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.

Edge of Space Sciences (EOSS) has launched a Kickstarter campaign to raise funds to implement Automatic Dependent Surveillance – Broadcast (ADS-B) for high altitude balloon flights. Please consider a pledge for this very important project. See it here:

https://www.kickstarter.com/projects/1206401145/expanding-near-space-bal...

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.

Eclipse Flight, Colorado Space Grant Consortium

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

The flight will be launched from Camp Guernsey WY and will be two 1500 gram balloons with Colorado Space Grant eclipse observation payloads.  Launch times will be 10:30 and 10:45 for balloons 1 and 2 respectively.  Payload plans will be distributed via email.  There will be other launches in our area (Ft. Laramie, Glendo, Scotts Bluff).

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.
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

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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.

EOSS-237 Eaton MS Flight - Recap

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Submitted by KCØRPS on Tue, 01/03/2017 - 21:38

Additional pictures added.

The balloon launched at 0831 and landed at 1218. It flew approximately 116 miles and landed at 40.96950, -102.57883, 3-1/2 miles northwest of Sedwick, Colorado. The balloon reached a height of 94,963 ft. After landing, the parachute dragged the payload string 962 feet. Good payload construction saved all the experiments!

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