Announcement of EOSS-142/143

Flight Coordinator: Larry Cerney, K0ANI k0ani@eoss.org

LAUNCH DATE: July 11th, 2009
LAUNCH TIME: 

  • EOSS-142: 06:50 MDT (12:50 UTC)
  • EOSS-143: 07:10 MDT (13:10 UTC)

LAUNCH SITE: Deer Trail, CO (see directions)

Payload Experiment Designer

  • Upward Bound

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
    • Drive out to Deer Trail (pre-flight)
      • 146.640 Mhz (until LOS)
      • 448.450 MHz (100 Hz tone) or 449.450 MHz (103.5 Hz tone)  after 64 quits. The frequency will be determined by the expected trajectory of the flight as indicated below. The extra freq will be removed once a firm prediction is established. Probably by Thursday evening.
    • Primary Recovery Operations Frequencies
      • 449.450 MHz (103.5 Hz tone) RMRL Repeater (northern trajectory)
      • 448.450 MHz (100 Hz tone) PPFMA Repeater (southern trajectory)
      • 146.550 MHz simplex (launch ops)
      • 146.550 MHz simplex (EOSS-142)
      • 146.580 MHz simplex (EOSS-143)
    • 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-142 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-143 Balloon Payload Frequencies

(tentative, but will be firmed up by the Tuesday evening net)

  • Beacons
    • 145.600 MHz
      • CW ID: W5VSI
  • 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

Maps of General Coverage Areas for our Radio Transmissions

Flight Systems: 

EOSS-142  

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

EOSS-143  

Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 1200 gram
Neck Load 14.9 lbs.
Neck Lift 19.3 lbs
Ascent Rate 1200 fpm estimated
Descent Rate 100 fpm estimated
Parachute 5ft.
Peak Altitude determined after flight
Launch Conditions determined at launch

 

Payload Configuration:

Tracking and Recovery Info:

Breakfast

Grid

Location

Grid X

Grid Y

Last Chance (Intersection of SR71 & US36)

30

40
Test Grid 40� 15' N by -103 30' W 34.9 75

 

Tactical Call Signs

Tactical

Callsign

Name

Notes

Alpha

WG0E

Colin

Tracking and Recovery Coordinator

Bravo

W9CN

Mike & Miles

Tracker

Charlie

KB0LP

Dave

Tracker; Starting @ Launch Site; Guide -143

Delta

KB0YRZ

Chris

Tracker

Echo

KC0D & N0MPM

Mark & Mike

Tracker

Foxtrot

N0IX

Doug

Tracker

Golf

N0NDM & W0CBH

Larry & Benjie

Launch Coordinator & Tracker

Hotel AC7FY W7SJW Clint and Stan  
India W0RDR Randy  

 

K0ANI

Larry

Flight Coordinator; Guide -142

 

AE0SS

Nick

Ground Station

 

KC0WJJ

Brian

CSGC/EOSS Liaison