EOSS-362 NDIA Flight - Recap

On Sunday, October 20, 2024, we launched one 2000g balloon from Deer Trail, CO at 7:26 am carrying two student payloads sponsored by the Rocky Mountain Chapter of the National Defense Industries Association (NDIA), reaching altitude of 99,347 before burst. Parachute landed at 9:17 a.m. in brisk winds near State Hwy 71 and CR-I, about nine miles south of Brush, CO (40.124, -103.594) on the landowner's driveway. 

https://forms.gle/qJjy47iTHF5ywDPJ6

 

Original Announcement: 

This is one 2000g balloon sponsored by the Rocky Mountain Chapter of the National Defense Industiral Association, carrying student experiments for schools across the country.

The flight has been delayed one day to Sunday October 20th. Launch will be at 7:15am MDT

Event Date: 
Sunday, October 20, 2024 - 00:00 to 23:45
Flight Coordinator: 
KFØPCW
Launch Site: 
Flights: 

EOSS-362 Lite

Balloon Type: 
Kaymont 2000g Latex
Parachute: 
12 ft Rocketman with Remote Release Charlie
Beacons: 
Beacons
FrequencyCallsignTypeNotes
145.645 MHzKC0D-3APRS/Digi/DFTOP, Secondary Beacon
144.905 MHzAE0SS-1APRS/DFAtlantis for Flight Qual
144.340 MHzKC0D-2APRS/DigiBOTTOM beacon, timeslotted :15 & :45
FrequencyList: 

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

The preflight net is hosted on the Fun Machine Linked Repeater 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 Fun machine system 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:

All linked courtesy of SkyHubLink

    • 449.450 MHz (-5 MHz Offset, 103.5 Hz Tone) RMRL, Mestaa'ehehe Mountain (Squaw Peak)
    • 447.650 MHz (-5 MHz Offset, 103.5 Hz Tone) SkyHub Link, Cedar Point (Limon)
    • 447.425 MHz (-5 MHz Offset, 103.5 Hz Tone) SkyHub Link, Akron (currently unlinked)
    • 448.400 MHz (-5 MHz Offset, 103.5 Hz Tone) SkyHub Link, Buckhorn Mountain (northern repeater linked in for this flight only)

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):

  • Rocky Mountain Wide Network – Talk Group 700 - Rocky Mountain Ham Radio has approval to the use "Wide" for flight operations

        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
  • 144.905
  • 145.645

 

Tactical Calls: 
TacticalCall SignNameNotes
AlphaWAØGEH, KØNKKMarty, Nancy
BravoKBØYRZChris
Charlie
Delta
Ground StationKEØUWC, Randy, NØNDM, KBØTVJGlenn, Randy, Larry, Russ
KiloKCØRPS, KFØPCWJim, Doug
TangoKCØLJohn (Texas)
YankeeKEØYALBrad
TR Breakfast: 
6:30 am Home Plate, 19719 US 40, Fort Morgan CO (parking on side or back)