Announcement of EOSS-140/141

EOSS-140 and EOSS-141 - Dedicated to the Memory of
our dear friend and fellow balloonatic

In honor and commemoration

 
Albert (Al) W. Cooley, N0AUS at his DRL/ARES D22 field day site at the south end of Daniels Park, June of 2000


EOSS-140/141

Flight Coordinator: Jim Langsted kc0rps@eoss.org

LAUNCH DATE: June 13th, 2009 (no WX date)
LAUNCH TIME: 

  • EOSS-140 - 06:50 MDT (12:50 UTC)
  • EOSS-141 - 07:10 MDT (13:10 UTC)

LAUNCH SITE: Deer Trail, CO (see directions)


Payload Experiment Designer

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 Frequencies
      • 449.450 MHz (103.5 Hz tone) RMRL Repeater (northern trajectory)
      • 146.550 MHz simplex (launch ops)
      • 146.550 MHz simplex (eoss-140 field recovery ops)
      • 146.580 MHz simplex (eoss-141 field recovery 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-140 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-141 Balloon Payload Frequencies

  • Beacon
    • 145.600 MHz
      • ID: W5VSI in CW
  • ATV
    • 3rd Generation De-spun ATV
    • 426.250 Mhz AM
  • 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

Flight Systems: 

EOSS-140  

Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 3000 gram
Neck Load 25.7 lbs.
Neck Lift 30.5 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-141  

Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 1200 gram
Neck Load 13.7 lbs.
Neck Lift 17.8 lbs
Ascent Rate 1200 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

Grid

Location

Grid X

Grid Y

Last Chance
lat = 39.74068� long = -103.59358� W

10

10

TrackPoint Test 39� 45 N 103� 15' W 28.2 10.7

 

Tactical Call Signs

Tactical Callsign Name Notes
Alpha WG0E Colin & Tim Tracking and Recovery Coordinator
Bravo W9CN Mike & the Papas Clan Tracker - Student Caravan Guide eoss-141
Charlie KB0YRZ Chris Tracker
Delta WB0DKT, KC0ZIE, KC6HXM, WB6DKF Glen, Darren, Sam and Loren - The Big White Bus Tracker
Echo K0SCC Steve & Daryl Tracker; Starting @ Launch Site; Guide-141
Foxtrot N0IX Doug Tracker
Golf KC0UUO Rob Tracker
Hotel WA0GEH & KC0D Marty and Mark Tracker
India KB0LP Dave Tracker; Starting @ Launch Site
  N0NDM Larry Launch Coordinator
  AE0SS Nick Ground Station
  KC0RPS Jim Flight Coordinator
  K0ANI Larry Student Caravan Guide -140