Announcement of EOSS-64

As of noon (12:00 MST) today (Saturday, March 29, 2003) EOSS-64 is a go.

Note that the launch time has been moved up 1 hour to 6am local.

LAUNCH DATE: March 30, 2003
LAUNCH TIME: 06:00 am MST, 13:00 UTC
LAUNCH SITE: Meadow Lake Airport (directions)

CHECK the RESTRICTIONS around Meadow Lake Airport on the directions page and DO NOT enter any restricted areas. Thanks.


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

Frequencies:

  • Preflight Net:
    • 147.225 MHz 8 pm MDT Saturday night
      • 145.160 MHz simulcast in the Springs
    • 146.640 MHz will serve as a backup frequency
  • HF Net during Flight (tentative - depends on net control availability)
    • 7228 KHz (see notes about this freq)
    •  starting at 12:15 UTC (5:15am MST)
  • APRS in payload train
    • 144.340 MHz
    • ID
      • Callsign W5VSI-11
      • Digi EOSS
      • Node BALNOD
  • APRS on balloon
    • 445.975 MHz
    • ID: K0YUK-11
  • Beacon
    • 147.555 MHz
  • ATV
    • 426.250 MHz (AM)
  • Tracking and Recovery Operations
    • 448.450 MHz 100 Hz tone PPFMA Repeater
    • 145.355 MHz 100 Hz tone PPFMA Repeater (south of Pueblo - linked to 448.450 MHz)
    • 146.550 MHz simplex (same simplex for field and launch ops)
  • Simplex at Launch Site
    • 146.550 MHz (same simplex for field and launch ops)

Flight System:

Balloon Manufacturer Raven
Balloon Type Plastic
Balloon Size 19,000 Cu Ft
Nozzle Lift unknown until fill
Free Lift % unknown until fill
Ascent Rate  ~ 1000 guess
Descent Rate  ~ 1361 fpm (adjusted to sea level) calculated
Peak Altitude  ~ 80,000 ft
Launch Conditions unknown until flight

See NOTES below regarding payload train configuration


Payload Configuration:

 

GAINS Pump Test payload


Tracking & Recovery Grid

Location X coord Y coord
Pueblo 10 70
Hawley 59 50
Agular 9 10
La Junta 69 50
Launch Point 13 117
Predicted Touchdown 41 32

Hawley is the center site for use by Grid Calculator

These coordinates are for the intersection of roads 10 (east/west) and 71 (north/south). 71 intersects 10 in two locations approximately 1/2 mile apart. These coordinates are taken from the Eastern intersection, closest to the town of Hawley.

  • latitude = 37� 58.947' N
  • longitude = 103� 43.225' W
  • X = 59
  • Y = 50

Tracking Stations as of Saturday Night

  • Alpha = WA0GEH
  • Bravo = KB0YRZ
  • Charlie = N0NDM & W0CBH
  • Delta = N0PUF
  • Echo = KC0CNT
  • Foxtrot = KC0JHQ (ground station bearings)
  • Golf = K0JLZ
  • Hotel = N0LP (computer tracking from ground station)
  • Excel Spread Sheet Triangulation = WB3JZV

Notes:

General Radio Footprint for the flight

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