[time-nuts] Choke Ring Antenna - Patch Placement?

Bob Stewart bob at evoria.net
Thu Oct 10 14:23:49 EDT 2013


Oops, that height should be "54" mm.




>________________________________
> From: Bob Stewart <bob at evoria.net>
>To: Time Nuts <time-nuts at febo.com> 
>Sent: Thursday, October 10, 2013 1:15 PM
>Subject: [time-nuts] Choke Ring Antenna - Patch Placement?
> 
>
>I bought a set of Wilton "tuned" pie pans yesterday to experiment with a choke ring antenna.  The "kit" consists of 4 pans of diameters 12", 10", 8", and 6".  The height of the sides is more or less 51mm.  I've been experimenting with placement of the patch in the pit, but I don't know what I'm looking for, so a little help would be appreciated.  Am I looking for best overall signal level from horizon to azimuth, or something else?  I'm not sure I would know how to measure multi-path levels.  There seems to be a definite difference depending on whether the patch is at the bottom, somewhere in the middle, level with the rim of the pans, or even perched on a DVD disk which is level with the rim.  I don't have any sort of metal container to use as a support for the patch at this point.
>
>Bob - AE6RV
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