Colorado Space Grant Consortium DemoSats & Ball BIRST Program

Update 7/27/21:  Launch time for the first balloon will be 0700.

Two 3000g balloon or Three 1500g balloons carrying DemoSats from multiple COSCG colleges and Ball Aerospace BIRST intern program.

The predictions are updating daily.  You can find the latest Predictions.  Scroll down to EOSS-312 and click on the links to the right of Genoa.

If cloud cover precludes launching heavy balloons, we will split into 3 exempt balloon flights.

EOSS-312 Lite (COSCG)

EOSS-313 Lite (BIRST)

EOSS-314 Lite (BIRST)

Flight Coordinator: 
Tom Londrigan
Event Date: 
Saturday, July 31, 2021 - 07:30
Alt Launch Date: 
Sunday, August 1, 2021
Launch Site: 
Flights: 

EOSS-312

One 3000g or One 1500g balloon in support of Colorado Space Grant Colleges

Balloon Type: 
3000g latex
Parachute: 
12 ft Rocketman Orange/Green
Beacons: 
FrequencyCallsignTypeNotes
144.905 MHzKC0D-3APRS/Release/DFTop - paired with Release Charlie
144.340 MHzAEØSS-12APRS / Digi Digi EOSSA Slotted @ 24/54

EOSS-313

One 3000g or Two 1500g balloons launched in support of the Ball Aerospace BIRST internship program

Balloon Type: 
3000g latex
Parachute: 
12 ft Rocketman Orange/Green
Beacons: 
FrequencyCallsignTypeNotes
145.765 MHzKC0D-14APRS/Release/DFTop - paired with Release Adam
144.340 MHzAEØSS-13APRS / Digi Digi EOSSX Slotted @ 10/40
FrequencyList: 

EOSS Preflight Net @ 7 PM Mountain Time preceding night:
        •  449.225 MHz (-5 MHz Offset, 141.3 Hz CTCSS) Rocky Mountain Ham Radio (RMHAM) Repeater and EchoLink *CANONCTY* conference and the Fun Machine linked system
        • 146.940 MHz (-600 KHz Offset, 103.5 Hz CTCSS) Rocky Mountain Radio League (RMRL) Repeater if the RMHAM machine is down
        • 146.640 MHz (-600 KHz Offset, 100.0 Hz CTCSS) Denver Radio League (DRL) Repeater will serve as a backup to the backup repeater 

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:
        • 449.450 MHz (-5 MHz Offset, 103.5 Hz Tone) RMRL repeater (Assuming we are flying out of Windsor).
        • 448.450 MHz (-5 MHz Offset, 100.0 Hz Tone) PPFMA repeater (Assuming we are flying out of Deer Trail).

        Simplex Frequencies:
        • 446.100 MHz Balloon #1 Field Simplex 
        • 446.150 MHz Balloon #2 Field Simplex
        • 446.200 MHz Balloon #3 Field Simplex
        • 446.275 MHz Car to Car drive out Simplex
        (Note that some radios assume these are repeater frequencies and attempt to put a 5 MHz offset in the transmit frequency automatically)

        Legacy 2M Simplex Frequency (not generally used due to desense/interference issues with the 2M APRS packets)
        • 146.550 MHz Simplex

2M Direction Finding Frequencies:

  • 144.340
  • 144.360
  • 144.905
  • 145.045
  • 145.535
  • 145.645
  • 145.710
  • 145.765

 

Tactical Calls: 
TacticalCall SignNameNotes
Live Flight Tracking: 
To view live flight tracking, navigate to https://track.eoss.org