Recap of EOSS-62

Track vs. Prediction

Green = Actual Flight Track
Purple = predicted ascent
Red = predicted descent

Recap Info

Launch Site - Windsor
-----------------------
Launch Point: 40.4737� lat.   -104.9635� long.
Grid: X=-41.3 Y=103.2
Ascent Rate: 1100 feet per minute
Descent Rate: 1350 feet per minute
Altitude: 5020 feet
Predicted Landing Site
-----------------------
Landing Point: 39.3245� lat.  -103.8632� long.
Grid: X=16.8 Y=23.8
Altitude: 6500 feet
Flight Time: 109 Minutes
Bearing: 143.3� True
Range: 98.5 Mi.
Actual Landing Site
-----------------------
Landing Point: 39.159� lat.  -103.6947� long.
Grid: X=25.8 Y=12.4
Bearing: 143.0� True
Range: 113.0 Mi.
Difference from Predicted to Actual Landing Site
--------------------------------------------------
Bearing: 141.7� True
Range: 14.6 Mi.

all values are predicted except for the last two entries

If an EOSS payload is highlighted, there is a link to an information page about that payload.

LAUNCH DATE: November 16, 2002
LAUNCH TIME: 09:31 am MST, 16:31 UTC
LAUNCH SITE: Windsor (directions)

Flight System:

Balloon Manufacturer Kaysam
Balloon Type Rubber
Balloon Size 1200 g
Nozzle Lift 18.55 lbs
Free Lift % 25%
Ascent Rate 1137 fpm (calculated)
Descent Rate ~ 700 fpm (adjusted to sea level)
Peak Altitude 89,140 ft
Launch Conditions Calm

Frequencies:

  • HF Net during Flight
    • 7176 KHz (see notes about this freq)
    •  starting at 15:15 UTC (8:15am MDT)
  • Simplex Repeater (see notes)
    • 144.340 MHz
  • Cross Band Repeater
    • Input 445.975 MHz
    • Output 147.555 MHz
      • APRS burst @ once a minute
    • See Notes below for special info
  • APRS (on Output of Cross Band Repeater)
    • 147.555 MHz
    • ID: W0WYX
  • Tracking and Recovery Operations
    • 449.450 MHz 103.5 Hz tone RMRL Repeater
    • 146.550 MHz simplex (same simplex for field and launch ops)
    • 449.425 MHz KA0ULN mobile repeater
      • 123 Hz tone required
      • Standard offset
  • Simplex at Launch Site
    • 146.550 MHz (same simplex for field and launch ops)

Payload Train Graphic


Cross Band Repeater Log


Data Files:

Text files:

Spread Sheet files:


Radio Coverage for EOSS-62 Cross Band Repeater

Coverage at 95,000 feet ASL

Light Green - (good packet reception) APRS
Red - The 0.40 uV threshold - voice may be possible outside of this zone but will be noisy

This plot generated by Radio Mobile