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-312/313/314 Colorado Space Grant Consortium DemoSats & Ball BIRST Program

Update 7/31/21 1300: Revision B to all payloads plans posted.  No beacon changes, minor corrections to weight and launch date.

Two 3000g balloon or Three 1500g balloons carrying DemoSats from multiple COSCG colleges and Ball Aerospace BIRST intern program.

The predictions are updating daily.  You can find the latest predictions here.  Scroll down to EOSS-312 and click on the links to the right of Genoa.

EOSS-311 Northrup Grumman Space Systems Interns - Recap

A single 1500g balloon was launched at 0804 MDT on July 24, 2021 from the Limon ball fields. The balloon reached an altitude of 94,228 ft MSL and landed 16.09 miles west of the launch site, north of Matheson, Colorado near the intersection of CR149 and CR102.

mileage link for club members

Flight Summary

EOSS-311	07/24/2021

14:04:19 UTC  Launch 	39.236256	-103.696774
15:10:56 UTC  Burst	39.226211	-103.892250  94.228 K Ft
15:52:53 UTC  Landing	39.232554	-103.997331

Great Plains Superlaunch - FLIGHT CANCELLED

Due to predicted high winds at the launch site, EOSS-311 has been cancelled.  This was a local flight in concert with others participating in the Great Plains Superlaunch event.

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.


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