|Subject:||Re: [Paparazzi-devel] interference problem|
|Date:||Fri, 27 Sep 2013 21:07:23 +0200|
|User-agent:||Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8|
I try to help by asking you a few questions ... hopefully it helps you to narrow the problem down:
Did your aircraft crash or execute the failsafe (it was in auto2, right?)?
What failsafes did you program?
Are you using XBee (the 2.4 GHz ones)?
Do you experience the same problem in manual mode?
What do you mean by "GSM base station" exactly?
Note that some of the stations might have additional active antennas, ie. not for the GSM service itself, mounted on them.
How far away from the base station is "near the base station"? (10 m :o ? 20 m?)
What else is mounted on that base station?
In case it is really interference from the GSM signal (that does not trigger any failsafe) I'd first try:
1) not flying near that base station ;) ... do your flight tests somewhere else entirely (no other transmitters), if the problem reappears it was not due to the GSM base station...
2) Fly in manual mode near the base station; does "it" happen again? Can you reliably reproduce the "effect" of loosing the telemetry?
3) using ferrite cores ... How long are your cables (to/from servos, xbee, etc, ...) in the aircraft? Are you using selfmade antennas?
4) in desperation: "shielding" board and wires
Hope this helps you to find the problem.
Am 26.09.2013 23:17, schrieb Eduardo lavratti:
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