MM03 -2018-05-04

Tracker Details

Tracker Type: APRS

Model: PicoTracker1Rev2

Powered by 2 AAA batteries

Configuration:

msBetweenTransmits = 3000 (3s, 0m, 0h)

lhAltFtThreshold = 10000

hAlt.wakeAndEvaluateMs = 600000 (600s, 10m, 0h)

lAlt.wakeAndEvaluateMs = 45000 (45s, 0m, 0h)

lAlt.stickyMs = 10800000 (10800s, 180m, 3h)

dz.wakeAndEvaluateMs = 7200000 (7200s, 120m, 2h)

Launch Parameters

Balloon and Payload

• 36" Qualatex, unstretched
• 31.0 gram payload
• 5 grams free lift

Actuals

• Top Altitude - 16,250 ft
• Duration - 4 hours, 31 minutes
• Distance - 106 miles straight line
• Cause of death - Balloon rupture

General Thoughts / Observations

Good steady ascent, but float was not achieved. Need to understand what ruptured the balloon.

Thoughts for next time

Try low free lift.