[BC] Fwd: Re: Join us on AM

[VJB]

--- VJB <wa3vjb at yahoo.com> wrote:

> Date: Fri, 9 Mar 2007 02:32:32 -0800 (PST)
> From: VJB <wa3vjb at yahoo.com>
> Subject: Re: Join us on AM
> To: broadcast at radiolists.net
> 
> >Ah yes, the joys of working 40 phone with my home
> brew >pair of 250 TH's 
> >that I got out of an old surplus BC610.
> 
> Chuck did you save any snapshots?  
> The big sister to the 250T series was the 450, shown
> here. Clearly good looking, no matter big or small.
> 
> http://wa3vjb.amham.com/pics/450TH.jpg
> 
> There was also a 750T but that entire Eimac "T"
> series
> had mechanically brittle filaments and few survive.
> A
> friend of mine, W2INR, converted a Collins 21E over
> to
> a pair of 450TL modulating another pair. Excellent
> sound:
> 
> http://wa3vjb.amham.com/sound/INR-HamBadge.mp3
> 
> Anyway Chuck, thanks for the comment. In 1976 I
> acquired an unfinished homebrew transmitter project
> that had been started in 1953 out of the "West Coast
> Radio Handbook" as the Editors and Engineers book
> was
> known.  
> 
> Pair of 810 triodes modulating a pair of 4-250A. 
> Final tank is the plug-in coil like the BC-610, but
> the "jumbo" type with the swinging-link. I had a lot
> of help, but completed it over Christmas break in
> 1977. 
> 
> The transmitter is now in its 30th year on the
> shortwave ham bands, most recently in service on 10M
> for Solar Cycle 23. The hobbyist "AM revival" was in
> full swing across Europe, the UK and th South
> Pacific
> according to all the activity between 29.000 -
> 29.200Mc
> 
> Scott -- to your question about how many Collins
> 300-G
> are now known, it's more than two dozen, either
> privately held or still tucked in the transmitter
> room
> at stations across the country. It was a far more
> popular transmitter than I ever imagined when I got
> my
> first one in 1992.
> 
> I was trying to look a bit more charitably at Ron's
> rather snide comment about AM on HF, and was
> surprised
> to see his website indicates significant interest in
> CW. The surprise came when I saw he's a Technician
> Class license. 
> 
> The point of my original posting was to invite folks
> just like him to join us on AM, on HF, now that the
> FCC has discontinued the license testing element for
> Morse Code. In his case, it apparently would not
> have
> been the barrier other folks have mentioned. So who
> knows.
> 
> Ron, if you want company in bad feelings about
> incompatible modes trying to share the same
> frequency,
> I submit this sound file from 40 meters.
> 
> http://wa3vjb.amham.com/sound/40mNite.mp3
> 
> 73
> 
> Paul/VJB
> 
> 
>  
>
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