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.

A Thank You Note About the Kickstarter Project:

It looks like we did not make our goal and the Kickstarter campaign has run its course. I want to thank all of you potential backers for your support and encouragement. The ADS-B project is important to the educational research high-altitude balloon programs around the world. EOSS will continue to pursue this initiative and will try to earn backing to finance this effort. I will advise you through the Kickstarter email as to our progress. As of now, one of our members will attend a UAV conference next week and will review our technical options. The University of Colorado and Metro State University have offered working support and for that we are grateful. Again, thank you for seeing the future with us.

Our organization works with educators, offering valuable opportunities to enhance their students' studies of science, technology, engineering and math (STEM) through real, hands-on experience. We provide FAA coordination, launch, tracking and recovery of the payloads. Each year, our volunteers spend thousands of hours to enable student STEM programs to reach the Edge of Space.

Summit Middle School and NSSTI

Tom Londrigan (KE7KCK)'s picture
Submitted by Tom Londrigan (... on Wed, 07/12/2017 - 08:45

Update 10/20/17 1200:  Rev C to Payload plans are posted. Launch site has shifted to Deer Trail.

EOSS-260, 261 Eclipse Flight Recap

Tom Londrigan (KE7KCK)'s picture
Submitted by Tom Londrigan (... on Sat, 08/05/2017 - 19:50

EOSS-260 was launched the Camp Guersey North Training area (N 42 ° 22.629', W104° 44.834') at an elevation of 5014 ft. at 10:33 AM MDT. The balloon burst at 12:14:45 MDT at an altitude of 96,459 ft. after an ascent averaging 901 ft./min. The parachute and flight string touched down at N 42° 24.683', W 103° 54.316' at 12:50 PM at an elevation of 4699 ft. after a flight of 2 hours 17 minutes. Horizontal touchdown speed was 21 mph. The straight line distance between launch and touchdown was 43.0 miles along the ground. After touchdown the wind pushed parachute and flight string about 59 ft.

EOSS-261 was launched the Camp Guersey North Training area (N 42 ° 22.575', W104° 44.835') at an elevation of 5178 ft. at 10:50 AM MDT. The balloon burst at 12:59:30 MDT at an altitude of 95,688 ft. after an ascent averaging 702 ft./min. The parachute and flight string touched down at N 42° 28.775', W 103° 33.448' at 13:39 PM at an elevation of 4823 ft. after a flight of 2 hours 49 minutes. The touchdown horizontal speed was 18 mph. The straight line distance between launch and touchdown was 61.2 miles along the ground. After touchdown the wind pushed the parachute and flight string another 597 feet along the ground. The parachute and flight string were recovered at N 42° 28.686', W 103° 33.504' at an elevation of 4525 ft.

EOSS-257, 258, & 259 CU Science Discovery & Metro State Univ - Recap

KCØRPS's picture
Submitted by KCØRPS on Fri, 07/21/2017 - 18:42

CU Science Discovery video, "Young engineers aim for the stratosphere at Science Discovery Camp" is posted!

Here is a link to a CU Science Discovery page with experiment data, drone footage, and launch videos!

All three flights were very successful.

EOSS-253, 254,255,256 COSGC DemoSat and BIRST Flights - Recap

Tom Londrigan (KE7KCK)'s picture
Submitted by Tom Londrigan (... on Fri, 07/14/2017 - 10:55

EOSS-253, 254, 255, and 256 were launched in rapid succession starting at 0700 from the Limon Softball fields launch site on July 15, 2017. All were 1200g exempt balloons.
EOSS-253 reached an altitude of 98,885 ft
EOSS-254 reached an altitude of 100,795 ft
EOSS-255 reached an altitude of 97,847 ft
EOSS-256 reached an altitude of 96,219 ft
All payloads were recovered north of Matheson, CO. Recap galleries have been created below. Check back for updates to Charts, data and photos as they are loaded.

EOSS-252 Great Plains Super Launch - Recap

KCØRPS's picture
Submitted by KCØRPS on Mon, 05/01/2017 - 18:48

EOSS-252 was launched from the Hutchinson Kansas Airport as part of GPSL, and recovered southeast of Newton, Kansas.  It achieved an altitude of 98,990 ft.

Altitude vs. Time plots from aprs.fi have been added.  Please add any pictures to the galleries below.  

EOSS-250 and 251 Eclipse Practice Flight, COSCG - Recap

Tom Londrigan (KE7KCK)'s picture
Submitted by Tom Londrigan (... on Sun, 04/30/2017 - 11:54

Updated 5/20/17: Posted additional pictures to Prep and launch gallery.

EOSS-250 and 251 were launched from Guernsey, Wyoming and recovered northeast of Lusk, Wyoming.  EOSS would like to thank WA7SNU, AE7AF, KD7JNQ and all the local Wyoming hams for help in setting up communications to support this flight. 

EOSS-247/248/249 Metro State University Intro to Space - Recap

KCØRPS's picture
Submitted by KCØRPS on Mon, 04/17/2017 - 18:46

Three balloons were successfully launched and retrieved, with a little rain and some muddy roads and fields.

  • EOSS-247 Burst at 95,382 ft and landed at 38.986624, -102.990035
  • EOSS-248 Burst at 92,282 ft and landed at 39.05677, -103.12716
  • EOSS-249 Burst at 96,748 ft and landed at 39.1470, -103.2405

Mileage link for EOSS members.

EOSS-241, 242, 243, 244, 245 246 - Recap

Tom Londrigan (KE7KCK)'s picture
Submitted by Tom Londrigan (... on Mon, 04/10/2017 - 08:31

Submit mileage here: Mileage Form  Charts and Data, Launch and Recovery Photo galleries posted below.

Altitude vs. Time for 241,242,243,244, 246 posted.  

EOSS-238/239/240 STEM Flight - Recap

KCØRPS's picture
Submitted by KCØRPS on Sat, 03/11/2017 - 17:22

More graphs and data, and a few in-flight pictures posted.

National Space Science & Technical Institute (NSSTI) has posted a YouTube flight video captured during the flight of EOSS-240. An updated "Director's Cut" video is posted here.

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