About Edge of Space Sciences (EOSS)

Edge of Space Sciences (EOSS) is a Denver, Colorado based non-profit organization that promotes science and education by exploring frontiers in amateur radio and high altitude balloons.  Click "Read More" for more information.

EOSS-310 Gateway to Space & Eaton MS Science Program

THE FLIGHT IS DELAYED ONE DAY UNTIL SUNDAY APRIL 18th AND MOVED TO DEER TRAIL, COLORADO (see the launch site link here or below for directions). This will result in safer roads for Tracking and Recovery.

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.


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 

CANCELED: MSU Intro to Space (Spring semester)

  • 3/17: CU-Boulder Gateway to Space has been canceled for this semester.
  • 3/22: Metro State University's Intro to Space has been canceled for this semester.


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