EOSS-303 MSU Intro to Space - Recap

A single 3000g balloon was launched from Wiggins on Sunday 11/01/2020 after a one-day delay because of strong ground winds. The balloon burst at 100,200 ft and landed near Cope, Colorado.

mileage link for 2020 flights is here

Original Announcement: 

10/31/2020  The Tracking & Recovery Breakfast location has changed

10/30/2020 The flight has been delayed until Sunday 11/1/2020, rescheduled for 7:00am launch, and moved to Wiggins CO. Please plan accordingly.  Note Daylight Savings Time Change Saturday evening.  Fall Back.

10/30/2020 Payload Plans Rev D posted, comms plan update

Launch of Intro2Space BalloonSats from two Fall semester sections.

Conditions look good to fly one 3000g balloon rather than two 1500g balloons.

 The flight prediction can be found here. There are a number of links here for predictions, conditions, tracking, and after-flight data.

Event Date: 
Sunday, November 1, 2020 - 00:00
Flight Coordinator: 
Launch Site: 
Last Chance X=30, Y=40 Test N 40.000 • W 103.000 Ans: 61.3 Y 57.9

EOSS-303 Heavy

A 3000g Heavy flight. If cloudcover is greater than 5/10ths, two 1500g Lite balloons will be flown.

Lite Payload Plans:

Balloon Type: 
Totex 3000g Latex
12 foot Rocketman
145.645 MHzKCØD-1Remote Release / DFTOP (Secondary) with wireless release Baker
144.340 MHzKØSCC-14APRS / Digi EOSSDBOTTOM (Primary)
145.765 MHzKCØD-3Remote Release (Qualification)with wireless release Charlie
Payload Plan: 

Preflight Net: 

  • Saturday October 31st @ 7PM (Note Time)
  • 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.

Analog T&R Repeater:

  • For Wiggins launch site: RMRL 449.450 minus offset with 103.5 Hz tone


  • Use of the RMHAM DMR “Rocky Mountain Wide" talk group has been approved

The Usual EOSS Simplex Frequencies (UESF) will be used:

  • Ground Station -446.050
  • EOSS 303 Tracking & Recovery (T&R) - 446.100
  • Optional T&R - 446.150
  • Spare T&R - 446.200
  • Car to Car drive out coordination 446.275

Thanks to all of the Resources Owner/Managers for the use of these systems.  



Tactical Calls: 
TacticalCall SignNameNotes
AlphaWA0GEH. KC0DMarty. Mark
BravoW9CN, N0JPSMike, John
CharlieKC0RPSJim Flight Controller
Ground StationN2XGL,K5JKJeff, Tom, Randy
KiloKB0UBZ, KA0ZFIBen, Ann
TangoKC0LJohn in Texas
MikeKE0ZJVMatt, CU Sponsor
TR Breakfast: 
Based upon the latest prediction we are going to move the T&R breakfast to the IHOP in Limon at 6 AM.