Announcement of EOSS-144

Flight Coordinator: Nick Hanks, N0LP

LAUNCH DATE: July 18th, 2009
LAUNCH TIME: 07:30 CDT (12:30 UTC)

Payload Experiment Designer

  • EOSS - Flight qualification possibilities

Experimenters are welcome to submit websites for linking or overviews which I will post on a page on the EOSS website.

EOSS Flight Day Frequencies:

Tracking and Recovery Frequencies


EOSS-144 Balloon Payload Frequencies

  • Beacons
    • 145.600 MHz
      • CW ID: W5VSI
  • APRS
    • 144.340 MHz
      • ID: AE�SS-11
      • DIGI: EOSS
      • Node: BALNOD
      • APRS Time Slotted Every 30 seconds at 0:00 and 0:30
        • power up at 58 seconds past the GPS minute to properly slot telemetry
      • Telemetry once a minute
      • Sample Data
  • ATV
    • 426.250 MHz AM
      • ID: AE0SS
      • GPS overlay

Flight Systems: 


Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 1200 gram
Neck Load 12.23 lbs.
Neck Lift 15.95 lbs
Ascent Rate 1324 fpm estimated
Descent Rate 950 fpm estimated
Parachute 5 ft.
Peak Altitude determined after flight
Launch Conditions determined at launch


Payload Configuration: