[AMRadio] Gates BC1G

QED Consultants qed at hughes.net
Wed Jul 23 23:40:40 EDT 2008

I just converted mine. used pi l tank with vacuum variables and it tunes 
160, 80, and 40. in the grid circuit used B&W bcl coil jack bar and homemade 
coils, my old ones were falling apart.  added bias from the neg supply 
through a diode, ac 30 a relay in the plate xformer and ac antenna relay, 
added a 26 VDC power supply and a dc control relay. will turn on by push to 
talk. ordered a eq from W2Ihy, he modified it for high output to drive the 
16 DB audio input.   the final takes about 65 watts of drive, probably will 
use a markV or Drake T4X shows input of about 1480 W and output into a dummy 
load of 1250.     Bernie  W8RPW
----- Original Message ----- 
From: "Brad" <uvc1 at verizon.net>
To: "'Discussion of AM Radio in the Amateur Service'" 
<amradio at mailman.qth.net>
Sent: Wednesday, July 23, 2008 9:41 PM
Subject: [AMRadio] Gates BC1G

> I have a BC1G dated 1969, I am changing it to 3870, need some pointers on
> the conversion, contact me off list
> Thanks
> Brad
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