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> Heath heathkit gd-1A grid dip meter oscillator
Heath heathkit gd-1A grid dip meter oscillator
HEATHKIT GD-1A GRID DIP METER OSCILLATOR is an AC powered instrument with a range of 2 to 30 MHz using five coils (not included) and having an available auxiliary 2-coil set extending the unit down to 350 KHz, and uses a single 6AF4A vacuum tube, with a 500 uA meter movement.
This is not the ubiquitous, plain ole Heath GD-1B Grid Dip Meter.
This is the ULTRA RARE ORIGINAL HEATHKIT GD-1A GRID DIP METER !!!
