You can try to build a poor man's choke ring: <http://www.mauve.gr/var/DIY_Choke_Ring_GPS_Antenna.htm>
On Thu, Jul 23, 2015 at 7:38 PM, Alan Ambrose <alan.ambr...@anagram.net> wrote: > Hi, is there any benefit in adding a ground plane to these simple timing > antennas? e.g. GPS-TMG-26N > > http://www.antenna.com/apg_products.cgi?id_num=11740 > > In which case, how big? And I'm imagining immediately underneath the antenna? > This ublox note suggests probably not? > > http://www.u-blox.com/images/downloads/Product_Docs/GPS_Antennas_ApplicationNote%28GPS-X-08014%29.pdf > > The 58503A sitting on this atm gets '4.3us/initial 24 hours' prediction > although I have seen it around 2.2us. Also max ~110 'SS'. > > Also is it helpful to increase the elevation mask? > > TIA, Alan > > _______________________________________________ > 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.