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HF Receiver
Desktop HF/VHF Receiver
Desktop Shortwave receiver

General

HAM bands 80m  60m  40m  30m (WARC)  20m  17m (WARC)  2000m  ? ?
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 0.1-0.4 / 2.5-20 MHz 0.5-35 MHz 540-1600 kHz / 3-10 MHz
Modulations AM   CW   AM   CW   AM  
Sensitivity ? ? 20 mV (10 dB S/N)
Selectivity ? ? 8 kHz (-6 dB)
Filters ? ? ?
Receiver system ? ? Single conversion
IF-freqs. ? ? 455 kHz
Image rejection ? ? ?
Audio output Internal speaker ? ?

Transmitter

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

Connections

Antenna Clamps / screws - Clamps / screws
Impedance 100Ω 50/75 Ω 50 Ω
Other - - -

Electrical

Power req. Separate PSU Mains Mains (105-125 V AC)
Current RX ? ? 40 W
TX - - -

Physical

Manufactured Between 1939 and 1945 in USA Between 1948 and 1950 in USA Between 1961 and 196x in USA
Dimensions ? ? 292 × 165 × 190 mm
(11.50 × 6.50 × 7.48 in)
Weight 33.00 kg (72.8 lbs) ? 1.80 kg (4.0 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories None ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HAMMARLUND-SPR-000210-LX NATIONAL-COMPANY-NC-000033 HEATHKIT-EK-000002B