Announcement of EOSS-81

Note: EOSS-82 was contingent on unfavorable conditions at the launch site. Because of HIGHLY favorable launch conditions it was possible to fly all payloads under a single 3000 gram balloon. Never the less, here's the full flight announcement as it appeared at the website.

EOSS-81 & EOSS-82

LAUNCH DATE: July 18, 2004

  • EOSS-81 LAUNCH TIME: 07:30 am MDT (13:30 UTC)
  • EOSS-82 LAUNCH TIME: 08:15 am MDT (14:15 UTC)

LAUNCH SITE: Deer Trail, CO (directions here)


EOSS Frequencies:

Global Frequencies

  • Preflight Net:
    • 147.225 MHz 8 pm MDT preceding Saturday night
      • 145.160 MHz simulcast in the Springs
    • 146.640 MHz will serve as a backup frequency
  • Tracking and Recovery Operations
    • 448.450 MHz PPFMA (100 Hz Tone)
    • 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.
    • 7.228 MHz HF

EOSS-81

  • Beacon
    • 147.555 MHz
      • ID: W5VSI in CW
  • APRS
    • 445.975 MHz
      • ID: K0YUK-11

EOSS-82

  • Beacon
    • 145.600 MHz
      • ID: KØANI in CW
  • APRS
    • 144.340 MHz
      • ID: W5VSI-11
    • 145.600 MHz
      • ID: KØANI-11

Flight Systems:

EOSS-81

Balloon Manufacturer Kaymont
Balloon Type latex
Balloon Size 3000 gram
Payload 26.9 lbs.
Free Lift % calculated at fill
Ascent Rate 1000 fpm estimated
Descent Rate  900 fpm estimated
Parachute 10 ft. diameter
Peak Altitude determined after flight
Launch Conditions determined at launch

 

EOSS-82 (flown only if high surface winds require it)

Balloon Manufacturer Kaymont
Balloon Type latex
Balloon Size 1200 gram
Payload 11.4 lbs.
Free Lift % calculated at fill
Ascent Rate 1000 fpm estimated
Descent Rate  900 fpm estimated
Parachute 5 ft. diameter
Peak Altitude determined after flight
Launch Conditions determined at launch

Payload Configuration:


EOSS Grid:

posted the night before flight

Location Grid X Grid Y
Last Chance 65 55
Strasburg 26 55
Deer Trail 40.7 46
Kiowa 19 27.5
Hugo 72 13
Touchdown 47.6 28.8

Tactical Callsigns:

posted the night before flight

Tactical Callsign Name Notes
Alpha WAØGEH Marty coordinator
Bravo KBØYRZ Chris  
Charlie KØJLZ Jim  
Delta KØANN Ann  
Echo NØPUF Dan  
Foxtrot NQØR Randy  
Golf NØNDM Larry  
Hotel      
India NØLP Nick Ground Station

T&R Teams may meet at 0500 at the Truck Stop located at I-70 and Airport Blvd.

 

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