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Marine Shortwave receiver
Communications receiver
Desktop VHF receiver

General

HAM bands ? ? 2m 
Freq. stability ? ≤ 0.5 % Drift less than 0.003 of 1% per °C and less than 0.003 of 1% for a 5% mains voltage change
Tuning steps ? ? ?

Receiver

RX-range 130-3750 kHz in 3 bands 480-165 kHz / 1.7-4.5 / 4.5-12 / 12-32 MHz 19-165 MHz in 6 bands
Modulations AM   AM   CW   AM   FM   W-FM   CW  
Sensitivity ? ? Better than 5 µV (S/N 15 dB)
Selectivity ? ? AM/CW: 50 kHz @ -40 dB
N-FM: 80 kHz @ -40 dB
W-FM: 175 kHz @ -40 dB
Filters ? ? ?
Receiver system Superheterodyne Double conversion superheterodyne Single conversion superheterodyne
IF-freqs. 127 kHz ? 5.2 MHz
Image rejection ? ? ?
Audio output 1 W External speaker or headphones required 2.5 W

Transmitter

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

Connections

Antenna - Clamps / screws -
Impedance 70Ω 70/80Ω 72Ω
Other - - -

Electrical

Power req. 12 V DC, 24 V DC optional Mains (110 / 200-220 / 230-250 V AC) Mains (110 / 200-240 V AC)
Current RX ? ? 90 VA
TX - - -

Physical

Manufactured Between 1950 and 195x in Great Britain Between 1950 and 195x in Great Britain Between 1963 and 196x in Great Britain
Dimensions 425 × 222 × 254 mm
(16.73 × 8.74 × 10.00 in)
? 425 × 222 × 346 mm
(16.73 × 8.74 × 13.62 in)
Weight ? ? 23.60 kg (52.1 lbs)
Form factor Mobile Base Station Base Station

Other features

Memories ? ? ?
Usage Marine / Navy Military communication Amateur / Ham radio operators
Features ? BFO
S-meter socket for Cat. No. 669
?
Accessories ? ? ?
MPN EDDYSTONE-000720 EDDYSTONE-000750 EDDYSTONE-000770R-MK.-II