[ARC5] Link frequency meter

[WA5CAB at cs.com]

OK.  I sold the one that I had 13 years ago and have no recollection of 
what it looked like.

Robert D.

In a message dated 01/10/2013 06:20:56 AM Central Standard Time, 
aj1g at sbcglobal.net writes: 
> Thanks Robert.  Yep - that appears to be the same unit, perhaps the chart 
> provided in the "de-mil" version was changed from the original one, or 
> there were several versions to work different frequency ranges.  I suspect 
> that the one I have was dumped as a de-mil version after the war with a 
> commercial name tag. The fifth harmonic of 39.1 Mc  (195.5 Mc) noted on my cal 
> chart is at the low end of the frequency range quoted for the BC-438. Will 
> have to put its variable output into my HP counter to see where its actually 
> making its RF.  Interesting that it is a piece of test gear for one of the 
> very early radar systems.  The length of the little whip antenna appears to 
> be close to a quarter wave at 195-215 Mc. 
> 
> 
> From: "WA5CAB at cs.com" <WA5CAB at cs.com>
> To: arc5 at mailman.qth.net
> Sent: Wed, January 9, 2013 3:12:58 PM
> Subject: Re: [ARC5] Link frequency meter
> 
> BC-438 was built for SCR-268 and covers 194-216 MC.  I had one once but 
> sold it to a radar collector.
> 
> In a message dated 01/09/2013 13:19:59 PM Central Standard Time, 
> elden_meyer at yahoo.com writes: 
> >These are similar in principle to the BC-221 et al.
> >  
> >At least one version was made for the military, with a different 
> frequency 
> >range,
> >as the BC-438. There is a very brief description and schematic in the CQ
> >Surplus Schematics Handbook (on the Web various places). The diagram
> >should be similar for all models.
> 
> Robert Downs - Houston
> 
> 
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480