*** The Ampliphase Ancestry ***
The BTA-50G Ampliphase at WLKW, Providence, Rhode Island
WLKW 990 in Providence installed one of the last 50G's in 1960 prior to the introduction of the 50H, and it was used through to the mid 80's. It would seem it met a very uncomfortable end, when the incoming power feed dropped a phase, (apparently due to a truck colliding with a power pole), and the blowers started to run slow. For whatever reason,
the air interlock shutdown failed, and the transmitter literally fried itself to death. During it's living years, the transmitter was fittingly nicknamed the "Belch Fire Fifty", due to some of its mannerisms, notably associated with 5K1 the plate contactor relay, and the transmission line and phasor system feeding the 6 tower array.
Thanks to Duffy Egan and Grady Moates for the pictures and sorry tale.
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