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Aeronatuical Engineer


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John replied to John's discussion GroundStation_beta2 - Printing to an external file.
"Got it working with the new GCS.

My opinion is that the new GCS is very nice; Much nicer than the previous one. Also, it automatically aquires and records the important flight data. My only suggestion would be to get the format of the recorded data…"
Jun 3, 2010
John replied to John's discussion Data telemetry range issues
"Guys,

I'm elated to say that we received our high gain antenna today and it fixed our range issues.
We are now seeing over 0.5miles even in urban areas.

Conclusion:
My suggestion would be to fix the link on the homepage of this site to reflect the…"
Jun 3, 2010
John replied to John's discussion GroundStation_beta2 - Printing to an external file.
"Chris,

I'm trying to write to a file called "data.txt"

After a successful test, data.txt would look similar to this:

lat:34,long:90,alt:200,
as:10,
lat:35,long:91,alt:500,
as:20,
lat:34,long:90,alt:200,
as:10
etc.....

The above data would be…"
Jun 2, 2010
John posted a discussion
Hey,I'm are having a bit of a problem trying to get the GPS and Airspeed data to write to an external file.Currently, we have it so that creates and starts writing to a file, however the information does not append. Only 1 line of data (Just the…
Jun 1, 2010
John replied to John's discussion Data telemetry range issues
"Conclusion:
We tested the system with both antennas at 90 degree angles to the case. However, we were still only able to get a range of ~0.4 miles. Power going in is good and the antennas are optimized for 900 MHz. Only thing left is the actual…"
May 28, 2010
John replied to John's discussion Data telemetry range issues
"I see ^.^

I'm just a bit picky you see; I also code websites."
May 27, 2010
John posted a discussion
We currently have a functioning ardupilot being used as a data telemetry unit. However, through field testing, we have found that the range we successfully achieve with the ardupilot and xbee data telemetry unit is approximately 0.3miles. This is a…
May 26, 2010