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Desktop Shortwave receiver
HF Transceiver
Desktop ULF/VLF Receiver

General

HAM bands 80m  40m  20m  2000m  160m  80m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  10m  2000m 
Freq. stability ? ? ?
Tuning steps Continuous ? Continuous

Receiver

RX-range 0.1-0.4 / 2.5-20 MHz 160-10 m + WARC 15-500 / 500-1500 kHz (2 ranges, 7 bands)
Modulations AM   CW   CW   USB   LSB   RTTY   AM   CW   FSK  
Sensitivity ? 0.35 µV for 10 dB S+N/N 6 µV
Selectivity ? SSB: 2.4 kHz
CW/RTTY: 400 Hz
?
Filters ? 400 Hz optional 0.1 / 1 / 2 / 4 / 8 kHz
Receiver system ? Single conversion superheterodyne Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes)
IF-freqs. ? 9.00165 MHz ?
Image rejection ? ≥ 60 dB ?
Audio output ? 3 W into 4 Ohms 500 mW unbalanced, 10 mW balanced

Transmitter

TX-range - 160-10 m + WARC -
Modulations - CW   USB   LSB   RTTY   -
RF-output ? 100 W on all bands ?

Connections

Antenna Clamps / screws SO-239 Proprietary
Impedance 100Ω 50Ω 125Ω
Other - - -

Electrical

Power req. Separate PSU 12-14V DC Mains (115/230 V AC)
Current RX ? 1.8 A 250 W with oven on, 150 W when oven off
TX - 20 A max -

Physical

Manufactured Between 1939 and 1945 in USA Between 1980 and 198x in USA Between 1951 and 19xx in USA
Dimensions ? 362 × 162 × 337 mm
(14.25 × 6.38 × 13.27 in)
483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
Weight 33.00 kg (72.8 lbs) 10.60 kg (23.4 lbs) 37.20 kg (82.1 lbs) including power supply PP-621/URR
Form factor Base Station Base Station Base Station

Other features

Memories None None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? Full QSK
VOX
Noise blanker
Break-in CW
IF-gain adjust
RF-gain adjust
Operating altitude up to 10,000 feet
Accessories ? ? ?
MPN HAMMARLUND-SP-000210-LX SWAN-(CUBIC)-ASTRO-000103 COLLINS-R-000389/URR