National Company HRO-M
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Desktop Shortwave receiver
Basically the same as the HRO Sr series except the standard coils were general coverage only. It used glass tubes and a plug-in crystal.
The frequency range is determined by use of removeable, slide-in coil packs:
Type J = 50 - 100KHz
Type H = 100 - 200KHz
Type G = 180 - 430KHz
Type F = 480 - 960KHz
Type E = 900 - 2050KHz
Type JD = 1.7 - 4.0MHz
Type JC = 3.5 - 7.3MHz
Type JB = 7.0 - 14.4MHz
Type JA = 14.0 - 30.0MHz
Original cost: USD 230.-
Specifications
Type- Desktop Amateur HF Receiver
- Frequency range RX
- 0.05-30 MHz depending on coil pack
- TX
- -
- Frequency stability
- -
- Tuning steps
- -
- Filters
- -
Receiver
- Modulations
- AM / CW
- Sensitivity
- -
- Selectivity
- -
- Receiver system
- Single conversion
- IF-frequencies
- -
- Image rejection
- -
- Audio output
- Requires external output transformer of 7,000 ohms impedance and external speaker.
Transmitter
- Modulations
- -
- RF-output
- -
Connections
- Antenna
- -
- Impedance
- 50 Ω
Electrical
- Power requirements
- -
- Current drain RX
- -
- TX
- -
Physical
Other features
- Memories
- -
- Usage
- Amateur / Ham radio operators
- Manufacturer
- National Company
- Model
- HRO-M
- Features
Manuals, Diagrams and Brochures
- None available
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Based on 0 reviews
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