There are even purpose built"glass mount" antennas-arrangements for sale.
http://www.antcom.com/documents/catalogs/Page/2G1215A-GMS-X_L1L2GPSAntennas_78.pdf -- Björn > Alan, > > I used to do a lot of my Datum demos with customers with antennae up > against > a window as outside access wasn't available. > > Usually worked OK, unless as you say, the glass is metalised. > Rob > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Alan Melia > Sent: 08 April 2013 18:00 > To: time-nuts measurement > Subject: [time-nuts] GPS antenna?? > > Hi all an interesting problem you may have encountered, I want to use a > GPS > frequency standard inside a building with no opening windows (opening > windows are known as air conditioning in the UK :-)) ) This is part of a > two day amateur microwave conference so we should have the expertise. > > I intend to try and pass the signal through a a double glazed glass window > unit (hopefully not metalised) using a couple of patch antennas. The outer > GPS antenna is active so will need a 5v supply via an inserter. Inner > patch > active, outer patch passive to avoid problems of feedback. Main antenna > can > be shielded from the "coupling" either physically or with a slab of > absorber. > > Has anyone tried this?.... does it work?.....any gotchas? > > Thanks > Alan > G3NYK > > _______________________________________________ > time-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
