BruceTS wrote:Roadkilt, GPS is tricky, going into the canyon the signal can bounce off the walls, probably why it was all green.
As for the OP, have you taken off the top cover and checked to see if you have a loose connection?
Dropping a sat or 2 is normal for GPS, but usually you'll pick up a few as well...
I had been working on my Phantom for about a week trying to sort the gps siltation out so yes the cover was off and on numerous times a day and everything was checked many many times..
In the end i started backtracking by removing my upgrades which included the v2 pmu, the additional fpv camera, the fpv transmitter ect. I ended up with a stock phantom but still had the problem..
I then removed the copper tape that i had stuck to the foam/copper shield that's stuck over the GPS/compass module.. The reason for using some additional copper tape was to 'in theory' increase the shielding from interference but for some reason it was making it worse as when i removed it my GPS lock problem suddenly got a lot better..
I then replaced all my upgrades and install a couple of Toroids on the GPS lead and main power lead and everything now seems ok again..