Recap of EOSS-92

EOSS attended the

Great Plains Super Launch

where we flew:


LAUNCH DATE: 2-Jul-2005
LAUNCH TIME:08:24 am CDT (13:24 UTC)
LAUNCH SITE: Omaha, NE (See for launch site details)

Pre-flight Prediction and Actual Track

Launch Site - Treynor High IA
Launch Point: 41.2317� lat.   -95.6078� long.
Grid: X=10.00 Y=50.00
Ascent Rate: 1000 feet per minute
Descent Rate: 910 feet per minute
Altitude: 984 feet

Blue = Actual Track
Green = Predicted Ascent Phase
Red = Predicted Descent Phase

Maps made with MapPoint
Prediction made with Balloon Track

Predicted Landing Site
Landing Point: 41.1406� lat.  -94.8776� long.
Grid: X=48.0 Y=43.7
Altitude: 1501 feet
Flight Time: 140 Minutes
Bearing: 99.2� True
Range: 38.5 Mi.
Actual Landing Site
Landing Point: 41.1334� lat.  -94.8572� long.
Grid: X=49.1 Y=43.2
Bearing: 99.6� True
Range: 39.6 Mi.
Difference from Predicted to Actual Landing Site
Bearing: 115.3� True
Range: 1.2 Mi.

EOSS Frequencies:


  • Beacon
  • APRS
    • 144.360 MHz (Payload Train)
  • ATV
    • De-spun ATV package
    • 426.250 MHz
    • ID: AE0SS

Flight Systems:


Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 1200 cu. ft
Payload 9.3 lbs
Free Lift % calculated at fill
Ascent Rate 819 fpm avg
Descent Rate @ 850 fpm at landing
Parachute 5 ft
Peak Altitude 87,899.94 ft. ASL
Launch Conditions calm with occasional 2 to 5


Payload Configuration:

Internet Gateway Stations:

as seen on Findu.Com

For AE0SS-11

  • KE6DZD - Wayne Jorns of Bellevue, NE
  • KC0ULI-15 - Stephen Entz of Topeka, KS
  • W0JRT - Jerome Tonneson of Lenexa, KS
  • WW5WOW - Larry Little of Claremore, OK

EOSS wishes to express our sincere appreciation to the stations above who iGated the balloon APRS telemetry onto the internet. It's nice to travel to a location other than your home court and get such wonderful support.

Tracking and Recovery Info:

Below are links to recaps by the folks indicated.

By Rick von Glahn, N0KKZ

By Randy Reynard, NQ0R

In March of 2009 Mike Kilen of the Des Moines Register wrote an article about a restaurant where many of the T&R folks had lunch. I have his permission to link to it:


Our Customer

EOSS, yep it's just for the fun of it. Of course we're always testing out payloads, especially since we managed to fry one on a recent mission.


On the Road (there and back)

At Econo Lodge

At Dinner(s)

At the Symposium

Flight Day

by Rick von Glahn, N0KKZ

by Marty Griffin, WA0GEH

Later that Day
by Rick von Glahn, N0KKZ


Working on it


Plain Text Files

Ascii Delimited Spread Sheet file