Communications Plan for Nevada Test Site, Section A Radio Circuits, 25 Feburary 1952

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LAS VEGAS, NEVADA FROUs Field Manageri Nevada lest Site SUBJECT* Communications Plan for Nevada Test Site, Section A Radio Circuits, 25 February 1952. !• Enclosed herewith is the Communications Plan for the Nevada Test Site 2« This Plan is effective this date* 1, Communications Plan for Nevada Test Site 2, Annex Ii Radio Facility 3 , Anrex I I : Frequency Allocation Chart Test Manager, LAFO Test Manager, SFOO Test Command, AFSWP Director of Test Operations, Santa Fe Operations Deputy Test Director Rear Echelon, LASL Director, Weapons Development Deputy to Test Director for Raliii Carlisle Smith, D.Stearns 28,29

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ATOMIC ENERGY COMMISSION LANL dassificatfon Qroup Section A Radio Circuits Actual construction and installation of radio and other communications eqxiipment at Nevada Test Site is under the immediate supervision of William Heaney, AEC Comiminication Engineer, Nevada Test Site. The Communication Engineer coordinates requirements that have been forwarded from the Test Directors office and approved by the Field Manager, Nevada Test Site. Actual installation, necessary construction, and field csgineei*ing of radio communications equipment, and field telephone needs is performed by Panhandle Electrical Construction Co. \inder terms of a prime contract with Radio or other oommunicp.tions requirements should be forwarded to the office of the Test DiretuDr. University of California, Los Alamos Scientific Laboratory, until 15 March rfi^en TD office moves to the Nevada Test Site, Requirements submitted w^ll le coordinated with other known requirements and a recommendation will be forwarded to the Field Manager, Nevada Test II. PLANNING TO DATE Planning so far has been based on estimated requirements of the agencies concerned with future test operations. These estimates are based on requirements submitted to date to the Test Directorte office by the agencies involved. Availability of equipment desired, arid «tatus of equipment not presently on hand is reflected by the following breakdown of radio requirements. It is desired that each using agency submit through their officiil channels to the office of the Test Director any discrepancy reflected in this summary of radio requirements on hand to date. Ill, GENERAL CONDITIOiS PERTAINING TO MOBILE RADIO REQUIREMENTS A. Mobile Communications Facilities. Mobile communications facilities are divided into five networks. I.e., direct communication is possible between all stations on one individual net, it will not be necessary to have traffic relayed manually by an operator at C.P. Each individual net will be able to interk-coramunicate with other stations on the net without causing interference to users on one of the other four nets. The networks are divided with respect to using agencies Net 1. Basic User Net 2. Basic User Net 3, Basic User Weapons Development Program Net U. Basic User — Construction, Engineering, Maintenance Net 5. Basic User ~ Military Effects Program he United Stotes

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control circuit is actuated which ^ broadcast messaee from Spring Homtain. unit to communicate directly with another mobile ^ itt ^ e y ^ uld have to be l i e s between the two points of communication. ^ "^ B. POINT to POINT Radio Facilities reasons! telephone communication for the following two «,in,.^^® '^''° J?^®^^ of point to point radio communication will be the microbaragraph group (Project 19.1) and Air 1 eather Ser ^ ce. s S ply transmittal (located between the CP and Camp 3) will be used to Se Sans St tef ^ L receiving equipment a t the Control Point location, of m^^freouen^^^^^o Similarly, the receiver farm contains a bank

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Two Frequency crystal controlled transmitters will be used at the A Day and a Night frequency has been requested sc that communication will be reliable on a 2ii-iiour basis. Medium range Air-ground communications will be used to furnish communication with aircraft within a radius of approximately 200 miles of the Actual transmitting and receiving equipment is located on Spring Mountain, adequate backup transmitting and receiving equipment is available so that any four predetormined VHF frequencies will be backed up by a complete spare transmitting and receiving unit. Control of this equipment will be handled at the Control Point by radio operatja©- using control consoles in the radio control room< control of the actual transmitters and receivers on Spring Mountain is accomplished by micro-v.'ave equipment which furnishes control circuits in liej} of wire lines between the Control Point and Spring Mountain. Standby equipnent will be available in the Control Point building quencies in the VHF range within a radius of approximately 100 miles. This equipment will be entirely separate from the Spring Mountain and cation with aircraft which are out of range of the VHF facilities described in paragraph C. above. Actual transmitting and receiving equipment is located at the transmitter farm and the receiver farm which is physically located between the Control Point area and Camp 3- This equipment is mounted in trailers. There are rhombic and long-wire antonna systems capable of being selected to give optimum broadcasting results. Actual transmitting and receiving equipment is controlled from the CP by radio operators using the same control consolesmentioned in paragraph C. above. Control circuits between the physical location of the transmitter fann and the receiver farm and the Control Point building Htilize wire circuits. £. Detailed Assi^jnments of Mobile Communications Facilities. NET 1. Basic Qser Weapons Develspment Program 1. Six transceivers installed in vehicles to be assigned by Field kanager, NTS for the photographic group. 2. One control unit to be installed in the LASL photo trailer

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B, Program 16 and Project 17.2 1. Three transceivers installed in vehicles t o be assigned by 2 . One transceiver to be in station lLi60 located on Yucca / lat, 1. t i ^ t trar.scclTP-^s to be installed in vehicles to be assignea by rield 'anager, FTF for this group. 2. One transceiver to be installed in Building 10 in a location assigned by Vr. Harvey Korth, 3. One control unit to be installed in Project 19.1 office in ii. One control unit to be installed in Room 232, Control 1. Two transceivers to be installed in vehicles assigned by ii. Program uirector. Programs 10 thPOBg^SaOa ' 1. One control unit to be installed in Room 212, C. P. Building, 2, Two transceivers to be installed in vehicles assign, d by F, Test and Deputy Test Directors. 1. Two tranroeivers to he installed in vehicles assigned by the Fiela Lanas^f.r, KTJ', for the lest Director's and the Deputy 2. One control unit to be installed in Room 209, C. P. Building. 1. One transceiver tj be installed in vehicle assigned by the Field iLanager, K/i.P,, for use of Technical Liainon Staff. NET 2, Basic User, AiiC recarity. 1.- Twenty transceivers installea in vehicles to be assigned by Field anager, ;j.T.S., to ?,ecurity patrol.

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2 . One fixed station to be installed at AiiC offices a t 300 Freemont Street^ Las Vegas, Nevada, 3» Oiie fzi.ed station to be installed at Security Headquarter-, It. Six fixer" stations to be installed at Sec-ority guard static to be speciTied by Cuiex, Secority Branch, US^-C, Nevada 1. Fifteen transceivers to be installed in vehicles s'lpplied by the " dl it ary organization) end assigned t o Rad-^afe group. I'UTJ^; .vail able radios are not satisfactory for installation in military vehicles with other than six volt ignition systems. 2 . Fifteen hani^ii^alkys capable of operation on Net 3 3 . One control unit to be installed in designatea room NET ij. Basic Users; Construction, ^nf^ineering. Maintenance Iv Tv.c ,^1 ansceivers t o be installed in vehicles assigned 2. One >oi\r;? ur it to be i r ' ^ tall ed in engineering office by ijild lanaper. IITEj to Silas ascn personnel. 2j One coil r ol unit to be installed in Silas Mason office 1-, 1 our transcei'/e^'? to be installed in vehicles assigned

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2 . One fixed station to oe installed at 613 N, luain P tree t, 3 . One fixed sti-bion t o be installed at 817 S. liain f ' treet, 5, Ore f:".ed tt^i-.l^n t o be installed in warehouse office a t 6, One control unit to oe installed in. acehouse Supt. office 7, One contr.C in it tote installed in North Jiotor Pool 8, One control an it to be installed in Haddock Chop and i'ctor Pool Supt. office, 9, One control unit to be installed in Haddock Carpenters, 1, Five tran - se ivers to be installed in vehicles assigned to "eynolis electric personnel. 2 , One fixed station to be installed in Reynolds office a t 3 , One c.ntr ol unit to be installed in Re^ntlds electric oi fic 1, T\''0 transceivers to be installed in vehicles assigned 2, One control unit to be installed in designated room in Administration Building, Camp 3. F, RADIO Maintenance, Panhanale electrical Construction Co. 1. Three transceivers to be installed in vehicles provided by Panhandle electric for field maintenamc and engineer2. One transceiver to be installed in vehicle assigned to 3 . Ore cc li r ol unit to be installed in the office and shop of Pan lanrlJ^e electric at Camp 3 .

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F.Kili tar y Effects and j^n^^ineering Liaison. I i One transceiver to be install c : din the vehicle assigned by Field Manager, NTH, or appropriate vehicle furnished by NeT_5. Basic Bsers Military Effects Program 1. I'ine transceivers to be installed in vehicles assignea nished ^y rdlitary organization) for i^Silitary effects Group. Jirrangements for .vehicle assignment must be made with Col. Tate and Lt. Col. Page. NOTE: Available transceivers can not be satisfactorily installed in vehicles with either 12 or 2ii volt ignition systems, this fact sho.;ld be kept in mind when vehicle assignments are made. 2. One control unit to be installed in T'ilitary effects Office, vjuonset area. Camp 3. 3. One Control unit to be installed in Room 236, C. P. 1. Three transceivers to be installed in vehicles assignt to Director, Program 7 (Liajor hormats), 2. One control unit to be installed in one of the Quonset buildings. Camp 3. Building to be s'tjecified by the Birector of Program 7. 1 . Three transceivers to be installed in vehicles assignc to ir oj ect8.6, 2 . One control unit to be installed in one of the Quonsel buildings. Camp 3 . Building to,be specified by the Project Officer of fSroject 8.6. sj^e'Tiirrii'.Fo.'j'iui.u' PER DOC REVIEW JAN. 1973

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IV. MCEIFICATION CfF MOBILE COMMDNICATICH FACILITIES A. Scope of changes Mobile CommunicBtion Net 1 will be combined with Net 5> Basic users of Net 5 will be both the Weapons Development Program and the Military Effects Program. This change has been made necessary because of the inability to clear frequencies requested for Net 1. 1. Under III A all references to five radio networks should be changed to four radio nets. Where reference is made to 'one of the other four nets', change the word four to three. 2. Net 5 Basic User— should be changed to read Military Effects Program and Weapons Develoi»aent Program. Delete line 3. Under III E Detailed Assignments of Mobile Connunleatitms Facilities— change Net 1 to read Wet 5. PER DOC REVIEW JAN. 1973

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Actual construetian and installation of telephone equipment a t Nevada Test Sit6 i s under the immediate supervision of William Heaney, AEC Communication Engineer, Nevada Test S i t e . The Communi'-' cation Engineer coordinates requirements that have been forwarded from the Test Director's o f f i c e and approved by the Field Manager, Nevada Test Site. Actual installation and eonstructian ot the permanent telephone plant at ttie site is performed by the Pacific Telephone and Telegraph Company under terms of a prime contract with the AEC. Telephone requirements fihiSuld be forwarded t o the office of the Test Director, university of California, Los Alamos Scientific Laboratory, until 15 March when TD office moves t o the Nevada Test Sits. Requirements submitted will be coordinated with other known requirements and a recommendatiai will be for - warded t o the Field Manager, Nevada 1^A^,#lte for action. At the conclusion of the Buster/jangle, operation an analysis of telephone communications was made and plans based on estimated requirements were forwarded t o the telephme con^any. These plans were made firm orders l a t e in January and an ' i n service' date of April 1 , 1952 was requested. Present raftuirements based on Infor.^ mation submitted to date to the Test j^f^etor's office iS reflected by the following breakdown of t^llf^^e requirements. I t i s desired that each using agency subiAt {Itt'ough their official channels to the office of the Test Director any (UlfclP^pancy reflected in this summary of requiretents on hand aVi^ls date. i n . SUMMARY OF TEIEPHOffi FACILlllTES TO BE PROVIMD Rearrangements and additions Xb Ihe 6jtisting telephone 1. 16 t o l l trunks terminating in a fout positioi switchboard, 200 line capacity, at the cail^ieite (Camp 3). 2 . The existing two position dial ewiidhboard, 200 line capacity, a t the CP^ remains in servite and will operate as a P!JX off the. campsite switchboard. 3. (a) 21 dial two<way tie lines between ^ e campsite and (b) 2 ring-down tie - lines between the campsite and the li. One ring-down tie line between ^ e canp-site switchboard and SWC Operatidne a t Indian Springs. SWC Operations at Indian Springs.

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SUBJECT: CQMMUNICATICWS PLAN FOR NEVADA TEST SITE CONTINUEDt 6. One ring-down tielir.e between the campsite switchboard and the Las Vegas office of the >t£C. 7. The existing arrangement of two sts-.tion lines for use Tor Sixth Amy field r&V'^ie.TeAts. 8. A 51 psrf-r cable terminstlsg i n the switch-house at 9. 51 pair cabl»s are "cfting constr-'cced to each t e s t area i s available, so that the ca':;l<5 iiench can be closed. 10. A urdveresl n-imb-^'^ing system i s being pic^ld«»d. This ing dialing codes when dealing between CP and the The tape relay messfge center i s t o be relocated adjacent to the PBX at the campsite and w i l l con&ist of: 1. Two comraerrsial TWX services. 2. One private l i n e to Iiidiw Springs EWC Headquarters. 3. One pn.vat8 line to the Las Vegas AEC office. U. Two private Ijxes t o the CP Comnunicatioas room. Autcnaxic tape equipment will be installed at the CP for this circuit, 5. Teleu-yp3 ?wltcbang equipment formerly installed in the 6 . The Cryptsgraphir Room circuit will remain a t the CP. siie tsl';';yp3 oei.ter aid will be relied to the CP for decoding ana diJivery. 7. Air-Weather Serrice teletype facilities consists of the Western Cnton C35 circuit, the CAA 8009 circuit, the Air Fn^'ce 9o9i» circuit, the Overseas circuit C. Public Coin Box Service.. An extensive additiwi of eight clear circuits and fourteen convenient outxlocr-typa booths w i l l be completed by the A schematic diagram showing the total facilities at •ach

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Benewal Applied for BAOIO TBSqjEnCT A ILO aT I OH CHAST AGIIHOr HO. JOB OB IBAC OBIZATIOH COHTROL WAMS IMISSIOH around Locator Beacon Before Operation Calibrate Xqulp.- LASL Before operation Calibrate equipnentLASL USOB Bold …