EOSS Flight Archives

EOSS-310 Gateway to Space - Recap

A single 3000g balloon was launched on Sunday April 18, 2021 at 6:54am MDT with six CU Boulder Gateway to Space payloads. The balloon reported a maximum altitude of 105,741 ft (32.23 km) and the payloads landed 2.63 miles out in a field south of Arriba, Colorado at 9:02am MDT at 39.236333, -103.189722. A combination of four-wheel drive and muddy hiking (see pictures) was necessary to recover the payloads. Because of the day change, Eaton Middle School was not able to participate.

EOSS-309 Metro State University Intro to Space - Recap

A single 3000g balloon was launched on April 10, 2021 from Wiggins, Colorado.

EOSS-309 KC0D-14 Flight Stats  04/10/2021

EOSS-308 Colorado Space Grant Consortium DemoSats - Recap

A single 3000g balloon was launched at 0644 on April 3, 2021 from Deer Trail School. The balloon reached 98 kft and landed northwest of Arriba, Colorado.

Data from EOSS top payload KC0D-3 

12:44:34 UTC	Launch detected 39.607290, -104.041107
13:46:08 UTC	BURST at GPS Altitude:99,203 Ft 39.482531, -103.505146
14:18:52 UTC	Landed: 39.42215,-103.29252 Accuracy: 5Ft

Minimum Ext Temp -74 F


EOSS-307 NDIA STEM Flight - Recap

EOSS 307 was launched as a 3000g balloon from Deer Trail Colorado at 0730 March 20th, and all payloads were recovered approximately 2.5 miles north of Wiladel Colorado. Achieved a maximum altitude of 104,809 Ft at burst. The Photo below was taken just prior to burst.

Flight Recap: EOSS-304/305 COSGC Demosats & BUFFS and CU-Boulder Space Minor BUFFS

EOSS-304 was launched at 0645 on 11/7/20 from Wiggins, CO with 21 Payloads from the CU Buffs Space minor.  All Payloads and beacons were recovered south of Peetz, CO at 41.01153, -103.06078.  Maximum altitude acheived was 89,650 ft.

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

EOSS-302 NDIA STEM Flight - Recap

The balloon was launched at 0819 and reached an altitude of 110,331 ft MSL at  09:41 when  the balloon burst It was recovered near Karval, Colorado at GPS Coordinates:38.77888, -103.39334

mileage link for 2020 flights is here 

EOSS-301 COSGC Summer Flight - Recap

EOSS-301 launched as a single 3000g balloon from Deer Trail Colorado for the University of Colorado Space Grant Consortium (UCSGC).  The balloon carried 8 student experiments to an altitude of 98,457 ft, and was recovered south of Calhan Colorado.

EOSS-300 GPSL - Recap

A single 1500g balloon was launched on Saturday, July 11, 2020 from the Atlas Missile Silo site near Crow Valley (Briggsdale, Colorado) to flight qualify EOSS beacons and release units . This flight was in concert with the Great Plains Superlaunch virutal group launch.