David Abmayr <[email protected]> writes: > I have a new TeleMetrum 2.0 that seems to be much slower to lock (and sees > fewer satellites) than my other devices (another TeleMetrum 2, a TeleMega > 1, and even my old TeleMetrum 1.2). Is this an issue, or just normal > variance?
There is some variation in GPS performance between boards; the antennas are all slightly different, and the assembly of the components can have an effect as well. TeleMetrum will have less signal strength than a TeleMega board because its antenna system isn't as well tuned. That's due to the narrower width, and the combination of that with the only antenna we could find which worked at that width is just not as good as the antenna system on TeleMega. We did have a production problem on the first run of TeleMetrum v2.0 boards where the SAW filter was not getting soldered down reliably, but we redesigned the board very slightly and haven't seen that pop up again. That was generally more dramatic though; you'd get almost no GPS reception at all when that happened. -- -keith
signature.asc
Description: PGP signature
_______________________________________________ altusmetrum mailing list [email protected] http://lists.gag.com/mailman/listinfo/altusmetrum
