[QCWA] 201a's
Norm Gertz
k1aa at cfl.rr.com
Tue Dec 4 09:37:00 EST 2007
Hank.....while I did use DC on the filaments of the TNT it was from
batteries. My friends in Boston however did have DC power mains.....in fact
I remember that Commonwealth Avenue still had DC after WWII.
73 Norm K1AA
----- Original Message -----
From: "Henry Schickler" <seven238 at verizon.net>
To: <qcwa at mailman.qth.net>
Sent: Monday, December 03, 2007 2:26 PM
Subject: [QCWA] 201a's
>I don't know if my original message went thru.
> All the talk about the old 201a brought back plenty of memories. My first
> rig on 40 CW was a pair of 201a's running pushpull with 100 volts DC on
> the plates. The area in New York City where i lived still did not have AC.
> We lit the filaments by putting them in series with a 30 watt bulb. With a
> goosenck lamp we had a light over the operating position. I never got a
> pushpull Hartley to work. Why I don't know. Friends of mine did run them
> that way. Had plenty of fun in those days. What did we know then, the tank
> coil ala QST was made of quarter in copper tubing. That was easy to get in
> those days. The 201a's drew 40 mils, that meant 4 watts ot, talk about low
> power.
>
> Hank, W2ICW QCWA 2496 licensed since 1935
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