[AMRadio] BC-610 Modulation Transformer

k0occ at comcast.net k0occ at comcast.net
Fri May 26 14:08:19 EDT 2006

Heard you Q5 in Atlanta when you were signing off with WA4FUR. Couldn't QSY to 40 quick enough to catch you. 

Ernie, k0occ 
Atlanta, GA

-------------- Original message -------------- 
From: W5OMR/Geoff <w5omr at satx.rr.com> 

> John E. Coleman (ARS WA5BXO) wrote: 
> >I think the XFMR has four connectors on one end and two on the other end. 
> >The bottom two of the four are to be strapped and make the B+ connection for 
> >the modulator. The top two, of the four, are the modulator plate 
> >connectors. The two on the other end are the secondary winding to go to the 
> >final plate circuit. 
> > 
> >This is from memory and pictures, so don't take it for 100% accuracy. 
> > 
> I'm thinking that's correct, John. I just had both of my '610 mod xfmrs 
> in the truck, and dropped 'em off at W5KGZ in Beaumont, on the 16th of 
> May. Maybe you could send Perry some email, and ask him. 
> Greetings y'all, from Brunswick, Georgia. Leaving here in 1 hour, and 
> headed to Charleston, SC. 
> If anyone is around, I'll be /m4 on 7290~7295kc AM. Listen up, 
> though... my amp dumped on me, so I'm down to 30w outta the bugcatcher. 
> Good reports so far, though. 
> Have had a good trip, with on-air QSO's with K4CR, WA4FUR, WW9W and 
> eyeball QSO's w/WW9W/Robert (another good looking BC-610 in Punta Gorda, 
> FL) and N3DP/Don, and numerous connections via IRLP back to San 
> Antonio. Good Radio time, with the exception of a broken wire at the 
> impedance matching coil (inside the insulation), causing high SWR, and 
> consequently, burning out one or both of the 2SC2879 transistors in the 
> amp. :-( 
> Calling CQ 40m, from the pissweak mobile, W5OMR/4 
> -- 
> 73 = Best Regards 
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