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

• CU SHOT Team

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: AEØSS-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  

EOSS-141  

Payload Configuration:

• EOSS-140_Payload_Plan_Rev_C.pdf
• EOSS-141_Payload_Plan_Rev_C.pdf

Tracking and Recovery Info:   

Breakfast

• I-70 and Airport Road McDonalds
  • Exit 285 on I-70
• Meet at 5:00 am

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