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Desktop Shortwave Transmitter
Desktop Shortwave receiver
Ham Radio RF Preselector

General

HAM bands 80m  40m  20m  15m  11m (CB)  10m  ? 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m 
Freq. stability ? ? ?
Tuning steps Continuous ? Continuous

Receiver

RX-range - 255-525 KHz / 1.5-30.3 MHz 1-50 MHz in 4 bands
Modulations - AM   CW   All mode  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? 14 tubes ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 10-80 m - 1-50 MHz in 4 bands
Modulations AM   CW   - All mode  
RF-output AM: 60 W (input), CW: 75 W (input) ? ?

Connections

Antenna - - SO-239 + RCA (Tulip)
Impedance 50/75Ω 60 Ω ?
Other - - -

Electrical

Power req. Mains Mains 9-18 V DC
Current RX - ? ?
TX ? - ?

Physical

Manufactured Between 19xx and 19xx in USA Between 195x and 19xx in Germany Between 19xx and 19xx
Dimensions ? 550 × 355 × 407 mm
(21.65 × 13.98 × 16.02 in)
?
Weight ? 38.00 kg (83.8 lbs) ?
Form factor Base Station Base Station Base Station

Other features

Memories None ? None
Usage Amateur / Ham radio operators Marine / Navy Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HEATHKIT-DX-000040 SIEMENS-000745-E309B MFJ-001045B