[Johnson] Viking II-CDC

Brian Carling bcarling at cfl.rr.com
Thu Dec 29 16:12:36 EST 2005


You can't give Collins PTOs away at most hamfests though.
I usually see them selling in the $25 to $35 range or going
home with the guy who brought them.

On 29 Dec 2005 at 15:17, David C. Hallam wrote:

> While those PTO's are not particularly hard to come by, they are not exactly
> inexpensive selling for well over $100.
> 
> David
> KC2JD
> 
> -----Original Message-----
> From: johnson-bounces at mailman.qth.net
> [mailto:johnson-bounces at mailman.qth.net]On Behalf Of Kenneth
> Sent: Thursday, December 29, 2005 2:19 PM
> To: 'Ed Tanton'; 'Walter Treftz'; Johnson at mailman.qth.net
> Subject: RE: [Johnson] Viking II-CDC
> 
> 
> I was looking at a 1956 issue of the Radio Annual in it has info on building
> a VFO using a Collin's PTO.  The PTO used was the one out of the 75A series
> receiver.  I see Fair Radio presently has PTO's from the KWM
> series transceivers for $75 Dollars.  It should not be to hard to track
> down a PTO for either a R388 (51J) or an R390A receiver, which is more like
> the one used in the article.  With people who worship Collins 75A receivers
> somebody using a Holey Collins PTO for a homebrew VFO might get you
> excommunicated. 8^)
> 
>                           Ken de W7ITC
> 
> -----Original Message-----
> From: johnson-bounces at mailman.qth.net
> [mailto:johnson-bounces at mailman.qth.net] On Behalf Of Ed Tanton
> Sent: Sunday, December 25, 2005 9:31 AM
> To: Walter Treftz; Johnson at mailman.qth.net
> Subject: Re: [Johnson] Viking II-CDC
> 
> Hi Walt... Viking IIs aren't all that rare-I don't know what the
> "CDC" means. As for a BC-221... they are designed to be VERY
> harmonic-laden-or at least, that's my impression. I wouldn't do it.
> If you insist, use a multi-pole BPF tuned to the band you want to use
> between the '221 and the Viking II.
> 
> 
> 
> 72/73 Ed Tanton N4XY <n4xy at earthlink.net>
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