&lo Thia reconnendation was concurred in by all 

119lber• 9re1ent, a liatias: or whom ie included in the nain..itea of the meeting,, 

2o The recollllftendations aontained in subject report are hereby approvedo 

ft'OR Tffr· CHIEF, Alfl.Y SBOUTiITY AC'.SWCYa 

/&c.£!~ MAC a •. k,'VEl\SOLB 

lat Lt •• st~nal Corpe s~cret~7. ASA.to 

Approvecl l)y order ot the 

(JoJ. 91_(...~- CHAP.LES ff. HISER 

Lt. Colonel. Si?,nal Corps 

Chairman, ASATO 

GSUSA. 
mil 11>. 32 

REF ID:A58163' 

mPAR'DllOO' OF TD AiMY 

BEA.DQtTABTER.$ ABM!' SECUBm AG1mCi' 

W.A.Sflnu!OI' 25, Do C11 

BECOBD COP!' 

10 June 1949 

8IJRA1IJOM J'OB SC BBCQRD OF 1'BE Ailt1'! SBCURM AGEmCY ~AL CCliiillT'l'D 

aDmC'l t P.roJect Title Chfmse 

IRS to ~ thru ,AS .. 70 and AS•20 with 3 COlllJ8Dts1 SubJect: Changes in 

Pro.1ect '!2:tlea, elated. 27 A»r.il 191&9 o 

2. 'l'he f'ollow1ng project title cMngea were approved by above :reterenoed ms ~ are hereby llBC1e a matter ~ record: 

. &o DA PzoJect #1·29-32-001 •. 

Old '!1tle: B1 Frequency MulticoUl)lers and .Antennas. 

1lew Title: Hul:t1coup.lers. - 1'be o.14 title 18 descriptive of ~ om phase Ot this pl"03ect. 

b. DA Pro3ect #1•29·32-oo4. 

OU. 'l1tle: Interim P.rec1e1on BeCC>l"der 1 .ASAD llo 

Jin Title: lrec181cm Disc BecOrder :Re,l21'0duoer, ASAN U. 

1'he old proJect title 1s :not desc:r1pt1ve. 

~C.rt~ MAC C. EV'ERSOU: 

1st Lt•, Sipal Carps 

Secretary, ASA.TC