Antique Electronics and Vintage Solid State
Heathkit GD-1250 high frequency coil
Over on the Antique Radio Forum, Steve “azenithnut” mentioned he was missing the high frequency coil for his Heathkit GD-1250 Grid Dip Oscillator.
His GD-1250 is missing this coil. I thought I’d post some photos of the coil from my GD-1250. …
Heathkit HM-10-A Tunnel Dipper
Over on the Antique Radio Forum, there’s a gathering of grid-dip oscillators.
One of my contributions was this Heathkit HD-10-A Tunnel Dipper.
It uses a tunnel diode as the active device in the oscillator.
…
View Comments