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HF Transceiver
Mobile Shortwave Transmitter
Headless HF/VHF/UHF Scanner / receiver

General

HAM bands ? 80m  40m  20m  15m  10m  ?
Freq. stability ? ? ?
Tuning steps ? ? USB/LSB/CW: 1Hz, FM: 0.001 kHz

Receiver

RX-range 15/40/80 m (lower 250 KHz on each band) - 0.15-1500 MHz
Modulations CW   - AM   N-FM   W-FM   CW   USB   LSB  
Sensitivity ? ? AM (10dB S/N)
<0.5 MHz: n.sp.
0.5-1.5 MHz 5 µV
1.5-30 MHz 1 µV
30-1000 MHz 1 µV
1-1.5 GHz 1.5 µV
SSB/CW (10dB S/N)
<0.5 MHz: n.sp.
0.5-1.5 MHz 0.9 µV
1.5-30 MHz 0.3 µV
30-1000 MHz 0.3 µV
1-1.5 GHz 0.5 µV
FM-N/FM-W 12dB SINAD
<0.5 MHz n.sp.
0.5-1.5 MHz 0.9 µV
1.5-30 MHz 0.35 µV
30-1000 MHz 0.35 µV
1-1.5 GHz 0.4 µV
Selectivity ? ? SSB/CW: 2.5 kHz @ 6dB
AM: 6 kHz @ 6dB
FM-N: 15 kHz @ 6dB
FM-W: 230 kHz @ 6dB
Filters ? ? ?
Receiver system XTAL TX. VFO option ? Double/Triple conversion + DSP
IF-freqs. ? ? ?
Image rejection ? ? 65 dB typical
Audio output ? ? 200 mW

Transmitter

TX-range 15/40/80 m (lower 250 KHz on each band) 80 / 40 / 20 / 15 / 10 m -
Modulations CW   CW   -
RF-output 90 W (input) 90 W ?

Connections

Antenna - - BNC
Impedance 50 Ω 50Ω 50 Ω
Other - - -

Electrical

Power req. Mains External PSU (500-600V DC @ 100 mA; 6.3 V @ 4.7 A or 12.6 V @ 2.35 A AC/DC) ?
Current RX ? - ?
TX ? ? -

Physical

Manufactured Between 1967 and 1976 Between 195x and 196x in USA Between 19xx and 19xx
Dimensions ? 308 × 155 × 254 mm
(12.13 × 6.10 × 10.00 in)
?
Weight ? 7.00 kg (15.4 lbs) ?
Form factor Unknown Mobile Headless

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? Internal ISA-card
Accessories ? ? ?
MPN HEATHKIT-HW-000016 HEATHKIT-MT-000001-'CHEYENNE' WINRADIO-WR-003150I