Here's one solution: http://www.novatel.com/assets/Documents/Manuals/gi-00110033.pdf Bob Stewart > Hi Bob, > > Thanks Bob. It's hard to say whether or not it attenuates at the lower > elevations, but it does add gain to the higher ones. Well, at least I > have some idea what I'm shooting for. > > Bob > > > > > >>________________________________ >> From: Bob Camp <li...@rtty.us> >>To: Discussion of precise time and frequency measurement >> <time-nuts@febo.com> >>Sent: Thursday, October 10, 2013 4:41 PM >>Subject: Re: [time-nuts] Choke Ring Antenna - Patch Placement? >> >> >>Hi >> >>You are looking for total rejection of any signal below the horizon, >> and near total rejection of any signal within 10 degrees of the >> horizon. Obviously total and near total could have db numbers >> associated with them, but the numbers you get are what ever you getâ¦. >> >>Bob >> >>On Oct 10, 2013, at 2:15 PM, Bob Stewart <b...@evoria.net> wrote: >> >>> 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 >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >> >>_______________________________________________ >>time-nuts mailing list -- time-nuts@febo.com >>To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>and follow the instructions there. >> >> >> > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. >
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