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Professional HF Receiver
HF/VHF Surveillance Receiver
Desktop HF/VHF/UHF Receiver

General

HAM bands ? 15m  12m (WARC)  11m (CB)  6m  10m  4m  ?
Freq. stability ? ? ?
Tuning steps 0.1 kHz Continuous ?

Receiver

RX-range 0.01-30 MHz 20-80 MHz 2 ~ 20 - 1100 MHz
Modulations AM   CW   USB   LSB   DSB   ISB   FSK   AM   FM   N-FM   CW   AM   FM   CW   SSB  
Sensitivity ? AM ca. 0,5 μV
FM ca. 1,2 μV
?
Selectivity ? 4 / 10 / 50 kHz @ -6 dB ?
Filters ? ? ?
Receiver system ? Double conversion superheterodyne ?
IF-freqs. ? 10 MHz / 455 kHz ?
Image rejection ? ? ?
Audio output ? Requires headphones or external speaker ?

Transmitter

TX-range - - -
Modulations - - -
RF-output ? ? ?

Connections

Antenna - - -
Impedance 50 Ω 50Ω 50Ω
Other - - -

Electrical

Power req. Mains Mains (220 V AC) Mains
Current RX Max 60 W 16 W ?
TX - - -

Physical

Manufactured Between 1970 and 1987 in Sweden Between 1980 and 198x in USA Between 19xx and 19xx in USA
Dimensions 483 × 133 × 500 mm
(19.02 × 5.24 × 19.69 in)
483 × 90 × 478 mm
(19.02 × 3.54 × 18.82 in)
?
Weight 18.00 kg (39.7 lbs) 8.20 kg (18.1 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories ? None ?
Usage Commercial / Land mobile communication Military communication Military communication
Features Remote control
FSK demodulation option
? ?
Accessories ? DRO-290 Digital Nixie-tube display ?
MPN SRT-CR000302A WATKINS-JOHNSON-WJ-000521A-1 WATKINS-JOHNSON-WJ-008617-SERIES