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National Company HFS

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Desktop HF/VHF/UHF Receiver

Experimental VHF receiver. The six bands are selected via plug-in coil sets. Bands are 27-42 MHz, 41-60 MHz, 56-80 MHz, 80-120 MHz, 120-178 MHz and 178-250 MHz. Supported reception modes are AM, FM and CW. Original price 1948 in the US: $125.00 (without PSU).

Specifications
Type
Desktop Amateur HF/VHF/UHF Receiver 
Frequency range RX
27-250 MHz in 6 bands 
TX
Frequency stability
Tuning steps
Filters
Receiver
Modulations
AM / FM / CW 
Sensitivity
Selectivity
Receiver system
Single conversion superheterodyne 
IF-frequencies
10.7 MHz 
Image rejection
Audio output
Transmitter
Modulations
RF-output
Connections
Antenna
SO-239 
Impedance
50Ω 
Electrical
Power requirements
Powered by optional external power supply 5886AB or 6 volts vibrator pack 686S. 
Current drain RX
TX
Physical
Dimensions (w×h×d)
419 × 222 × 216 mm (16.50 × 8.74 × 8.50 in)  
Weight
Form factor
Desktop 
Manufactured
Between 1948 and 19xx in USA 
Other features
Memories
Usage
Amateur / Ham radio operators 
Manufacturer
National Company 
Model
HFS
Features
 
Manuals, Diagrams and Brochures
 
None available  
 
 
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