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Desktop Shortwave Transmitter
Desktop Shortwave Transceiver
Desktop ULF/VLF Receiver

General

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

Receiver

RX-range - 10-160 m + WARC 15-500 / 500-1500 kHz (2 ranges, 7 bands)
Modulations - AM   FM   CW   SSB   AM   CW   FSK  
Sensitivity ? ? 6 µV
Selectivity ? ? ?
Filters ? ? 0.1 / 1 / 2 / 4 / 8 kHz
Receiver system XTAL ? Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes)
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? 500 mW unbalanced, 10 mW balanced

Transmitter

TX-range 80-10 m 10-160 m + WARC -
Modulations AM   CW   AM   FM   CW   SSB   -
RF-output 20 W SSB/CW: 100 W, AM: 25 W, FM: 50 W ?

Connections

Antenna - SO-239 Proprietary
Impedance 50/600 Ω 50 Ω 125Ω
Other - - -

Electrical

Power req. Mains Mains Mains (115/230 V AC)
Current RX - ? 250 W with oven on, 150 W when oven off
TX ? ? -

Physical

Manufactured Between 19xx and 19xx Between 198x and 19xx Between 1951 and 19xx in USA
Dimensions ? 370 × 157 × 350 mm
(14.57 × 6.18 × 13.78 in)
483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
Weight ? 17.00 kg (37.5 lbs) 37.20 kg (82.1 lbs) including power supply PP-621/URR
Form factor Base Station Base Station Base Station

Other features

Memories ? 12 channels in 1 bank(s) None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? CAT system Operating altitude up to 10,000 feet
Accessories ? ? ?
MPN HAMMARLUND-FOUR-000020 YAESU-FT-000980 COLLINS-R-000389/URR