Flight Recap of EOSS-5
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Below is the text of a flyer printed up to hand out about
EOSS-005. The formatting in the original was very nice but I am just copying the
text into a web layout below.
Edge of Space Sciences (EOSS)
Spacecraft Stabilizer & VOR
Experiment
Overview
Today the Edge of Space Sciences (EOSS) team is launching a
helium balloon to 105,000 feet to conduct three scientific experiments.
Edge of Space Sciences
The Edge of Space Sciences is a non-profit organization
providing high altitude research transportation to University and High School
programs.
General Information
See our EOSS information pages.
Today's Mission
The EOSS Team is providing launch, command, control and
recovery services. EOSS student members are conducting the stabilization
experiment. EOSS members are conducting VOR experiments and new beacon
testing, technology to be used in future shuttle missions. The Colorado
Repeater Association is providing portable field repeaters for recovery
operations. We thank all volunteers for their participation today.
Launch Time
Launch will be on April 11, 1992 at 9:00 AM MST. Weather hold
dates are April 12, 19 and 19 at 9:00 A.M, same place.
Launch Site
Launch site will be at Clement Park, Pierce and Bowles,
Jefferson County, Colorado (Due East of the SouthWest Plaza Shopping Center on
Bowles)
Duration and Trajectory
The helium balloon will rise to approximately 105,000 feet.
The payload will be released by ground control at 95,000 feet. The payload
will parachute to Earth, landing from 40 to 250 miles from the launch site.
The expected flight duration is three to four hours.
Flight Path
The jet stream may carry the payload for as much as 40 to 250
miles from the launch site. Stations should be able to coy the beacons within
450 miles of the balloon at maximum altitude. The footprint should include
eastern Colorado, and western portions of Nebraska, Kansas and Oklahoma. Net
controls will be able to announce the projected path on the morning of the
flight.
Recovery Teams
Over 20 recovery/tracking teams will be deployed throughout
eastern Colorado to track and recover the spacecraft payload.
The Experiments
The scientific experiments were built and conducted by
students from Colorado University, Colorado State University and Green
Mountain High School as well as members of EOSS
Stabilization Experiment
Principal Investigator is Suzanne Wahrle of the International
Association of Astronomical Studies (IAAS). The Stabilization Experiment is
intended to provide a design for future flights which will allow the space
attitude to be controlled from the ground. The objective is to provide a
stable, non-rotating platform for cameras and other instruments. Investigators
will be able to point the payload in a direction of interest.
VOR Experiment
Principal Investigator is the payload lead, Mike Manes, W5VSI,
of Edge of Space Sciences. The VOR Experiment will use aeronautical signals
which will be transponded to the ground via the ATV sound channel. Signals
will be decoded on the ground and a determination will be made as to the
effectiveness of locating the balloon during flight.
Tracking Beacon Experiment
Principal Investigator is Neal Tenhuzen, WB0ADU, Edge of Space
Sciences. The Tracking Beacon Experiment will employ a new, additional beacon
to transmit on 147.555 MHz. This beacon was designed for teh recovery team to
use for direction finding activities. The beacon has a one second beep with a
cw identifier every 10 minutes. The antenna is vertically polarized and the
transmit power is 250 milliwatts. Duty cycle is 20 seconds on 10 seconds off.
Radio Frequencies
Radio frequencies for this mission can be found on most
commercially available scanners. Spacecraft Frequencies
The spacecraft frequencies are 144.340 MHz (CW, Packet Telemetry, int a
vertical antenna), 147.555 MHz beacon, 426.250 MHz (Live, remotely controlled
B&W ATV) into a vertical antenna, and a ten meter beacon on 28.321 MHz
courtesy of Bill Brown, WB8ELK. EOSS Net Frequencies
The official EOSS net frequencies will be at 7.232 MHz and the local front
range repeater of 147.225/147.825 MHz EOSS nets will start about one hour
before launch.
Project Teams
With apologies to those omitted, the following people may be
contacted regarding this mission. (phone numbers deleted)
| Name |
Callsign |
Affiliation |
Position |
| Jack Crabtree |
AA0P |
EOSS |
Chairman |
| Marty Griffin |
WA0GEH |
EOSS |
Vice Chairman |
| Dave Clingerman |
W6OAL |
EOSS |
Chief Scientist |
| Tom Isenberg |
N0KSR |
EOSS |
Educational Liason |
| Ann Trudeau |
KA0ZFI |
EOSS |
Public relations |
| Tim Kelliher |
|
Colorado University |
Principal Investigator |
| Suzanne Wahrle |
|
IAAS |
Principal Investigator |
| Mike Manes |
W5VSI |
EOSS |
Payload Lead, Principal Investigator (VOR) |
| Neal Tenhuzen |
WB0ADU |
EOSS |
Tracking Beacon Experiment lead |
| Bob Schellorn |
W6ORE |
EOSS |
Shuttle Manager |
| John Christensen |
|
Eaglecrest High School |
Teacher and Public Relations |
| Mike Ditto |
|
IAAS |
|
| Greg Burnett |
K0ELM |
EOSS |
Payload Tracking and Recovery Lead |
| Stan Morris |
N0JOQ |
Empire Radio Club |
|
| 
