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: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] 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 -- 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.