Re: [Paparazzi-devel] re: SBAS

[Reto Büttner]

Hi Ana,

first you should minimize interference:
http://paparazzi.enac.fr/wiki/Hardware_Installation#Radio_Devices
http://paparazzi.enac.fr/wiki/Hardware_Installation#General_Electrical_Advice

Concerning bad rc reception: If you have a well tuned airframe, fly in
AUTO2 and only require rc commands in short distance for takeoff and
landing, you can follow this advice:
http://paparazzi.enac.fr/wiki/Failsafe#Setting_RC_lost_mode

Cheers,
Reto

2011/3/14 GARCIA ALVAREZ, ANA <address@hidden>:
> Hi,
>
> We finally found out the problem was related to the proximity between the
> gps receiver and the modem due to a recent onboard hardware modification.
> Now they are about 15cm away one from another and we have good accuracy
> again. (still not tried SBAS).
>
>
>
> We are experiencing rc issues(in the GCS can see ok but not the hole square
> green, then lost, none, ok…)not always but really frequently. What could the
> interferences come from(I suppose it is an interference problem)? The rc
> receiver is alone 20cm away from the ap/modem, maybe near the opto-ESC(the
> same airframe wall, ESC outside, receiver inside). It is futaba 35Mhz with
> the antenna extended along the fuselage. Could the problem be in the rc
> transmitter or onboard?
>
> We are thinking about sending the rc commands via the modem(which has never
> failed for us), not rc tx/rx. Is it a good solution or has it any
> disadvantage? Is anybody doing this yet? Any previous work related? I’ll
> take a look to the joystick messages from previous weeks.
>
>
>
> Ana
>
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