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Retrieving the APRS tracking from a field near Burton, KS.

Flight #32 - 2016a

Flight 32 will be conducted as part of the GPSL 2016, held near Granbury, TX from the Pecan Plantation airport.  Due to limited trackers from our group, we will be flying in conjunction with Paul Verhage from NearSys.  Many of the flight parameters are not known due to the shared flight and unknown parachute, etc.










Flight Parameters


Launch Date/Time Saturday June 18th at 9:00am (14:00Z)  
Alternative Date n/a  
Launch Site Pecan Plantation Airport near Granbury, TX (32.3541N, -97.6761W)  

Capsule 1 (Track)


ArduinoTrack (Combined) with RadioMetrix 300mW transmitter and Ublox M8Q GPS, signing W0ZC-11.

Path is disabled above 2,000m MSL.


Capsule 2 (Track)


New PSOC-based tracker using DRA818V transmitter module and Ublox M8Q GPS, signing W0ZC-9.
Recovery / Misc
Parachute Recovery  
Total Flight Weight Total neck weight on the balloon.  
Balloon / Gas 1200g Kaymont  
Estimated Burst Altitude 31,000m MSL (101,700')  
Estimated Ascent Rate 5.6 m/s (1100'/min)  
Estimated Descent Rate 7.1 m/s (1400'/min)  
Chase Frequencies    




Flight Results 


Launch Date/Time Saturday, June 18th at 9:09am (14:09Z)
Launch Site Pecan Plantation Airport near Granbury, TX (32.3541N, -97.6761W)
Burst Altitude 28,09m MSL (92,125') 
Average Ascent Rate 5.6m/s (1,105'/min) 
Measured Descent Rate 4.3m/s (854'/min) measured at 2,102' MSL. 
Touchdown Site 31.9365N, -98.365W
Touchdown Time Saturday, June 18th at 11:28am (16:28Z)
Recovery Time Saturday, June 18th at 1:22pm (18:22Z)
Distance Traveled 76km (47mi)
Total Flight Time 2 hours, 13 minutes 
Downloads W0ZC-9 Log, W0ZC-11 Log, Flight Path (KML), Winds Aloft Forecast




Tracking Predictions

June 17

Today's predictions have hooked back to the west slightly.  Surface winds are predicted to by calm at 9:00am for launch.




June 16

The track on Thursday lines up closely with those predicts being run by other groups predicting for GPSL 2016.







Photo Highlights


2015 05 19 14.57.47The completed ArduinoTrack board on the newly designed board carrier that was 3D printed.  The battery is a 7.4V, 1.8AH Lipo and will run the tracker for a solid 8 hours, even at freezing temperatures.  The rope passing through is the load line that connects directly to the balloon above and the streamer below.


2015 05 19 14.59.26