Colorado Space Grant Consortium Fall Launch

Flight Postponed!

Strong upper-level winds have necessitated continued postponement of the 11/16 flight this weekend. A reschedule date will be identified in January.

 11-06-2024Payload Plans Rev B posted

This is two 3000g balloons or three 1500g balloons carrying Colorado Space Grant Consortium school student payloads.

The balloons will be launched from the Deer Trail School located in Deer Trail Colorado (map). The school will be available for use of the restrooms only, Warm-up will be in your cars. Dress warm. 

If the cloud cover exceeds 5/10ths, the two Heavy balloons will be split into three Lite balloons as follows:

Flight Coordinator: 
KC0RPS
Event Date: 
Saturday, November 23, 2024 - 00:00 to 23:45
Alt Launch Date: 
Sunday, November 24, 2024
Launch Site: 
Flights: 

EOSS-365 Heavy

3000g balloon for Colorado Space Grant Consortium

Balloon Type: 
Totex 3000g Latex
Parachute: 
12 ft Rocketman with Remote Release Charlie
Beacons: 
Beacons
FrequencyCallsignTypeNotes
145.710 MHzKC0D-3APRS/DFTOP, Secondary Beacon
144.340 MHzAE0SS-4Voyager APRS/Digi VOYABOTTOM, Primary Beacon, TS 0:13 & 0:43
Payload Plan: 

EOSS-366 Heavy

3000g balloon for Colorado Space Grant Consortium

Balloon Type: 
Totex 3000g Latex
Parachute: 
12 ft Rocketman with Remote Release Baker
Beacons: 
Beacons
FrequencyCallsignTypeNotes
144.905 MHzKC0D-1APRS/DFTOP, Secondary Beacon
144.340 MHzAE0SS-3APRS/DigiBOTTOM, Primary Beacon, TS 0:20 & 0:50
Payload Plan: 
FrequencyList: 

EOSS Preflight Net @ 7 PM Mountain Time the preceding night:

 

The preflight net is hosted on the Fun Machine linked system https://www.we0fun.com/  

EchoLink *CANONCTY* conference and on the TGIF DMR Network Node: 1997 Talkgroup 815

Denver area Frequencies: 

    • 449.225 MHz (-5 MHz Offset, 141.3 Hz CTCSS) Mt Thorodin
    • 448.150 MHz (-5 MHz Offset, 141.3 Hz CTCSS) DIA
    • 449.975 Mhz (-5 MHz Offset, 100 Hz CTCSS) Westcreek
    • 447.525 MHz (-5 MHz Offset, 146.2 Hz CTCSS) Devils Head   

Back up Pre Flight Net Frequincies

        • 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 

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:
        • 449.450 MHz (-5 MHz Offset, 103.5 Hz Tone) RMRL repeater

        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)

Digital Mobile Radio (DMR):

The decision as to which talkgroup use will be made by the EOSS RF Coordinator on a per flight basis.

  • Rocky Mountain Wide Network – Talk Group 700 - Rocky Mountain Ham Radio has approval to the use "Wide" for flight operations.
  • Central Colorado Regional Network – Talk Group 720 - On occasion, EOSS may use the Central Colorado Regional Network (Talk Group 720).

        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
  • 145.535
  • 145.645
  • 145.710
  • 145.765

 

TR Breakfast: 
Tracker Breakfast at 6:00am at the IHOP at the Flying J truck stop in Limon, Colorado
Tactical Calls: 
TacticalCall SignNameNotes
AlphaW9CN, NØJPSMike, John
BravoN0RPFRobSat or Sunday
Charlie
EchoKC0RPSJimFlight Coordinator
Ground StationKE0UWC, N2XGLGlenn, Jeff
FoxtrotKB0YRZChrisLate Addition to List
HotelWA0GEH, KF0PCWMarty, Doug L
Live Flight Tracking: 

To view live flight tracking, navigate to https://track.eoss.org