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Remote Linear Master Oscillator / VFO
Antenna Directional Control Unit

General

HAM bands ? None 
Freq. stability ≤ 100 Hz per hour after warmup -
Tuning steps ? -

Receiver

RX-range - -
Modulations All mode   -
Sensitivity ? -
Selectivity ? -
Filters ? -
Receiver system ? -
IF-freqs. ? -
Image rejection ? -
Audio output ? -

Transmitter

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

Connections

Antenna Clamps / screws -
Impedance ?
Other - dB-9 Serial

Electrical

Power req. External PSU or main unit Mains
Current RX - 3.0 A max
TX ? ?

Physical

Manufactured Between 1967 and 1970 in USA Between 19xx and 19xx in USA
Dimensions 254 × 171 × 279 mm
(10.00 × 6.73 × 10.98 in)
?
Weight 2.30 kg (5.1 lbs) ?
Form factor Base Station Base Station

Other features

Memories ? 6 channels in bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features ? -
Accessories ? -
MPN HEATHKIT-SB-000640 HY-GAIN-DCU-000001-PATHFINDER