CU Gateway to Space & COSG Demosats

Three Heavy balloons supporting the CU Boulder Gateway to Space program and Colorado Space Grant Consortium. Six Exempt balloons planned as backup if cloud cover is greater than 5/10ths.

Flight Coordinator: 
Tom KE7KCK
Event Date: 
Saturday, April 8, 2017 (All day)
Alt Launch Date: 
Sunday, April 9, 2017
Launch Site: 
Flights: 

EOSS-241

This flight will consist of Gateway to Space BalloonSats with an additional BalloonSat from CCA.

Balloon Type: 
3000g
Parachute: 
10ft
Beacons: 
FrequencyCallsignTypeNotes
147.420 MHzK0SCC-11APRS/Cutter/DF
144.34 MHzKC0UUO-11APRS/DigiDIGI path EOSSA

EOSS-242

This balloon will have 7 BalloonSats from COSCG colleges and the COSCG common eclipse payload.

Balloon Type: 
3000g
Parachute: 
8.5ft with fast release
Beacons: 
FrequencyCallsignTypeNotes
144.36K0SCC-9APRS
144.34KE0BMU-11APRSSlotted 0:10 and 0:40
147.555AE0SSDF/Cutter

EOSS-243

This flight will have 9 Payloads from COSCG colleges.

Balloon Type: 
3000g
Parachute: 
10ft with cutter only
Beacons: 
FrequencyCallsignTypeNotes
144.95 MHzKE0BMV-11APRS/DF/Cutter
144.34 MHzAE0SS-12APRS/DIGIDigi path EOSS
FrequencyList: 

Preflight Net:

  • 147.225 MHz CRA Repeater (107.2 Hz Tone) 8 pm MDT preceding night
  • 146.940 MHz (103.5 HZ Tone) RMRL Repeater if the CRA machine is down
  • 146.640 MHz (100 Hz Tone) DRL will serve as a backup frequency

Recovery Operations:

  • 449.450 MHz RMRL Repeater (103.5 Hz Tone)
  • 448.450 MHz PPFMA Repeater (100.0 Hz Tone)
  • 446.100 MHz Field Simplex, Balloon EOSS 241
  • 446.150 MHz Field Simplex, Balloon EOSS 242
  • 446.200 MHz Field Simplex, Balloon EOSS 243
  • 446.275 MHz Simplex for travel to recovery sites
  • 146.550 MHz Backup field simplex

Launch Site Simplex: 446.050 MHz

HF - Possible ops: 7.235 LSB

Tactical Calls: 
TacticalCall SignNameNotes