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Desktop Shortwave receiver
Dual VHF Power Meter
1 kW Linear Amplifier

General

HAM bands ? 6m  2m  4m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  6m  10m  4m 
Freq. stability ? ? ?
Tuning steps Continuous N/A ?

Receiver

RX-range 15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter
110-175 / 170-300 / 290 - 570 meter optional
50-175 MHz 1.8-70 MHz
Modulations AM   All mode   All mode   AM   FM   CW   SSB  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system TRF with regeneration ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range - 50-175 MHz 1.8-70 MHz
Modulations - All mode   All mode   AM   FM   CW   SSB  
RF-output ? ? 1 kW @ 50 W input

Connections

Antenna - SO-239 N-type
Impedance 50Ω 50Ω ?
Other - - -

Electrical

Power req. 6 + 45 + 135 + 180 V ? Mains, internal PSU, 200-260 V AC
Current RX ? ? ?
TX - ? 13 A max

Physical

Manufactured Between 1929 and 1935 in USA Between 1979 and 1983 in USA Between 2017 and 20xx in Germany
Dimensions ? 191 × 108 × 165 mm
(7.52 × 4.25 × 6.50 in)
425 × 459 × 173 mm
(16.73 × 18.07 × 6.81 in)
Weight ? 1.40 kg (3.1 lbs) 19.80 kg (43.7 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories None None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? Interfaces: RS-232, CI-V, USB
Accessories External PSU: National 3580B ? ?
MPN NATIONAL-COMPANY-SW-000004 HEATHKIT-HM-002141 HILBERLING-HPA-008000B