JPRS ID: 8342 TRANSLATIONS ON TELECOMMUNICATIONS POLICY RESEARCH AND DEVELOPMENT

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i9 ~A~tCH i979 C FOUO 4179 ~ i OF i
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I
~UK ~rr1~1AL U5~ ui~~Y '
JPRS L/8342 +
19 March 19 79
i
~ ~ /
_ TRANSLATIONS ON TELECOMMUNICATIOHS POLICY~
RESEARCH AND DEVELOPrENT ~
(FOUO 4/79)
U. S. ~OINT PUBLIC~TIONS RESEARCH SERVICE
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BI6LIOGRAPHIC OA'fA 1. Report No~ 3. Recipient'� Acceerion No. -
SNEBY JPRS L/ 834~
- ~ t e ~n t t t S. eporc oec
TRANSLA'TIONS ON TELECOI~iUNICATSON5 pOLICY, ItESLARC~t 19 March 1975 _
AND DEV~LOPMENT, (FOUO 4/79) 6'
7. Author(~) 8. Performing Ors~ni:ation liepe.
No.
9~ P~rformfa~ Ots~ol:~tloo N~me ~nd Addrei� 10. Ptoieet/T~~{c/Work Unit No. .
Joint Publicati~ns P.eseaxch Service
1000 Nortt~ Glebe Road 11. ~oner~et/Gr~nc No.
Arlington, Virgir~ia 22201
1Z Spuo~alo~ Or~~nlsuioo N~me ~od Addeea~ 13. Type of Repoct b~ pecioc!
Corered
As above -
t~
1S. Suppl~menaty Nae~
1 . AD~er~ct�
This aerial report containa translations from the world press and radio -
relating to worldwide polirical, economic and tech?lical developments in
� Celecommunications, computers, and satellite communications. Coverage will
' be worldwide with focus on France, Federal Republic of Germany, UniCed Kingdom, -
Italy~ Japan, the USSR~ People's Republic of China, Sweden, pnd the Netherlands.
7. Ker pord~ ~ed Daument Ao~ly~i~. 7a De~cripton
Worldwide ~
Computers
Satellite Comcnunications -
Electron~cs and Electrical Engineering ~
Telecommunications
Telemetry -
1ib. Ideoeifien/Open-Eoded Term~
17a COSATI FieW/Group ~9B~ C~ F~ Z~B,
1!. A~~il~bility St~temeot 19.. Secucity Cl~ss (This 21. o. o( Pagee
Repoa) 2 O
~ For Official Use ~rily. . ~:uruy Class (This 22. Price
Limited Number of Copies Available From JPRS. P.~
N I. SSIF F.D
UfCOtw~�DC ~0)t~�P7~
/OIIM NTI~i/ 110~70)
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' JPR5 L/8392
19 March 1979
- TRANSLATIONS ON TELECOMMUNICATIONS POLICY,
RESi
ARCH AND DEVELOPMENT
(FOUO 4/79)
CONTENTS PAGE
WORLDWIDE A1?FAIRS
~ WORLDWIDE AFFAIRS
Nonalined Radio Meeting To Be Hel~ in Havana
(Leopoldo Formoso; PREJaA, 24 Jan 79) 1
- NEC Cr~sa-Bar ~,xchange Sales to Tha~]and Recounted
(NIKKAN KOGYO SH'LNBUN, 1 Feb %9) 3
Africa-Europe-South America Submarine Cable Syatem
(MARCHES TROPICAUX ET MEDITERRANEENS, 9 Feb 79) 4
Briefe
~ Voice of Islam 6
Chinese News Agency To Open Bureau in Ecuador 5
ASIA
JAPAN
Utility C~mpany President Criticizes U.S. Procurement
1Preseure
(ASAHI SHINBUN, 1 Feb 79) 7
fir ie f s
- Satellite Orders 8
New-Type Computer 8 -
VIETNAM
Briefs ~
Hau Giang Telephones, Telex 9
a- ( I I I - INT - 14 0 FOUO ]
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CONTENTS (Cnntinued) Page
LATIN AMERICA
CUBA -
New Communicatione Facilities for Nonalined S~mmit ~
(PR~LA, 7 Feb 79) 10 -
USSR
� USSR
New TV Tranamitting F:qufpmenC
(V. I. Avdeyev, V.P. Popovich; VESTNIK SVYAZI,
Nov 78) 11
WESTERN EUROPE _
INTERNATIONAL AFFAIRS
Parie-Bonn TV Satellite Conatruction Debated
' (~'ierre Langereux; AIR & COSMOS, 3~eb 79) 11
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WORLDWIDC ArrAIR5
- NONALIN~SD RADIO ME~'PINa TO DE H~I.U IN }{AVANA
PA242318 Ilevana PAGLA in Spaniah 1855 aMT 24 Jan 79 PA--F~R OFFICIAL USE ONLY S
[Pool 1Letn by Leopoldo Formoso] -
_ (ToxtJ tlav6na, 24 Jen (PL)--The representatives of 11 nonalined oountries will meet here in
Qarly I~'ebruary--only 'j montha aWay from their sixth summit meeting--to disauss important
moLters aonnceted With. the field of radio oom~mxnicationa.
Tuo groupa of experts from the aooperation oommittee of the nonalined countrics radio
broadaaeting organization uill participate in these flisousalons and~ among other things, _
Will diaousa the redistribution of radio frequencies at the international level.
Thi~ nnd obher topias will bQ analyzed by bhe world adminisbrative radio confcrencc,
which is ~lated bo be held in Oeneva. Swibzerland~ in Oobobcr.
~rha first of the two ~roup~ will bc presided over by repre3ent~?tives of Algerian =
rndio and tielevision ~ervice and bhe second by representatives of "All India Radio," -
which cpeoializea in radio broadoasting by satellite. -
Thc se~sions uill be held from 2 bo 6 February at the "Havana ~~'e" Hotel in this ~
capital. Del~gations Prom the Democratic Peop'.ets Republic of Korea, Cuba, (iuyana. _
Iraq, Kenya, Nigeria, Tunisia~ YUgoslavia and 2ambia xill also participate in the
event. -
The nonalined eountries~ first radio broadcasting cor~ference xas held in Sara~evo,
Ytt~o:,laviu, from 27 to 30 October ~977r and was attended by 54 member countries. On
t;hat ocoasioii, an nction program Por the world radio conference, which is to be held
in acneva, ua~ oublined and a co0rdinating cor~i~tee presided over by Yugoslavia
or~anizcd. Thati cortanittice included Tunisia~ Algeria~ auinea, Nigeria, Togo, Tanzania,
laii~c:, Kcnya, 7.ambia, ~dia, Mghanistan, Democ: a.tic Korea, Jordan, Iraq, Malaysia~
Ouba, Pcru, Pannma and Yugo:,lavia.
Lact year in Algicr~, bhc ~c~oup of expert3 held $heir Pirst meeting. This same group
xill nox mQet in tihL^, oapital to Legin a ~oint coordinated effort in connection with
s bhc nforementioned Oencv a canlerence. Thc final declaration of the Algiers meeting
condcmned Che idca of forrtlcr aolonial poxers maintaining radio stations in the terri-
boi~ic~ of nenalined cauntrie:. and~ because of thcir lnterventionist nature, likened
, ~
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ro~ o~~icr~, us~ oNLY
- ~heue cba~ion~ bo bhe preoeneo of nouaolonial milibary base~. The "pixate" work
~onrri.od oub by bhe radio csba~ions of cer~ain Woabern ooun~ries~ whioh produoe inber- _
t'oi~anao on tiho nonnlinod aountrios~ looal frequenoies, wus also denounaed. On ~he ~
nbhoi~ liand, tho doownonti oxproaoed uolidarity and aupporb for bho radio programs broad- "
aaut i'rom various pnrbc~ of ~hc world by the national libcration movem~nbs. One Copie _
btin~ wau Lroadly diJQ~aUQ~ and which will bo debabed once again here oonoorns ~hQ
adup~ion oP moasuro~ aimad ati guuranbeein~ a more equitablo distribubion of bhe
trequenoion At bho in~ernational level.
Bobh in the nonalined counbries movemenb and in UNE3C0, ~he un~ust dis~ribu~ion of
- radio frequenaies and bhe monopolizabion ot tihe ini'orma~ion and communi.enbion~ service~ -
by bhc lar~e cenbers oP eoonomia powe:, parbiaularly the tiransnabional oompanies, has
bcen denounaed.
Tho partiialpants at ~hese meebings wi11 also take part in aobivities~ inoluding u
viai~ bo thc Palaoe oP Conp,rosoes~ whiah is ourrenbly'under aonsbruabior~ and will be
uocd aa ~oat oP bhe :.ixbh nonalined su~tit nexti 9eptember.
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i WORLDWIDE ArrATit5
NEC CROSS-BAR EXCHANGE SALES TO THAILANU RECOUNTED
Tokyo NIKKAN KOGYO SHINBUN in Japanese 1 Feb 79 p 1
,~Text/ Nippon ElecCric Company, Limited, (NEC) (Tadao Tanaka, preaident),
- announced that it aigned a contract with Thailand Telegraph & Telephone
� Public Corporation LTTTCp/ on January 31, following a auccesaful bid for
- 4Q,000 crosa-bar exchange circuita and related equipment at 3.25 billion '
~ yen, the largest award yet under Thailand's exchange pro~ect. Sinc~ 1967,
NEC has received orders from TTTPC, on a yen loan basis, for about 330,000 _
circuits for 40 stat{.ons as part of the telephone exchange equipment for
_ Thailand's metropolitan area. Orders for cross-bar exchanges, including
_ the latest transaction, now total 12 billion yen. NEC now has supplied
92 percenC of all the telephone networds in Thailand's metropo~.itan area.
Delivery will begin within 10 months from the signing of. contract and will
- be completed in 2 1/2 yeare. `
In 1967, the Government of Thailand negoti~ted a loan from Japan for the
construction of the telephone network. Ever since NEC began~ to receive
orders in that same year for thQ initial pro~ect by TTTCP, it has en~oyed
preferential t~eatment. It has dispatched 150 of its own technicians and
project managers and is training TTTPC techniciana, about 100 in Tokyo
and 150 in Bangkok.
_ According to NEC, TTTPC's plan calls for croas-bsr exchanges for about
~J0,000 circuita annually. t
COPYRICHT: Nikkan Kogyo Shinbunaha 1979
9097
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WORLDWIDE AFFAIRS
AFRICA-EUROPE-SOUTH AMERICA SUBMARINE CABLE SYSTEM
Paris MARCHES TROPICAUX ET M~DITERRANEENS in French 9 Feb 79
p 315
LTe:c) A meeting of exnerts from seven countries which last _
_ September signed an agreement for a submarine cable system
linking South America~ Afr~~~a~ and Europe was held j.n Dakar
from 30 January to 1 February. It was decided tha~ the tele-
phone link will begin to operate in 1982 a~ the latest.
The total cost is estimated at 50 billion CFA ~African Financial
Community Monetary Uni) franes. Senegal will pay about 5
percent of the costs.
The experts agreed on the number of circuits needed between
1~200 and 1~800.
On 5 September 1978 Brazil~ Argentina~ Senegal~ the Ivory
Coast~ France~ Italy~ and Portugal signe d an agr~ement of
intent to develop ~a "submarine cable communications system"
linking the three continents. Later several ather countries~
including the United Kingdom~ Swit~erland~ Germany~ and Nigeria~
~oined the first group after weighing the advantages of such
a system: in addition to increasing communications among these
countries~ the development of ht~h capacity cables provides
- telephone and telegraph circuits at very competitive prices.
The system in question con~ists of two main sections: the
Recife (Brazil)-Dakar (Senegal) section~ 1~800 nautical miles -
long (3,330 km) and the Dakar-Lagos (Portugal) section~ 1~650
~ nauti~cal miles in length (3,053 km). This configuration was
chosen after technical and economic studies were done~ based
- on two factors. The first is the diversification of traffic '
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routing between cables and sate].lites in order to improve the
socurity and rel.iability of communica~ions among tY~e three
- continents.
The second factor was the selection of Dakar as an intermediate =
point in order to concentrate the Brazil-Europe and Afric~-
Europe traffic in one large-capacity c].uster of channels. This
_ will reduce the cost of a channel and will also provide direct
links via submarine cable between West Africa and South America. -
The system now linking Dakar to Morocco and to France~ on one
hand~ and to the Ivory Coast and soon Nigeria~ on the other~
may well be saturated within the next 3 or 4 years.
COPYRIGHT: Rene Moreux et Cie.~ Paris~ 1979
76 79
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JAPAN
UTILITY COMPANY PRESIDENT CRITICIZES U.S. PROCUREMENT PRESSURE
Tokyo ASAHI SHINBUN in Jananese 1 Feb 79 Morning Edition p 9 OW
[2~ti1 The Unltod Statos is strongly demanding bhat Japan ohange tho Nippon Tele~aph
and ~Polophono Publi~ Corp~ration~a [NTTPO] prssent supply system to a aampebitive bidding
aystem ~o U.S. enterprisos oan take parb in the bidding. At present the NTTPC prooures
materials by disorebionary oontraot.
Ab tho Tokyo round ot L�he OATT mulbilateral trade negotiabions, this practiea was a -
~ sub~eot of oontroversy. Regarding bhe U.S. demand, NTiPG Prosident Akikusa told bhe -
_ press on 31 Janvary that ne9,bher ~he Ministry of
Posts and Teleoommunioabions nor the -
NTTPC intend to make any oonaessions and bitberly aribiaized bhe high-handed U.S.
political pressure. The Pollowing is a summary of his stabement:
1. Ib 3s a co;nmon praotice of a11 EC aountries to prooure d~mestically machinery, such
as oommunicat;ions equipment, that requires a oonbinuous and stable supply. They ~,rocure
such equipme:.t nob throu~ oompetitive bidding but by discretionary aontraot. The United
3tates is not a~king the EC oountries to ~hange their proaurement system so U.S. firms
aan partioipate in the bidding. In the United States, ATP procures its equipment only
- from Western Eleatrio, its 100 percent affil3ate.
2. Several oabinet members of the Carter administration came from I~I, and we have the
impression that IBM is behind the strong U.S. political pressure.
3. `Phe NTTPC does nat totally exclude foreign products fr~m its procurement. In faat~
it purohases 3 billion yen worth of equipment from abroad annually. In markebing goods, -
thc :,eller must invest years of effort. In promoting sales, U.3. Pirms prepare lisbs of
apeciPioaL�ions and oonduot sales negotiations in English, virtually telling the buyer,
- "You do t;hc translation." We aanrlot tolerate the high-handed attitude of telling us to
buy their produots without their making any promobional affar.t. pt any rate, it will
take anobher (?month) or two to settle this issue.
COrYRIGHT: Asahi Shinbun Tokyo Honsha 19~9
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JAPAN
BitI~~5
J 5AT~LLI'T~ O~b~R5--Mitsubisht ~lectric Carpdrgtion has received n 6 billion
yen order for an INTEL5Am standard-A earth st~tion from Saudi Argbin and a
- 2 billion yen order for a gimil~r ~arth static,n from Malay~in. Both gta-
tionq, slnCed for compleCion in April 1~$0, wi11 be used for communications
witti Japan and North America via lV-A and V eatellites. (Tokyo NIHON KEj7.AI
SHtNgUN in Japanese 31 Jan 76 morning edition p 8 OW]
NEW-TYP~ c:OMPUTER--Three Japanese firmh--Nippon ~lectric, Tokyo 5hibauru
Electric and Nichiden Toshiba Information 5ygCem--announced on 6 Februnry
that they will put on sale a new-type medium-to-gmall-sized computer
"AGOS 5ystem 250" beginning next July, in rivalry with IBM's 4300-type.
The Japane~e type is the first of its kind produced domeaCically and, ac-
cording to Nichiden whl.ch developed it, ita efficiency ia "30 tu 40 percent
higher than the IBM ver~ion." Firm nfficials think that they can sell 2,000
units of the new computer in 4 years. The price is 30.8 million ta 132 mil-
lion yen per units, and the rent will be 700,000 to 3 million yen per month.
[Tokyo TOKYQ SHINBUN in Japanese 7 Feb 79 morning edition p 3 OW~
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CUBA
N(:W COMMUNICATIONS F'ACILITI~9 FOR NONALINED 3UMMIT
Pno7z219 }{avana pREIA in Spanigh 2017 ~NIT 7~~b 79 PA--FOti ONFICIAL U9~ ONLY
[TwctJ ttavana, 7 Feb (PL)--Ouba t+ill guarantee a hi~ technical level in ~ommunioabion~
dw~inY Cho aiacth nonalined swnmit conferenae to be held in Septembar. This remark uas
madc by Cuban Communieations Ministier Pedro (3uelmes during his alosing speeoh at the
third meeting of radio broadoasting experts held here f'rom 2 to 6 Pebruary. Aacording
t;o f}uelmea hi~ mini~try is making oonsiderable investments and conduoting a complex
and Woll-planned progi~am to insur~ telephone. telegraph, radiophoto, radio and television
c pnmunioations.
The pro~am is baged on e~cperience obtained in communications services during preoeding
s~.immit meetings in Algiers and 3ri Lanka. A modern telephone eentral is~nou beL~g
_ establi~hed to serve internatior?al traffio. The oenter has the equipment neoussary to
- guarantce apeed and quality.
A neu automatic telcphone oentral is being c anpleted. This uill alloa the Cuban
telephone operators to Qial the requested numbers in those countries linked uith the
international traftia centers. The ministry is also installing neu telephone and
tele~raph equipment to be used by a satellite tracking station. This Will alloW the
broadca:,t of radio and television pro~ams to those countries srho so des�re it.
Tuo fully equipped telephone rooms uith a aonsiderable nwnber of telephone booths,
radiophoto and other serviees xill be available to the hundreds of newsmen uho will
covcr the meeting. _
The Palace oP Con~es~es, uhere the important meeting will be held, s?ill have other in-
~tullations for radio and television broadcasts a3 desired. It xill also have a room
uith intct�national telex equipa?ent looated :i? a seation oP the press room uhich, like
- othor rooms of the palaae, uill be equipped s~ith television monitors conneoted to a
clo~ed-circuit color tolevision system.
~ric miniatar ::aid that the urban telephone netuork is being expanded and that private~
autanatic medium- and large-sized panels for communications service xill be installed
throughout the arca in uhiah the meeting uill be held. These panels uill be hooked up
to national and international systems. He said that a group of enginQers, teahnicians
and xorkers are in,talling a oanplex, higt? quality communicabions sy3tc~ uh.ieh uill
connect f~otcls~ hospitals. airports and other serviee installations.
I[c caid tinally thar thc respective coordination is beix~g established uith the depart-
ment~ tl~at uill ~erve a~ intcrnational traftia channels in order tc~ link Cuba uith all
l;ho countiries in the mov anent so as to best gerve the nonalined swnmit.
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N~J TV TEtANSMITTINC ~QUIPMENT
Moscdw VE5TNIK SVYAZI in Kussian No 11, Nov 78 pp 29-31
[Article by V. I. Avdeyev, chief technologisC in GKItU [Main Administration ~
of Cable-Line and Radio Relay CommunicaCions F'aciliCies], USSR Ministry of
_ Communications, and V. P. Popovich, GKRU leading enginePr~ "Special Fea-
tures of New Television Transmitting Equipnent Development and OperaCion."
_ paragraph in slantlines printed in boldface]
[T~xt] /Yroviding hi~h quality transmission of color TV programs is a
vital task at the present CU+~e. One Way to aceomplish this is creation
of new types ~f TV stations. The Zona-II and ATRS-S/1 'TV sCdtions fall
in this category. They will permit increased quality transmission of the
color TV picture./
Mod~~rn principles in the development of TV transmittir.g equipment are
- embodied in the 2ona-II and ATttS-5/1 TV stations (Figure 1). As a resu lt
the basic indicators of these stations (see Table) correspond to the values
accepted by the GOST [All-U nion State Standard]. However, the neW TV sta-
tions also retain princip?es Froven during construction of the previous
equipnent g~eneration. Thus, common fnr the two types of sCations is use
of operating and spare oscillator assemblies (the passive stand-by circuiC)
and of two autonomous parallel amplifiers for the picture and audio radio
channels, the poWer outputs of which are added at the output (Che activ2
redundancy circuit). -
Tl~e pro~lems of adding tihe poWer of the transmitters and of the subassemblies
as a ahole, as well as of the output couplers,have been solved just as they "
were in equipment previously produced. The signals from the picture and
audio r.hannels at the output of each subassembly are added in a common load
aith the aid caf a filter (FVCh) [u pper frequency f ilterJ. Its output is
sWitched to the adding brid~e (MS) input of the subat:sembly pouer. The
addin~; bridge coupling system (liK6; UK7) makes it possible for tWO por+er -
output subassemblies to simultan~eously operate to the antenna. If one
- fails the operable subassembly can be sWitched to the anter?na via an adding
bridge bypass. The capability of loading the transmitter and the faulty s~b-
' assembly to the dummy antenna has been envisioned.
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FOR O~FICIAL U5~ ONLY
!'~r~un~t~rs AT~5-5/1 'Lona-II
E'requency band I-III III
Pictur~ channel power, kw 5 5 -
- Audio char?n~l power, kw 1 G.6
Carri~r stabiliCy ~or 1 month without
adjustment, Hz, no worse Chan ~100 50U
~atio of Che peak-to-~ieak picture signal
tn background interference a~ a back-
~round level at ittput u p to 50'G, db,
at least 42 46
Varied amplii'icaCions of the brightness
- and color si~nal, db, noe to exceed �1 �1
. U~stortion factor for Che brightness
sigr~al, �4, not to exceed 15 15
DisCortion of the differenCiated
amplif ication type, ~G, not to exceed 10 10
Input power without the ventilation
sysCem, kw, not to exceed 20 25
Uimensions, mm 3020x$70x229$ 2790x1240x2000 "
, `
~ = F-
x _
f -
. y
t ~ Q,~
t. ~ R.
?
. ~;k 4
' d -
t ~ ~
y
.t,'-
- # ~
~ ,
Figure 1. ATRS-S/1 TV Station
12
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~'nk ni~'~tCIAL USL: nNLY
As oppo~~d Cn dld ~quipmene, the m~ximum amounC di trunyistnriz~Cion,
reatricCion itt Ch~ number n~ electronic tubes, wide use of
integral cit~-
cuits in Che logical control circuits, ~nd automatic switching Co a _
sp~r~ 4r~ ~ommon for Che new 'I'V sC~tions. Tr~nsm~tters ~ttd dummy c~ne~nna~
_ are ~ir Cool~d at ehese stations and the cap~bility h~s been ~nvisioned
_ to locate the equipnent boCh in Cwo-~ ~s w~11 ~s in dn~-~Cory building~.
Casy access Cn Ch~ main compnnenCs has been provided.
At ~he sam~ time ennsGructidtt of the oscillatnrs, input st~bilizin~ cir-
cuiCs, gnd Che mul~iplic~tion~~nd modul~ting sCages in each staCion has
its own peculi~rities. Thus, for Che zona-II (F'igure 2) ~ combined os-
rillar.or has been used for Che picture and audio ~ransmitters, Co r+hich .
the picture and audio signals are ~~d via inpuC cou pl~rs (UK,lf UK2).
- ~ s ~ ~ b) y c) bb ( S (
d ~
I n 4(a) ( mr ~e~ Mc wev ~r I I ~a) y r'1 I _
. ~ 3 MoO. ~ I~ b~ y b( I hcD J i -
~ 1 3rcB (e) ~ I 2 ~
_ ~ ~9 1 ~ I y~ ~ ~ 1 ~ -
I I~ ~ ~
I y~ ~ ~ ~
i yK ~
I (I ~I ~
- ~~9 ~ ~ Bc~6yd ( f) C f BcJByd ( ~9
~ 7~ 9 II il 9 Q 7 i
~ ~
3~n f 9K 1
( B i BuDco a~nr J~ ~ HJMr h~
Figure 2. Sttvctural Schematic of a Zona-II
TV Station. (a) - modulatorf (b) - hatmonic
filter~ (c) - upper frequency filter: (d) -
adding bridge; (e) - 3 ka; (f) - oscillaCor;
- vid~o; (h) - gauge; (i) - audio.
The sienal processed in Che oscillator via a cou pl~r (UK4) reaches transis-
torized multiplier 1 in Which a carrier signal of 5-10 Watts is fotmed and -
aplificd. Amplifier stage 2 consisting cf an RE 025 XA tube is be;:,nd
the multiplier. Modulatir,n through a control grid and amplification of the
sip,nal to 300 Watts is accomplished in third stage 3 consisting of a push-
pull circuit made of the same tubes. The significant nonutilization of the
13
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i
~Utt 0~~'ICIAL U5L ONLY
~bw~r in the s~cond ~tuge Cubes m~li~s iC pds~ibl~ Co use ~ tank~ which
cuuses rel~eively ~re~t ~ttenuation bntwe~~~ sC~ges 2 gnd This insures
~e~bl~ ndnCrieicgl ~lignmenC of e~Ch ~Cage. ~
- Circul~?tor 4 ~s pl~ced beCueen modul~C~n~ sC~ge ~~nd fin~~. amplifier 5 ,
~nd ig ine~nd~d for their mutu~?1 d~cou plin~. The ~in~l stage consists of
an R~ SXN CeC~ode using ~ circuiC aith ~ grcw nd~d grid providin~ ~mp1i-
ficaCion eo 2.5 kw.
The video signal is ~ed fram ehp dsciiluenr eo th~e C~~nsisCnrized mndulator ~
input and re~?ches ~ pe~k of 60 w~tts at Che modulatnr outpuC. ModulaCion -
directly on the Cnrrier frequency i~ accnmplished ~at ~ sufficienCly hiph
- power lpvel. The resulC achieved shnuld b~ considered very good for
Cr~nsmitCers of Chis t~+p~. Her~ Che gt~Cion's high frequenCy tract h~g
only ~ Cube ~Cages and only 2 tube sCa~~s in Chp audio tract.
The tr~nsmiCtrr's audio Cract is analogous to Che picCure tracC. Beyond
Cube prclimin~ry sCagc 8~ttd final stage 9 modulaCed in frequeney ~pproxi-
mately 3UU watts poaer is achieved on the audio carrier.
In Che ATEtS-5/1 'T'J sCaCion tFi~ure 3) Che picture ~nd ~,udio signals ~rc
fed to the oscillt~tor via Che input lines block (BVL), Where Che qualiCy
und prr.sence of Chese signals are moniCored. Thxs block has a d~vice for
automatic cutting in of the station When the program signal is fed to its
input and for cutefng it off five rainutes after the progran+ ~ignal is removed.
r-----~
( ~c ac ~
I I e(a) y I~ ~ ~
~ ~
_ ~ 3 ~ I mr e~ M~ ~ev ~r I
mr mr
. I ~
1 i ~ a y (a)~ i Z~ ~
~ ~ ~ I 3RQ (e) ~ ~ ~ i
~ ( ( ~
~ y I~ ~
_ ( ~ ~ ~ g f ~ ~ (
~ ~ I 8o~6y~ Co~6yB. i ~ ( -
~ I~ ~
! L-----~
~i~g~ 6Bn ~6~ 6en
BuOto Ms~ta 1Q �a N~ni ~
h) ~
Pigure 3. Sttvctural Schematic of an ATRS -S/1 TV Station. _
(a) - harmonic filterf (b) - u pper frequency �ilter:
(c) - signal analyzer: (d) - adding bridge; (e~ - 3 kW;
(f) - oscillatorf (g) - input line blocki (h) - audiof
(i) - videoj ( j) - gauge� 14
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~
~'nit d~~ICIAL 115~ dNLY
_ Th~ modul~tied p~.Ceure cgrrier si~n~l i.s ~ed i'rnm rhe nscill~tior oue(~ut
vi~ u coupler (UK5) Co the inpuCs of Z pawer ~?nplif ier subassemblies. -
Th~ pictu~re tract in eac:h sub~ssembly cone~ins 2~ube SCt~~,@S=
penultimaC~ 1 m~de df CeCrade CU-74I3 and ~ingl ~ made of
C~trod~ GU-73~.
Ci~CUl~tdr ~ is cuC in beCW~en Che c~sC~des Co provide mutual decoupling.
'The E'M audio cerrier signal via a coupler (UK4) is ~ed to the in~?ts of -
fin~l.pow~r ~tnplifier~ 4 cnn~Cructed in ~ m~ntter un~ingdus tn ge~ge 1.
H~rmdnic f~1lCers (~G) have b~en insC~lled in the A'T~5-5/1 and itt ~he
'Lnn~-II at Ch~ input a~ Ch~ picCure ~nd ~udio channels in E~C~1 ~ub~ssembly
in order L~4 r~duc~ them by aC 1~~?sC 60 db. `
One di the chief advanCages of Che ATRS-5/1 'TV stutiion is Che ~bility
- to oper~Ce wiChauC Che continual presence of servicp personnel. Amon~
the spaci~l feaCures of Che sCation's design is the use nf mndulbtidn -
at a small level of the radfo frequency sign~l and on ~ 1c~w~r inCer~n~di~Ce
frequency with subsequent shifCing of Che spectrum d~the oper~eing ~requenCy
channel set aside for ~1~OAdC~SC. The station envisinns auComated monitoring ~
of basic p~rameCers, which control Che sCand-by system and oChers.
This sCation h~s Ch~ capabiliCy of selectin~ automatic, remote, or local
_ (manual) control.
In Lhe �irst instance personnel do noC become involved in stati.on operation.
It cues in afCer receiving ~he program signal aC its input (the trig~er
reacCs to Che presence of Che sync pulses in the CransmiCted signal).
If the program signal drops the transmitter operaCes for S minuees in the
black ~re~ transmission mode attd automatically cuts off if the signal re- -
m~ins absent. The entire station as well as Che oscillator assemblies and
power ampli�ier subassemblies are cut in and cut off in Che remoGe control
mode. Given local control sCep-by~step (uniC-by-uniC) control af the
station and feeder switches is accomplished.
The basic parameters of the ouCput signal are automatically monitored by
signal ~nalyzers (AS) in each subassembly= the poWer output level in the
audio channel and pieture channel (other than peak power ouCput), the
relative peak-to-peak value of the synchronization signals, background
level, presence of modulation, and unmodu laCed carrier level. The corres-
_ ponding output poWer subassembly automatically cuts out if one of the sig-
nal analyzers registers a deviaCion in these indicaCors from the assigned ,
tolerance. If such a deviation is simultaneously registered by two signal
analyzers, this signifies a fault in an operating oscillator assembly. In
this rvent a spare oscillator is cut in With the aid of cou plers (UK4, UKS).
I� an increase in failures occurs the failu res are registered but the equip-
mcnt do~s nnt cut nff.
'f1u~ A'tftS-~/1 'fV statiun includes new monitoring and measuring equipment of the
Yakh~nt (Figure 4) and SKZ-27 type. Use of this equipment makes it possible
to carefully measure qualitative indicators in the picture and audio channels.
15
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FOR ~~~ICIAL U5~ ONLY
' a,
t , - I
~ ~ i"'~~ �.1
4 ~ ~ ~ ~ ~ :
_ A~~ ( , . w. ` " ,
~,~`c~_: ,I~II~M~M�...
~~.:...,...k ~ Z ~ '
~ � , A
' ~A'.,t ~a ` P ~~r~~ ~ / 1S .3. � ti'
W~..,."~~ i~ ~ ,r.r~ "
~ / 'r t
W ~ ~ l J
^x � ~ ~ ? . ~ . ~ i ~ ~ E 4 � !.i Y . Y I -
~ . tz�
� `:y , .
~.e,~. ~5:~'
t~, f , ~ } ,
k/oi1~11,~ ~ S ~L �f? .~L1 '
A ri ^ ~ i .ti~ =t,~ .
..t :C'~ ~t; ' ~ .
~ `
. ' t~ � ~ ~ . ` ti~ '.~i, ~ ~ i'
� S .
� � . t ~,i ~
. . ~ ~ + ~ . ~
~1 n ~~J ~ �~~1
~ ~ .
F~~ "
~yL~. .
�
Figure Yakhont Monitoring and Measurement Complex.
- ExperimenCal models of Che Zona-II and ATRS-5/1 TV stations were installed
for tcsting in 1976 at the radio and television stations (RTS) in the -
cities of Orel and Volgograd. Results from operatYng the Zona-II TV
staCion in Orel, as well as know-how in operating the firsC series-
- produced models,indicated hi~h equipment reliabiliCy, parameter stability~
and ease in mainCenance. Testing of ATRS-5/1 TV stations continues. _
The television stations described are among the be~t ira operaCion in our
country and are being introduced more widely into the Cransmitting network.
By early 1979 approximately 20 2ona-II television stations aill be installed =
- aC the RTS in various cities. ~eries production of ATRS-5/1 TV stations
will begin soon.
CUPYRIGHT= Izdatel's~vo "Svyaz"', "Vestnik svyazi", 1978
7869
(SO= SSUU
16
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I
- ~Oit O~~ICIAL US~ ONLY -
= INTERNATIONAL AFFATR5
PARIS-BONN TV SATELLITE CONSTRUCTION D~IiAT~D
- P~ris AIR & COSMOS in French 3 Feb 79 p 36
(Article by Pierre Langereux: "Will Paris and Bonn B~.~ild tt Direct TV Broad-
caeting Satellite?")
(Text] The ~:uropean H-Sut direct television broadcasC saCellite pro~ect is
stymied. 'Tt~e preliminary pro~ect definition study conducted by the Euro-
satellite conaorCium--~Aerospatiale, M&B [Meeserschmitt-Boelkow-Blohm], and -
- ETCA (Aerodpace Engineering and ManufacCuring Company of Beliguml--under a
European Space Agency (ESA) conCract of approximaCely 6.5 million dollars,
was submitted to the agency in December 1978. In January, ESA recommended
that work on the project be continued. Thia reco~mnendation waa totally =
re~ected by the two major interested parties, France and Germany. _
In France's view, development of a national or European direct TV b~road- ~
caeting satellite, or France'~ participation in such a pro~ect, ie linked to
a much broader context involving necessary expenditures for other higher _
priority national apace projects such as the SPOT earth resources observa-
tion satellite and the Telecom-1 satellite. Germany, on the other hand, no
longer has a large national project of its own and sees an opportunity to
aseume leadership of an operation offering attractive export prospects for
iCs induatry. fhis ia why Bonn advocates direct conatrucCion of an opera- -
tional 'TV broadcasting satellite inatead of firet going through the stage
of building an experimental satellite like the H-Sar. Hence intereat in
the European pro~ect has greatly diminished. Especially sic~ce Germany has
already completed ita own atudy of an op~rational direct TV broadcas[ing
satellite, namely the TV-Sat pro~ect. A detailed p~~posal for this satel-
- lite was aubmitted to Volker Hauff, the FRG's miniater of research and
technolugy, on 18 December 1978. ~
The proposal Was the result of a 6-million Deutsche mark definition study
funded by the BMFT [Ministry of Research and Technology] and conducted by
the German fiama AEC~Telefunken, Dornier System, ERNO, and SEL, with MBB
as prime contractor.
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~
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- The German pro~ac~ ca11s for a geaeynchr~nous saeellite weighing about 1 Con.
- It would have a eransmiCting power of 235 watts per channel--aupplied by a
3-kilowatr solar generator--capable of transmitting color ~'V programa di- _
- rectly to small communiCy or individual receivere equipped wieh aneennas �
. only 70 to 90 centimeters in diame~er. The saCe111Ce is of modular design,
usea a platform (bus) wiCh a life of 10 yeara o~~ained by a three-fold
redundancy for electronic componenea ~nd elecCric ChruaC units for aCtitude
control. The eatelliee ia also ~quipped with a combined bipropellanC pro-
pulaion system derived from th~ one developed by MBB for tlye U.S. probe,
- Ga1111eo.
'Che proposal aubmitted to the BMFT by MBB calls ~or development of the TV-
Sat beCween mid-1979 and end-1982 eo Chst it can be launched in 1983 and
broadcast TV programs on German territory over three channels. Operational
- f ive-channel aervice would begin in 1986. At least one channel would be used
to relay 16 radio programa and two othera would be allocaCed to the two prin- _
cipal German TV networka (ARD and 2DF), thus leaving two channela available
for new services.
_
Configurati~n of TV-Sat with ita central unit fitCed with antennas and two
large 3-kw eolar panela (partly cropped on Che drawing]
COPYRIGHT: AIR & COSMOS, Paris, 1979
8041
CSO: 5500 END _
18
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