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gps serial output
- Thread starter schristo
- Start date
- Joined
- Mar 23, 2005
- Messages
- 13,226
You can send altitude encoder data out from a SkyView to a transponder. This is what most people want.
If you are actually trying to send GPS data (is this for an ADS-B link?), then we do not output it from SkyView at this point. Since SkyView doesn't do flight planning yet, there is no additional data for it to output. You can split the GPS input to the SkyView that comes from our puck or whatever GPS you are using and run it to SkyView and the transponder. This will have position in it, and will work even if SkyView is offline, so it's probably more of what you want.
There is also an unknown about GPS data "quality"- I believe that the FAA only uses GPS data that comes from certified GPS units when reporting traffic in the Mode-S/ADS-B world. There's an encrypted bit that only certified GPS units know how to send. Not an expert in this area though.
If you are actually trying to send GPS data (is this for an ADS-B link?), then we do not output it from SkyView at this point. Since SkyView doesn't do flight planning yet, there is no additional data for it to output. You can split the GPS input to the SkyView that comes from our puck or whatever GPS you are using and run it to SkyView and the transponder. This will have position in it, and will work even if SkyView is offline, so it's probably more of what you want.
There is also an unknown about GPS data "quality"- I believe that the FAA only uses GPS data that comes from certified GPS units when reporting traffic in the Mode-S/ADS-B world. There's an encrypted bit that only certified GPS units know how to send. Not an expert in this area though.
i have the pressure altitude data just fine... after additional research it appears that the gps data is in a format AVIATION and is only available from garmin from a certified receiver (not the handhelds). functionally the unit works fine without the gps feed and it is primarily used to provide atc with gps groundspeed.
on another note... are there instructions on performing the calibration for the pressure altitude reported by the skyview unit? i assume that you enter a known pressure and provide the required offset to match the actual elevation in the setup screens for the ahahrs calibration of the altitude...
on another note... are there instructions on performing the calibration for the pressure altitude reported by the skyview unit? i assume that you enter a known pressure and provide the required offset to match the actual elevation in the setup screens for the ahahrs calibration of the altitude...
- Joined
- Mar 23, 2005
- Messages
- 13,226
The pressure altitude is calibrated at the factory. It should require no adjustment. Remember that a transponder always reports pressure altitude, not corrected altitude, so it only matches at 29.92.
If you do feel you need a small adjustment, go into setup and ADAHRS calibration. This adjusts the displayed altitude as well as the altitude sent to the transponder, since they must be based on the same source.
If you do feel you need a small adjustment, go into setup and ADAHRS calibration. This adjusts the displayed altitude as well as the altitude sent to the transponder, since they must be based on the same source.