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Desktop VHF VFO
Desktop Shortwave VFO
Antenna Noise Bridge

General

HAM bands 6m  2m  1.25m  ? 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range 50 / 144 / 220 MHz
6 / 2 / 1.25 m
- 1-30 MHz
1-100 MHz
Modulations - - All mode  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 50 / 144 / 220 MHz
6 / 2 / 1.25 m
? ?
Modulations - - All mode  
RF-output ? ? ?

Connections

Antenna SO-239 - SO-239
Impedance 50Ω ? ?
Other - - -

Electrical

Power req. Mains ? Internal 9 V battery or external 9-11 V DC
Current RX - - 45 mA
TX ? ? ?

Physical

Manufactured Between 196x and 19xx in USA Between 1959 and 196x in USA Between 1975 and 197x in USA
Dimensions 127 × 152 × 190 mm
(5.00 × 5.98 × 7.48 in)
? 130 × 57 × 127 mm
(5.12 × 2.24 × 5.00 in)
Weight ? ? ?
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 AMECO-VFO-000621 COLLINS-000399C-1 HEATHKIT-HD-001422