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Frequency Measuring Receiver RA-78

Country:  Great Britain (UK)
Manufacturer / Brand:  Racal Engineering (Racal Instruments) Ltd., Bracknell
Year: 1960 ?? Category: Commercial Receiver (may include amateur bands)
Main principle Superhet, double/triple conversion; ZF/IF 40000/2500 kHz
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 100-125 / 200-250 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: Frequency Measuring Receiver RA-78 - Racal Engineering Racal
Material Metal case
Shape Rack
Notes Frequency measuring System used for ascertain the exact transmitting frequency of commercial transmitters and for scientific purposes.
System consists of RA-17 receiver, SA-535C digital (nixie tubes) frequency display, SA-77 Frequency Comparator (stabilisation), SA-538B Serialiser and ADDO-X/44E Printing System.
Frequency measurement accuracy 2 Hz, with optional MA-259 Frequency Standard improved accuracy < 1 Hz.
Variants: RA-78G European model, RA-78J European version with RA-137 LF Converter;
RA-78H American model, RA-78K American version with RA-137 LF Converter.
Mentioned in Racal Handbook, Rinus Jansen

Model page created by Martin Bösch. See "Data change" for further contributors.

All listed radios etc. from Racal Engineering (Racal Instruments) Ltd., Bracknell
Here you find 105 models, 50 with images and 11 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.