Heathkit - Antenna Noise Bridge HD-1422, clean w/ manual, for sale

[Ronald Carlson]

Heathkit - Antenna Noise Bridge HD-1422, clean w/ manual, for sale

Up for sale from the workshop is a Heathkit HD-1422, the Antenna Noise Bridge.  An excellent tool for evaluating antenna lumped characteristics and impedance across a wide range of frequencies.
Very clean, powers up, on internal 9v battery (included & works), also accepts standard 9v DC wall adapter for extended or bench use.
Extensive manual, copy included, full assembly, assembly large drawings and views (was a separate book and is usually lost) theory, use of, troubleshooting, schematic, photos of both versions (1422 and 1422a), factory corrections (additional errata to the manual)
Manual tutoral includes:
Measurements, 
>Adjusting an Antenna, adjusting length
>Evaluating XL, XC, lumped impedance, 
>Finding Antenna Resonant Frequencies, 
>Finding Non-resonant Characteristics, 
>Tuned Circuit and Component Measurements, 
>Transmission Line Adjustments 
>Antenna tuner Adjustments.$39, plus $10 shipping to any USA zipcode.  Outside the USA at cost.
contact Ron at
Ronald.carlson.54 at sbcglobal.net

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