Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>
Original poster: Ed Phillips <evp@xxxxxxxxxxx>
"A spark gap type TC is more like a finely crafted grandfather clock.. the design is simple, it's all in the particular execution. (SSTCs excluded)"
Every parent marvels in its children !
Ed
P.S. Some coils are far less finely crafted than others but still work.