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Desktop Shortwave VFO
Desktop Shortwave receiver
Marine Shortwave receiver IMR54

General

HAM bands ? None  ?
Freq. stability ±15 ppm from +5 to +55 deg. C ? ?
Tuning steps ? Continuous ?

Receiver

RX-range - 150-4500 kHz in 4 bands
88-108 MHz
15 kHz - 31 MHz in 10 bands
Modulations - AM   FM   CW   AM   CW  
Sensitivity ? ? 15-160 kHz: 4-20 µV (10 dB S/N)
160-1500 kHz: 6-10 µV (10 dB S/N)
1.5-4 MHz: 1.5-3 µV (10 dB S/N)
4-10 MHz: 2-6 µV (10 dB S/N)
10-31 MHz: 2-10 µV (10 dB S/N)
Selectivity ? ? Wide, Intermediate, Narrow and Very narrow settings.
500 Hz ... 25 kHz
Filters ? ? ?
Receiver system ? ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? 1 W

Transmitter

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

Connections

Antenna - TV-antenne -
Impedance ? 50Ω 72Ω
Other - - -

Electrical

Power req. 11-16V DC 12-32 V DC, 6×1.5 volt battery Mains (110-250 V AC)
Current RX - ? 82 W
TX ? - -

Physical

Manufactured Between and Between 197x and 197x in Denmark Between 1952 and 195x in Great Britain
Dimensions 173 × 115 × 330 mm
(6.81 × 4.53 × 12.99 in)
350 × 230 × 180 mm
(13.78 × 9.06 × 7.09 in)
747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
Weight 1.63 kg (3.6 lbs) 9.00 kg (19.9 lbs) 60.90 kg (134.4 lbs)
Form factor Base Station Mobile Base Station

Other features

Memories ? None ?
Usage Amateur / Ham radio operators Marine / Navy Marine / Navy
Features ? Direction Finding facility
FM broadcast band readout in small window at the bottom of round dial window
Automatic volume control
Accessories ? ? ?
MPN DRAKE-RV000075 SAILOR-R000109 EDDYSTONE-000700