The R-845M is a dual-band (VHF/UKV) radio station for communication in air networks. It is housed in a K 66N box body on a GAZ-66 chassis.
Frequency range: - 1st aviation band 100,000 - 149,999 MHz - 2nd aviation band 220,000 - 399,999 MHz
Source Let-51-70 - RTZ Systems and Devices, 1982 Edition II
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Poznávací značka / evidenční číslo
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Print size / 300 DPI
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Author Website
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Radiostanice R-845M v zodolněném postavení
(Foto z vlastního archivu)
URL : https://www.valka.cz/SOV-R-845M-letecka-VKV-UKV-radiostanice-automobilni-t47390#294146
Version : 0
Radio station R-845 is designated in the AIR system as the main radio station for transmitting guidance commands in two VHF radio channels or simultaneously not one VHF channel and one VHF or as a backup radio station for connection with VHF and VHF aircraft.
R-845 is an aircraft ground radio VHF/VHF station of medium power. The station consists of two separate sets of VHF/VHF in one car device.
The R-845 is located together with the AB-4-T/4000M1 generator in the GAZ-66 box body.
Antennas
2 disc cones (one 12 m on a telescope. Masts, the other 8 m on a folding mast). Distance between masts 20 m.
Main technical data:
Frequency range:
-100 to 149.999 MHz - 220 to 399,975 MHz,
Power: 40 W
Reach:
At a flight altitude of 1000 m 100 km,
10000 m 300 km, 20000 m 500 km.
Number of tunable channels: 10
Frequency spacing: 1 kHz,
Power supply: from mains 3x380 V, 50 Hz or from generator AB-4-7/4000M,
Power consumption: 2 kVA
Controls:
- local, from the central control panel, - remote, from the VPU controller by four-wire line up to 5 km or rdst R-407 to a distance of 5 to 20 km.
Source: Let-51-70 Systems and means of RTZ Brief description - regulation ČSĽA, Prague, 1982
Period
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Type
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Camouflage
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Country
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Production No.
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Poznávací značka / evidenční číslo
-
Tactical marking
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Name
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Unit
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Date (DD.MM.RRRR)
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Author
-
Print size / 300 DPI
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Published with authors permit
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Author Website
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Rádiová stanica R-845.
URL : https://www.valka.cz/SOV-R-845M-letecka-VKV-UKV-radiostanice-automobilni-t47390#337896
Version : 0
Reklama
Frequency range: - 1. air band 100,000-149,999 MHz - 2. 220,000-399,999 MHz
Type of modulation: AM, FM Power: minimum 40 W at AM and 80% modulation depth Power of 1 semi-compartment: 2 kVA Power supply voltage: 3x 400 V / 3x 230 V
Power source: - local from CPU - remote via VPU - line up to 5 km - R-407 up to 20 km
Receiver sensitivity: 1.5 - 2.5mV over the entire frequency range Construction time: 20 minutes (1 mast without VPU) Area for construction: 15 x 20 m Number of semi-complexes: 2 Capacity: 3 persons
Antennas: 2x disc cone antennas on 2 masts, one 9 m high, the other 12 m high
URL : https://www.valka.cz/SOV-R-845M-letecka-VKV-UKV-radiostanice-automobilni-t47390#184998
Version : 0
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Složení radiové stanice: 1. 2x Radiová stanice VKV/UKV 2. Centrální ovládací blok (CPU) 3. AntÉny: 3. a) Výsuvný stožár 12m s disko-kuželovou anténou 3. b) Skládací stožár 8m s disko-kuželovou anténou 4. 2x Radiová stanice R-407 pro dálkové ovládání (VPU) 5. Sluchátka, mikrofon, reproduktor 6. Polní telefon TA-57 7. 2x Bloky napájení 8. Elektrocentrála AB-4-T/400M 9. Příslušenství a náhradní součásti
Composition of the radio station 1. Radio station VHF/UHF 2. Central block control 3. Antenne: 3. a) Retractable mast 12, m and duo Disc-cone antenna 3. b) Folding mast 8 m and Disc-cone antenna 4. 2x Radio station R-407 for Remote control (VPU) 5. Earphone, microphone, speaker 6. TA-57 Field telephone 7. 2x Block supply 8. Power agregatte AB-4-T/400M 9. Accessories and spare parts
Zdroje: Sources:
Let-51-70 - Systémy a prostředky RTZ, vydání II. z roku 1982 www.valka.cz
URL : https://www.valka.cz/SOV-R-845M-letecka-VKV-UKV-radiostanice-automobilni-t47390#618105
Version : 0
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