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Electronic Keyer
Station Monitor
VHF/UHF Scanner / receiver

General

HAM bands ? 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m  11m (CB)  6m  2m  1.25m  70cm  33cm  23cm  10m  4m 
Freq. stability ? ? ?
Tuning steps ? ? 5 / 12.5 / 25 / 50 kHz

Receiver

RX-range - 1.8-54 MHz 25-1300 MHz
Modulations - All mode   AM   FM   W-FM  
Sensitivity ? 1/4" vertical deflection at 10 W (80-6m)
3/4" vertical deflection at 100 W (80-6m)
1/4" vertical deflection at 100 W (160m)
AM/FM
25-1000 MHz: 0.5 µV
1000-1300 MHz: 3 µV
W-FM
25-1000 MHz: 3 µV
1000-1300 MHz: 15 µV
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? Triple conversion superheterodyne
IF-freqs. ? ? 1st: 225.4125 MHz
2nd: 45 MHz
3rd: 455 KHz
Image rejection ? ? ?
Audio output ? ? Internal speaker

Transmitter

TX-range ? ? -
Modulations - All mode   -
RF-output ? ? ?

Connections

Antenna Clamps / screws SO-239 BNC
Impedance ? 50/75Ω 50Ω
Other - - -

Electrical

Power req. Mains Mains 13.8V DC
Current RX 3.5 W 22 W max Max 500 mA
TX ? ? -

Physical

Manufactured Between 1975 and 197x in USA Between 1985 and 198x in USA Between 200x and 200x
Dimensions ? 286 × 111 × 308 mm
(11.26 × 4.37 × 12.13 in)
232 × 90 × 210 mm
(9.13 × 3.54 × 8.27 in)
Weight ? 4.80 kg (10.6 lbs) 2.00 kg (4.4 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 500 channels in 10 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN HEATHKIT-HD-001410 HEATHKIT-HO-005404 GRE-GRECOM-PSR-000225