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Desktop Shortwave receiver
Desktop Shortwave receiver
HF Antenna Tuner

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  2000m  80m  60m  40m  20m  15m  10m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability ± 20 Hz after 1 min below 13 MHz. ± 50 Hz after 1 min > 13 MHz. < 100 cps for 10% line fluctuation after warm up ?
Tuning steps 1 / 10 / 100 Hz, 1 / 5 / 9 / 10 / 100 kHz Continuous ?

Receiver

RX-range 0.09-30 MHz 10-80 m 3.5-30 MHz
Modulations AM   CW   USB   LSB   DSB   RTTY   FAX   AM   FM   CW   SSB   All mode  
Sensitivity 2µV SSB 1.8-30 MHz (10 dB S+N/N) 0.5 µV (10 dB S/N) ?
Selectivity 6.0 kHz
3.0 kHz
0.5 kHz
1.0 kHz [Optional]
0.3 kHz [Optional]
SSB: 2.1 kHz @ -6 dB, 2.5 kHz @ -60 kHz
AM: 4 kHz @ -6 dB, 7.5 kHz @ -25 kHz
AM: 2.1 kHz @ -6 dB, 2.5 kHz @ -25 kHz
CW: 5 kHz @ -6 dB, 2.5 kHz @ -60 kHz
?
Filters ? ? ?
Receiver system Up Conversion Dual Superheterodyne Single conversion superheterodyne ?
IF-freqs. ? 455 kHz ?
Image rejection > 70 dB > 50 dB ?
Audio output 1 Watts at 8 Ohms 2 W ?

Transmitter

TX-range - - 3.5-30 MHz
Modulations - - All mode  
RF-output ? - 200 / 2000 W

Connections

Antenna SO-239 SO-239 SO-239
Impedance 50Ω 50/70Ω 50Ω
Other - - -

Electrical

Power req. 24 V DC or mains Mains No power required
Current RX 36 W 50 W ?
TX - - ?

Physical

Manufactured Between 19xx and 19xx in Japan Between 1965 and 196x Between 1979 and 1983 in USA
Dimensions 480 × 150 × 290 mm
(18.90 × 5.91 × 11.42 in)
380 × 180 × 330 mm
(14.96 × 7.09 × 12.99 in)
368 × 146 × 352 mm
(14.49 × 5.75 × 13.86 in)
Weight 7.50 kg (16.5 lbs) 12.00 kg (26.5 lbs) 6.80 kg (15.0 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 JRC-NRD-000301A SOMMERKAMP-FR-000100B HEATHKIT-SA-002040