Embedded Files
Tracker Details
Tracker Details
Tracker Type: APRS
Model: PicoTracker1Rev2
Powered by 2 AAA batteries
Configuration:
transmitCount = 2
msBetweenTransmits = 3000 (3s, 0m, 0h)
lhAltFtThreshold = 10000
hAlt.wakeAndEvaluateMs = 200000 (200s, 3m, 0h)
lAlt.wakeAndEvaluateMs = 35000 (35s, 0m, 0h)
lAlt.stickyMs = 14400000 (14400s, 240m, 4h)
dz.wakeAndEvaluateMs = 1200000 (1200s, 20m, 0h)
Launch Parameters
Launch Parameters
Balloon and Payload
Balloon and Payload
- One 36" Qualatex balloon
- 29.3 gram payload
- 1.2 grams free lift
Actuals
Actuals
- Top Altitude - 19,125 ft
- Duration - 35.2 hours
- Distance - 1,038 miles following path
- Cause of death - Very slow leak
General Thoughts / Observations
General Thoughts / Observations
My second international flight! The plan was to arrive in Puerto Rico, our elevation was slightly off so we ended up in the nearby Dominican Republic instead. The manual projections using Windy.com were fairly accurate.
After the launch, we tracked the balloon until 11:17 PM before losing signal. The next day at 4:59 PM we got our first signal from the Dominican Republic. After regaining signals, we could see a slight descent rate was taking place. After a 9 hour span of gradual descent we finally splashed into the Caribbean Sea to end the flight.
This flight did very well considering NOAA is still down and had to use Windy manually. How it developed a slow leak is not known, maybe it was forced high over the Atlantic and exceeded the pressure it could take.
Thoughts for next time
Thoughts for next time
Continue tracking GPS performance.
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