EOSS-343 GPSL joint flight with PENS - Recap

A 3000g balloon was launched on June 17, 2023 from the University of Alabama Huntsville campus (34.724830, -86.646535) as part of the Great Plains Superlaunch event. The balloon reached 78,940 feet, burst, and landed 41 statute miles to the southeast in a corn field near Hopewell, Alabama (34.36889, -86.05900).Video and pictures from GPSL are shown at this YouTube link: https://www.youtube.com/@gpsllive5740 

Original Announcement: 

One 3000g balloon flow jointly with Pella Exploring Near Space (PENS) launched as part of the 2023 Great Plains Superlaunch balloon converence in Huntsville, Alabama.

The details on the launch site are:

  • University of Huntsville, SWIRLL facility
  • 4801 Bradford Drive NW, Huntsville AL 35805
  • 34.724830, -86.646535
  • Elevation 676 ft
Event Date: 
Saturday, June 17, 2023 - 00:00 to 23:45
Flight Coordinator: 
KC0RPS
Flights: 

EOSS-343

This is an exempt flight string flown under a 3000g latex balloon

In the case of high winds, we may fly a 1200g balloon as follows:

EOSS-343-1200 Rev C

Balloon Type: 
Totex 3000g Latex
Parachute: 
10 ft Spherachute with fast release and thermal cutter
Beacons: 
Beacons
FrequencyCallsignTypeNotes
144.905 MHzKC0D-12APRS/DF/Digi/CutterTOP, Secondary Beacon
144.340 MHzAE0SS-9APRSBottom
144.390 MHzWB0URW-12PENS Tracker
Payload Plan: 
FrequencyList: 

Preflight Net will be in-person at the GPSL conference facility

 

Flight Day:
Launch Site:
        • 446.050 MHz Simplex  
        (Note that some radios assume these are repeater frequencies and attempt to put a 5 MHz offset in the transmit frequency automatically)

Track & Recovery Operations:
        Repeaters:
        • TBD

        Simplex Frequencies:
        • 446.100 MHz Balloon #1 Field Simplex 
        (Note that some radios assume these are repeater frequencies and attempt to put a 5 MHz offset in the transmit frequency automatically)

Digital Mobile Radio (DMR):

No anticipated use of DMR on this flight

2M Direction Finding Frequencies:

  • 144.340 MHz
  • 144.390 MHz
  • 144.905 MHz
Tactical Calls: 
TacticalCall SignNameNotes
AlphaKCØL, WAØGEH, K5PUPJohn, Marty, Eileen
BravoNØMPMMike
CharlieKCØRPSJim
XrayWBØURWJim