[BC] Bird sniffer...
Burt I. Weiner
biwa
Fri Oct 14 15:43:30 CDT 2005
I'd given considerable thought to just that but I hate to take something
apart that works and may be of value to someone. You have to see my garage
to understand just how far this craziness has gone. I will probably modify
a slug as you suggested.
Burt
At 01:17 PM 10/14/2005 -0400, you wrote:
>From: K7qa at aol.com
>Subject: Re: [BC] bird sample thing...
>To: broadcast at radiolists.net
>Message-ID: <30.7cff3b69.3080b244 at aol.com>
>Content-Type: text/plain; charset="US-ASCII"
>
>
>In a message dated 10/13/2005 10:18:36 PM Pacific Daylight Time,
>biwa at earthlink.net writes:
>
>Speaking of which, I'm looking for a Bird "Sniffer" for the FM band. I'd
>like to get one that is about 30 dB or 5000 Watts or so. This is the type
>of device that goes into a Bird sample line, it looks like the type of
>element that goes into a Model 43, but and has a BNC spigot on it to hook
>a whatever.
>
>
>Burt....If all you are looking for is a relative sample and frequency
>response and calibration is not all that important, you can build your
>own. Take
>the guts out a Bird slug you never use and drill a hole in the top and
>install
>a chassis-mount BNC female connector. Take a piece of #12 solid copper wire
>and form it into a small square U-shaped loop with each end soldered onto
>the
>BNC terminals. Reduce the insertion coupling by reducing the size of the U
>loop and increasing the spacing to the insulated end of the slug. I've made
>several and they work splendidly.
>
>tm
Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California U.S.A.
biwa at earthlink.net
K6OQK
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