Receiver-Transmitter RT-70/GRC
MILITARY U.S. (different makers for same model)
- Country
- United States of America (USA)
- Manufacturer / Brand
- MILITARY U.S. (different makers for same model)
- Year
- 1951–1960 ?
- Category
- Military Transceiver (TRX)
- Radiomuseum.org ID
- 133697
made by Philips Telecommunication
German version
German version
German version
VRC-7 thanks to Johan PA3GER
Funkstation VRC-7, RT-70 mit AM-65
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 19
- Main principle
- Superhet, double/triple conversion; ZF/IF 15000/1400 kHz
- Wave bands
- VHF incl. FM and/or UHF (see notes for details)
- Power type and voltage
- Powered by external power supply or a main unit. / 6 / 90 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Receiver-Transmitter RT-70/GRC - MILITARY U.S. different makers
- Shape
- Boatanchor (heavy military or commercial set >20 kg).
- Dimensions (WHD)
- 200 x 135 x 330 mm / 7.9 x 5.3 x 13 inch
- Notes
-
Army transceiver in air tight aluminum diecast housing, painted dark green.
Frequency range 47 - 58,4 MHz, two mechanically locked fixed frequency channels, FM, Pout 0,5 W.
Uses 6V heaters and 90V plate power, can be powered from vehicle battery using PP-281/GRC (for 12 V) or PP-282/GRC (for 24 V) multivibrator module in the AM-65/GRC power supply / audio amplifier cabinet.
Internal switch selects tank / vehicle / field field use to adjust output for different antennas. Extremely robust design, modular internal design.
Enclosed schematic printed on pure white silk, so if you open it on rain nothing will happen.
This unit of american origin has been built by contractors in several NATO countries. The RT-70/GRC was used as a component of several radio-systems:field set PRC-16 with battery-box CY-590/GRC, vehicular set VRC-7 with AM-65/GRC, or as a part of larger radio systems GRC-3 to GRC-8. The RT-70A/GRC variant has a different filament-circuit.
- Net weight (2.2 lb = 1 kg)
- 7 kg / 15 lb 6.7 oz (15.419 lb)
- Literature/Schematics (1)
- TM11-290 1957. TDv 5820/006-13 1959.
- Author
- Model page created by Sinisa Trlin. See "Data change" for further contributors.
- Other Models
-
Here you find 393 models, 345 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from MILITARY U.S. (different makers for same model)
Collections
The model Receiver-Transmitter RT-70/GRC is part of the collections of the following members.