Kolekcija vojnih radio uređaja - Collection of military radio equipment

 

  9a2us home             army radio galerija           prc-515 9a2us         9a2us story  


Hvala prijateljima na radio uređajima koje su donirali za moju kolekciju:

 

 9a2cb Vlado - Đakovo  , 9a3li Darko - Križevci ,  Radoslav Prica -Tigar 1gbr – Zagreb 9a6nvi Igor – Sisak , 9a7kia Mijo – Glina , 9a7pat Vlado – Sisak ,  Zvonko  9a3uv – Ivanić Grad  ,9a7pxx Ante – Cista Provo , 9a4yy Slavek  - Lonja , T92pvz Mirso – Kljuć  ,

S52pc Mirko – Slovenija  ,  T94ex Dino – Tuzla  , Yz4td Đuro – Banja Luka ,  Milan Šuput - Boxi 9a3amq - Donja Bistra  ,   9a6aqk Branko – Samobor ,  9a6nns Dubravko ,  Juka 9a7ksj  -Ogulin ,  Zvonko 9a6gzc – Glina  , E70XK Bibo - Bihać ,  Ivan Horvat - 9a9hi , 

Darko - 9a6arp - Zagreb ,  Kruno 9a4kh - Zagreb , Slavko - 9a2bo Koprivnica  , Josip  9a2dc -  Rab, Krešo 9a2pq  , Sejo E74nl  Mostar , Dejan  Kruševac, Mladen - Krapina ,  Filip Zagreb , Davor 9a2no - Turopolje....  ekipi iz RIZ-a Profesionalna elektronika Zagreb ,  te ekipi iz Agencije za

 Telekomunikacije  !

 

Kolekcija 2014  Codan 2014  Collins 851s1  Collins 51s1  Collins 2015  Lorenz FUG10 Junkers Ju 88  Lorenz FUG10 tube  BC-654  CW key  Yaesu  Pospremanje 2014

2016 BC radio   -  NOVO !!!

 

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Merod MA-4248 

  

 

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TEST SET 2016

 

TS-147D/UP                                                   TS-148/UP

    

    

    

Nik Križevci

test set 9a2us photo

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TRC-20H - digital version PRC-515

 

 

 

 PRC-515  &  RU-20

            

        

     

         

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      RPRU 5/1 prijemnik  - Receiver PRC- 515 - extreme rare !!! I have 10 receiver in my collection

     

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COLLINS TCS RADIO - TCS-5

 Receiver COL-46159 ( serial nr: 3653 )   /  Transmitter  COL – 52245 ( serial nr : 845 )  -  COLLINS RADIO COMPANY  IOWA 8/11/1943

  

  

 

 

TCS-12  - Serial Nr. 17245  ,  Serial Nr. 16909 ,  - 8. 2015

The Navy type CMX-46159 is better known as the TCS-12 receiver. The TCS was designed by Collins and used, along with its matching transmitter and a power supply, during World War II on LST landing craft, P-T boats, and a variety of other smaller boats as well as on-shore applications. This unit was assembled for Collins . Frequency coverage is 1.5 to 12 MHz in three ranges. The receiver may be tuned and operated with either a variable master oscillator or at fixed frequency using one of four switch-selected pluggable crystal units. Each of those crystal units contains two crystals. One crystal is at 455KHz higher than the selected frequency for the superhet oscillator and the other is at the selected frequncy for use in spotting. The receiver has 7 tubes including a 12SK7 for RF amp, two 12SK7 for IF amps, 12SA7 for converter, 12SQ7 for detector and BFO, a 12A6 for master and crystal oscillator and another 12A6 for audio output. The antenna for which the TCS is designed is a 20 foot whip. Connections to the transmitter, power supply and accessories are by an 11 pin connector.

Transmitter 52245 :

-The transmitter consists of a VFO / Buffer - Doubler / PA with an integral push-pull modulator, there is provision for four switched crystals as an alternative to the VFO.

Frequency Coverage : -
1.5 to12.0 Mc/s in 3 bands.
Band1
: - 1.5 to 3.0 Mc/s.
Band 2 : - 3.0 to 6.0 Mc/s.
Band 3 : - 6.0 to 12.0 Mc/s.

Receiver 46159 : -

-This is the companion receiver to the transmitter mentioned above, the Frequency range is identical.
The size, panel layout and construction are very similar to the transmitter (52245).

The Receiver is a conventional seven-valve superhet, the valve run is as follows : -

 

Info & download manual : http://www.navy-radio.com/xmtrs/tcs.htm

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Sailor RT144

Poklon od Filipa  - 10.2015

 

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AN / VRC-7

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E-430

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PRC-77

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Hallicrafters Model S-20R

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Racal BCC 66HE

Poklon od Ivice Horvata …1.12.2011

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                                               RUP-15  &  PD-8        

                                       Poklon od 9a6arp

 

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                                             RUP-12

                                    

 

VHF radio set type RUP-12 was manufactured in "Rudi Čajavec - Banja Luka" factory (ex Yugoslavia) in 1966. and was replaced pre-existent tactical VHF radio stations low power BC-1000, RUP-1, RUP-2 and other developed in the tube technology. The formation of units in Yugoslav People's Army RUP12 was a basic radio device captain of infantry companies, and with this device is implemented also VHF radio links in the higher headquarters, where is assembled in various radio-telephone, radio teleprinters and other systems. He has worked in the frequency range from 30 MHz to 69.95 MHz with frequency modulation to 800 of the channel. The frequency was controlled by the direct frequency synthesizer and it was set with three selectors in steps by 50 KHz. Output power transmitters was from 0.9 to 1.8 W. He was powering on with DC voltage of 12 V. At the beginning for powering on 12 VDC - 6 Ah lead battery or dry battery BAJ-13,5 (13.5 V). Later, power on was performed from 12 VDC 7 Ah NiCd batteries, production of "Krusik" Valjevo factory, or external source of 12 VDC or 24 VDC through converters PT-6. On the receiving device was consumption 85 mA and on the transmitting about 750 mA. Weight data sets is 12 kg. Link range of RUP-12 was depend of used antennas and the place of setting. In the valley, with a long rod antenna was 8 to 12 km. Connecting the two devices RUP-12 with the appropriate adapter and their setting to a sublime place could form amplifier station (radio repeater) and increase the link range between outerly devices. He has done automatically or manually, depending of the signal of outerly devices RUP-12, because he has activated a signal from the squelch system. .  RUP-12 was made completely in transistor technology and they were of mainly Yugoslav production. Receiver sensitivity was 1.2 μV. Limited of bandwidth in intermediate frequency was amplifier by crystal filter 10.7 MHz made in the Institute "Mihajlo Pupin" and it was getting good selectivity of + / - 15 kHz. Deviation of working frequency from transmitters from the set, was less than + /- 2 kHz. Portable radio device set Rup-12 consisted of transceiver type PD-7, sources of electricity (batteries), carrying bags type TB-17, accessories for serving (handset MK-1 and headphone SL-1) and three antennas (long rod type AT-17, short rod type AT-19 and wire antenna type AT-18 on the principle of progressive waves). Vehicle set, along the parts that are in portable set, more contains transistor converter type PT-6, rod antenna AT-7 and other equipment for installation in the vehicle. Technical Specification: Frequency Range: 52 - 59.95 MHz, Output Power: 1.8 W; Modes of Operation: FM; Power Requirements: 12 VDC 7 Ah NiCd battery

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                                              RUP-2/2K              

                                     

 

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                                                  RUP-1                        

                                    

 

Radio set RUP-1 had the frequency range from 38 MHz to 54 MHz and Radio set RUP-2 from 27 MHz to 39 MHz. Type of the modulation FM and change of the frequency with variable frequency oscillator (VFO). Transmitter’s power output was about 0.5 W. He was powering on with 4.8 VDC from the two "steel" batteries (as electrolyte used potassium hydroxide) over the transistor converters type PT-1 power 20 W, which is providing the necessary DC of 90 V, 120 V and 150 V DC. Alternatively, could be used dry battery type BAJ-70 (given the DC of 4.5 V, 60 V and 90 V DC). As at U.S. BC-1000, a microphone and headset are switch-fuse in separately with 6.3 mm plug. The device was made in technology of electronic tubes. Radio sets RUP-1 (B) and RUP-2 (B) packed in three mutually shift lock associated metal box. In the upper was the tranceiver, in high voltage converter type PT-1 with two "steel" batteries and in the bottom microphone, headsets, cables and accessories. Mass of the set was 19.5 kgTechnical Specification: Frequency Range: RUP-1 38 - 54 MHz and RUP-2 27 - 39 MHz, Output Power: 0.5 W; Modes of Operation: FM; Power Requirements: two 2.4 VDC "steel" batteries .

 

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                                                 RUP-3                     

                                    

 

VHF tranceiver RUP-3 is produced in the beginning of the '60-years in "RIZ Zagreb" factory (ex Croatia). He is made for the maintenance of the radio-telephone connection to the shorter distance (from 0.5 km to 3 km depending on the configuration of the ground). He served of the primary radio device for leader of infantry platoon Yugoslav People's Army.  Technical Description: Frequency range from 52 MHz to 60 MHz on five channels controlled quartz crystal. Tipe mode - FM (frequency modulation). Transmitter power output of 0,3 W. Powered by in the first years with two steel accumulator 9 VDC or 4 batteries of 4.5 VDC , and later with two 8.4 VDC 500 mAh NiCd batteries type 7ACH-1. It was made in the technique of germanium transistors of Yugoslav production. Set of the device consisted: tranceiver, rod antenna type AT-9 made of steel bar, wire antenna type AT-10 from the isolated coppers glance wire length of 4 m to achieve greater reach (was set only at the beginning of production of the device, and later was dropped as unnecessary), handset type MK-2, sources of electrical energy, bag for carrying type TB-5, belt for carrying and spare crystals in the box. Technical Specification: Frequency Range: 52 - 60 MHz, Output Power: 0.3 W; Modes of Operation: FM; Power Requirements: two 8.4 VDC 500 mAh NiCd batteries .  

 

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                                                RUP-33                     

                                  

Tactical VHF radio unit was manufactured in "RIZ Zagreb" factory (ex Yugoslavia) in 1978. and was a completely new solution in relation to the Radio set RUP-3. Also as RUP-3 has frekvency range from 52MHz to 59.95 MHz frequency modulation FM, but had direct frequency synthesizer and channel was choseing with three selectors. Transmitter output power is the same - 0.3 W. It is powered by two 8.4 VDC 500 mAh rechargeable NiCd batteries type 7ACH-1, produced in the factory "Krusik" - Valjevo (ex Yugoslavia), or in the far needy 4 of the 4.5 VDC battery . In the development of applied technology printed circuits, MOSFET transistors and integrated circuits. In the receiving part intermediate frequency amplifier there is a crystal filter Institute Mihajilo Pupin (ex Yugoslavia), which increased sensitivity and resistance to interference device. Set of the device consisted: tranceiver, rod antenna type AT-11, handset type MK-2A, sources of electrical energy, bag and belt for carrying.  Technical Specification: Frequency Range: 52 - 59.95 MHz, Output Power: 0.3 W; Modes of Operation: FM; Power Requirements: two 8.4 VDC 500 mAh NiCd batteries

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                                                   TUBE GI5B           

                    GI5B, pulse triode, oscillation, forced air, 6kW/1200kW in pulse, 27kV, 200MHz !    http://www.russiantubes.com  sve informacije o ovoj ogromnoj lampi teškoj 12 Kg

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                                            RTU-100  &  PD-6/S  

                                

RTU-100 .... PD-6 .... RTU-400

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                                        RT20TC6            

                               

 

RT-20-TC6 VHF radio device was produced by factory "Iskra" from Ljubljana (ex Yugoslavia), in 1972. The operate is in the frekvency range of 34 MHz to 36.5 MHz, with 6 crystal controlled channels. The modulation was SSB and CW and the transmitter output power was 20 W. It is powered by 12 VDC rechargeable 7 Ah NiCd batteries type 10KA-6, producted by "Krusik" Valjevo factory. In the Yugoslav People's Army generally is used for link beetwen Yugoslav Army units end Territorial defence units. Since its introduction to its cancellation, it hasn't been used much in the mobile links of the Yugoslav Army, because all other radio devices (RUP-12, RU-2, RUT-1...) were working in this range using frequency modulation (FM), so a mutual connection was possible only between these two RT-20-TC6 devices, or with other compatible devices, like radio sets type: RT-1-T4, RT-1-T600 and RT-20-TM produced by "Iskra" factory, but they were used in Territorial defense units. Technical Specification: Frequency Range: 34 - 36.5 MHz, Output Power: 20 W; Modes of Operation: SSB and CW; Power Requirements: 12 VDC 7 Ah NiCd battery

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                                        RT20TM                

                              

 

Technical specifications: Frequency range of 34 MHz to 36,995 MHz. The frequency is controlled by a synthesizer, in jumps of 5 kHz (600 channels). Modes of Operation - SSB telephony, amplitude modulated telegraphy (MCW) and frequency modulated telephony (FM). Output power of the transmitter is 20W (reduced 6W and 2W). Sensitivity of the receiver 1μV. The powered by 12 VDC rechargeable 7 Ah NiCd batteries. Weight of the set 30 kg. Technical Specification: Frequency Range: 34 - 36,995 MHz, Output Power: 20 W; Modes of Operation: FM, SSB and MCW; Power Requirements: 12 VDC 7 Ah NiCd battery

 

 

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                                            RACAL               

                                 poklon od Jure

                                                               antenna tunning unit                                                 AC 24 V power supply                            100 Wata linear amplifier

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                                                  RP-2M                             

                                

                                                 Poklon od 9a7kia Mijo

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                                                  CS-1                   

                             

                                                 Poklon od S52PC

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                                             RUP-4               

                                  Poklon od 9a4yy  Slavek

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                                              GRC-9            

                                      

 

HF radio set AN/GRC-9 was produced in 1950. year in the United States. Yugoslav People's Army was received this device as part of NATO help in 1952. In Yugoslav Army it was the basic HF device in infantry battalion for link with the regiment - brigade.Frequency range of the receiver and transmitter from 2 MHz to 12 MHz and in part from 2 MHz to 3 MHz it was reaching the upper part of the middle waves (MW). Types of modulation are CW (continuous-wave telegraphy) and AM (amplitude modulated telephony). He was having output power of transmitter from 20 W that has provided by strong pentode with direct heating 2E22 . Transmitter and receiver were separated, but they were in the same case. Before establishing of the connection, radio operator had to set frequency of receiver and transmitter to "zero" (on the same value). Complete radio set AN/GRC-9 was produced in the technology of electronic tubes in U.S. production. It was powering on from lead batteries from 6 VDC, 12 VDC or 24 VDC voltage over dinamo converters type DY-88, or vibrator converter type PE-237, but then the output power was lower. Charging the battery was performed by the generator RE-162S, and it could powering radio device in the "buffer action" with battery. Also in the set was manual generator GN-58-A-GY for charger of batteries. Receiver was powering on with a special battery type BA-48. Most of these devices were by the first general repair tinted in gray-olive colour of Yugoslav People's Army and labels were written in Croatian language. Part of the U.S. electronic tubes was replaced by equivalent Yugoslav production.Technical Specification: Frequency range: 2 MHz - 12 MHz; Modes of Operation: AM (amplitude modulation) and CW (continuous-wave); Power Requirements: 6 VDC, 12 VDC or 24 VDC voltage from lead batteries

 

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                                           AGREGAT US-ARMY  

                                   Poklon od 9a6nns Dubravka

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                                               PE-210 WILYS              

                                

                                 Orginalni agregat iz kompleta vozila Willys

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                                                  WILYS  9A3AMQ       

                               

                                                    Willys u fazi sastavljanja ( Milan Šuput - Boxy 9a3amq )

 

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                                                              PRC-320 L               

                                   

 

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                                           RACAL BCC-349    

                                     Poklon od prijatelja iz Iraqa

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                                                EDDYSTONE 5500     

                                                 Poklon od  9a3li             

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                                                     TORN E.B. 2014

                    

Poklon od Zvonka Kolakovića 9a3uv

In the introductory page, we emphasize that we will not describe the radio devices created before and during World War II, this HF radio receiver, produced in Germany in 1936. however, deserves to be found on this page. Receiver was mass produced for the needs of the German army, and in 1945. on this device was done more modification. (The device described here is a version from 1943.) In the arsenal of Yugoslav Army it was found as war booty in 1945. which is by the first repair in Yugoslav workshops winner had to emphasize with writing on the box:"captured 16962 devices". In Yugoslav Army receiver is used in conjunction with the transmitter or independently. The device was dropped from the fifties of the Yugoslav Army equipment. Radio receiver TORN Eb was intended for receiving AM telephony and telegraphy (CW) in the frequency range of 0.097 MHz to 7.095 MHz. This frequency range was divided to 8 frequency band that was chosen by the switch a fine set frequency was within continuous. By the construction receiver was super-reaction and in its was built 4 German vacuum tube RV2P800. The first tube was made from 1 VF intensifier, and the other from 2 VF intensifier, third AM detector and the fourth tube was AF intensifier .As in all other super-reaction receiver, receiver sensitivity and selectivity was regulated by the introduction of positive feedback couple that was setting with special button . The device was put in two metal container and in the top container was receiver, in the lower container was battery, vibrators converter, wire antenna and headphones. Device was powering on from battery voltage of 2 VDC - 0.8 A, over vibrators converter or anode battery of 90 VDC - 10 mA. There was versions in which was changed converter to ensure supply with voltage of 12 V from the installation of vehicle.Technical Specification: Frequency range: 0.097 MHz - 7.095 MHz; Modes of Operation: AM (amplitude modulation) and CW (continuous-wave); Power Requirements: 2 VDC battery or anode battery 90 VDC .

Kolekcija : http://www.laud.no/ww2/  - jedan od največih kolekcionara Njemačkih radio uređaja iz 2 sv. rata

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                                                 RT - 7 / PRC-2061       

                                            Poklon od 9a6aqk 11.02.2007     

The RT-7/PRC 2061 , frequency 26 - 75.975 MHz, is an FM manpack with 9 programmable memories, digital display. This radio is very similar to PRC77, but more modern. All solid states & works from stock PRC77 batteries.

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                                                          Harris RF-505 A    

                                          

 

 

                                                      Telefunken E-1501

                                         poklon od Milan - Boxy

 

 

                                                       Telefunken  E-148        

                                           Poklon od Zorana –Coki

 

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                               COLLINS 51S1                                     

           Kruno 9a4kh      

The Collins 51S-1 is a triple conversion general coverage receiver that covers 200 kHz to 30MHz in thirty 1 MHz bands in featuring AM, CW, LSB and USB modes. It features a precision frequency display. The ten MHz, 1 MHz and 100 Hz positon are displayed on an odeomter dial. The remaining two digits are derived from the analog scale. Supplied bandwidths include 5, 2.75 and 0.8 kHz.

Tube List: 5670 (1), 6AK6 (1), 6AU6 / 7543 (2), 6BA6 (4), 6BF5 (1), 6DC6 (1), 6EA8 (5), 12AX7 (2).
Semiconductor List: 1N1492 (3), 2N388 (1), 2N6373 (4), 1N34A (4).

Collins 51S-1 Receiver Specifications

The 51S-1 receives USB, LSB, AM, and CW signals in the range of 0.2 to 30.0 MHz. Coverage is continuous in thirty 1-megahertz bands. It is mounted in a perforated wrap-around cabinet similar to and compatible with the 75S3 and 32S3.  It is equipped with an AC power supply capable of 115- or 230-volt, single- phase, 50- to 400-Hz operation. The 51S-1A is similar, except that it is fitted with a 28-volt DC transistorized power supply. The rack-mounted AC version is designated as model 51S-1F. The rack-mounted DC version is designated as model 51S-1AF. The 51S-1B is similar to the 51S-1, but it has a rear-mounted junction box that provides military-type connectors for power, control, audio, and antenna lines.

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                                                     MARCONI ELECTRA

                                                ser. br. 240

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Moja kolekcija BC uređaja

        

                                  

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                                                               BC-669-B

                               

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                                                    BC-1000          

                                                       Poklon od 9a3amq   &  9A2cb Vlado                                      

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                                                     BC-348-R        

                                   Poklon od 9a3amq

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                                                     BC-620          

                                  Poklon od 9a2cb Vlado                     

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                                                       BC-659 PE-120     

                                                

 

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                                                     BC-654          

                                  Poklon od 9a3amq  

Radio-uređaj SCR-284-A proizvele su SAD 1944. godine, a Jugoslovenska armija ga je dobila u paketu vojne pomoći koju su joj pružile SAD po završetku II svetskog rata. Zanimljivo je da su SAD, pored Jugoslavije,ovaj uređaj uputile kao vojnu pomoć i većini savezničkih armija, pa se tada mogao naći i u sovjetskoj Crvenoj armiji. Ovaj radio-telefonski uređaj vojska SAD je zadnji put koristila u ratu u Koreji , i kasnije ga povukla iz upotrebe zbog zastarelosti. Primopredajnik BC-654-A se napajao jednosmernim naponom iz olovnog akumulatora napona 6V ili 12V, preko vibratorskog pretvarača oznake PE-104 (prenosna verzija), ili dinamo pretvarača oznake PE-103 (prevozna verzija). Prijemnik pri dežurnom prijemu se mogao napajati i iz anodne baterije BA-43. Obje verzije radio-uređaja SCR-284-A imale su u svom kompletu pribor za posluživanje (mikrofon, taster, slušalice i zvučnik), kablove za spajanje i napajanje, antene (štap i žičanu) kao i platnene omote i torbe za pakovanje i  prenošenje. Radio-uređaj SCR-284-A, u svoje vreme, važio je za veoma kvalitetan i kompaktan uređaj, čiju je osnovu činio primopredajnik BC-654-A  a zavisno od ostalog sastava kompleta razlikovala se prevozna varijanta za ugradnju u vozilo . Primopredajnik BC-654-A izrađen je u tehnologiji elektronskih cijevi i radio je u frekventnom opsegu od 3,8MHz do 5,8MHz amplitudno modulisanom telefonijom (AM) i nemodulisanom telegrafijom (CW). Frekvencija prijemnika i predajnika podešavala se odvojeno, kontinualno ručicom, i ako su bili smešteni u istom kućištu. Postizao je maksimalnu izlaznu snagu od 17W pri AM radu, i 24W pri radu CW telegrafijom.

Radio set SCR-284-A was produced by the United States in 1944. The Yugoslav Army have got this radio device in the package of military assistance that provided the United States after the World War II. It is interesting that the United States, have not just Yugoslav given this device as military assistance, the device could be found in the Soviet Red Army. This radio device the U.S. Army last used in the war in Korea , and later the army withdrew device from the use because of outdated. Radio set SCR-284-A, in its time, was known as very high-quality and compact device. The base of the device was made from transceiver BC-654-A .  Depending of the configuration of set their was the transport option for installation in the vehicle and pack unit for the transport by man or horses. Receiver BC-654-A was made in the technology of electronic tubes and it worked in the frequency range from 3.8 MHz to 5.8 MHz amplitude modulated (AM) telephony and telegraphy (CW). Frequency of receiver and transmitter was setting separately, continuous. They were placed in the same case. The device reached the maximum output power of 17 W at the AM modulation, and 24 W with the CW telegraphy. Receiver was superheterodyne with intermediate frequency of 455 khz . Transceiver BC-654-A was powering on with 6 VDC or 12 VDC voltage from lead battery, over vibrator converter type PE-104 (portable version) or dinamo converter type PE-103 (transport version). Portable version had in its set a manual generator type GN-45. Both versions of the radio devices SCR-284-A had in his set accessories for serving (microphone, Morse key, headset and loudspeaker), cables for connect and powering, antennas (rod and wired) and bags for packing and transporting . Technical Specification: Frequency Range: 3.8 MHz to 5.8 MHz; Modes of Operation: CW and AM; Output power of transmitter: 17 - 24 W; Power Requirements: 6 VDC or 12 VDC voltage from lead battery

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                                                 CODAN 8528 S              

                                              Poklon od Štefa iz Ferdinandovca

The Codan 85xx series of SSB Transceivers consist of three models;

8525A - 99 channels, Transmit to 18Mhz, Remote or Local Control. Will accept an 8558 autotune antenna with the
addition of an 8551 tuning box. This is a rather large add on box, and could also be used with earlier 7727 series
radios. The 8551 tuning box is hard to find. These radios are best used with a tapped whip antenna. Released in 1985

8525B - 99 channels, Transmit to 24Mhz, Remote or Local Control. These radios are capable of accepting an 8558
Autotune antenna. Earlier models used the 8551 tuning box, later versions used option AD, an internal tuner.

8528 - 501 channels plus 99 user programmable channels. Transmit to 24Mhz or 28Mhz with CB or Amateur option.
Local or Remote Control. Radphone capability. These radios will accept an 8558 antenna with option AD or the newer
9350 series of autotune antenna

A 8525B can be turned into an 8528 by simply changing the control head and using an 8528 EPROM.

Many options are available for these radios and include

USB/LSB operation
Amateur 28Mhz band
27Mhz CB band
CW (Morse) Key
Selcall , up to 4 digits
Tone call
RFDS emergency call (Australia only)
400 Watt PA (8528 only)

Marine versions of the 8525 and 8528 are available. They allow AM mode on 2182 Khz,
The Intenational Distress Frequency.

The 8533 is simply a re-badged 8528 specifically sold as an 'outback radio-telephone (rad phone)

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