Announcement of EOSS-138/139

LAUNCH DATE: May 9th, 2009 (wx +7)
LAUNCH TIME: 

  • EOSS-138: 06:50 MDT (12:50 UTC)
  • EOSS-139: 07:10 MDT (13:10 UTC)

LAUNCH SITE: Windsor, CO (see directions)


Payload Experiment Designer

  • NOAA AirCore (eoss-138)
  • Lockheed Martin Explorers (eoss-139)

Experimenters are welcome to submit websites for linking or overviews which I will post on a page on the EOSS website.


EOSS Flight Day Frequencies:

Tracking and Recovery Frequencies

  • Preflight Net:
    • 147.225 MHz 8 pm MDT the evening prior to flight day
      • 145.160 MHz simulcast in the Springs
      • 145.460 MHz simulcast in Boulder
    • 146.640 MHz will serve as a backup frequency
  • Tracking and Recovery Operations
    • Primary Frequencies
      • 449.450 MHz RMRL (103.5 Hz tone) Windsor Launch site
      • 145.295 MHz (no PL tone) Sterling area
      • 146.550 MHz simplex (same simplex for field and launch ops)
    • Repeater Coverage Pages - Listings of all repeaters available in the expected flight areas.
    • There may be FRS operations see THIS PAGE for a list of channel numbers and their associated UHF Frequencies.

 

EOSS-138 Balloon Payload Frequencies

  • Beacons
    • 147.555 MHz
      • CW ID: AE0SS
  • APRS
    • 144.340 MHz
      • ID: AE�SS-11
      • DIGI: EOSS
      • Node: BALNOD
      • APRS Time Slotted Every 30 seconds at 0:00 and 0:30
        • power up at 58 seconds past the GPS minute to properly slot telemetry
      • Telemetry once a minute
      • Sample Data

 

EOSS-139 Balloon Payload Frequencies  

  • Beacons
    • 145.600 MHz
      • CW ID: K0SCC
    • 445.975 MHz
      • CW: W5VSI (qualification flight)
  • APRS
    • 144.340 MHz
      • ID: KC0YA-11
      • DIGI: EOSS
      • Node: BALND2
      • APRS Time Slotted Every 30 seconds at 0:15 and 0:45
        • power up at 13 seconds past the GPS minute to properly slot telemetry
      • Telemetry once a minute
      • Sample Data
  • 145.600 MHz
  • ID: K0SCC-11

Flight Systems: 

EOSS-138  

Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 3000 gram
Neck Load 25.9 lbs.
Neck Lift 30.8 lbs
Ascent Rate 1400 fpm estimated
Descent Rate 1000 fpm estimated
Parachute 10 ft.
Peak Altitude determined after flight
Launch Conditions determined at launch

 

EOSS-139 

Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 3000 gram
Neck Load 23.8 lbs.
Neck Lift 28.4 lbs
Ascent Rate 1400 fpm estimated
Descent Rate 950 fpm estimated
Parachute 10 ft
Peak Altitude determined after flight
Launch Conditions determined at launch

 


Payload Configuration: 


Tracking and Recovery Info:  

Breakfast

  • Exit 80 on I-76
  • Meet at 5:30 am

Grid

Location

Grid X

Grid Y

Rt. 71 and 14 West Intersection
lat = 40� 36.615' long = -103� 40.614'

20

30

TrackPoint Test 40� 30' N, 103� 30' W      29.3 22.4

 

Tactical Call Signs

Tactical

Callsign

Name

Notes

Alpha

WA0GEH, KC0ZIE

Marty & Darren

Tracking and Recovery Coordinator

Bravo

KB0YRZ 

Chris

 

Charlie

W9CN   

Mike

 

Delta

N0IX

Doug

 

Echo

KC0RPS, W0NFW

Jim, George

 

Foxtrot KC0UUO Rob  

 

AE0SS

Nick

Ground Station