Announcement of EOSS-67

LAUNCH DATE: June 14, 2003
LAUNCH TIME: 07:00 am MST, 13:00 UTC (Changed Due to FAA Requirements)
LAUNCH SITE: Deer Trail (directions)

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

EOSS Frequencies:

• Preflight Net:
  • 147.225 MHz 7 pm MDT preceding Friday night (EARLIER than usual)
    • 145.160 MHz simulcast in the Springs
  • 146.640 MHz will serve as a backup frequency
• HF Net during Flight
  • 7228 KHz (see notes about this freq)
  •  starting at 12:15 UTC (6:15am MST)
• APRS
  • 144.340 MHz
    • ID = W5VSI-11
  • 445.975 MHz
    • ID = K�YUK-11
• Beacon
  • 147.555 MHz
• ATV
  • 426.250 MHz (AM)
• Tracking and Recovery Operations
  • 448.450 MHz 100 Hz tone (primary EOSS T&R Repeater) Pikes Peak FM Association
  • 449.450 MHz 103.5 Hz tone (secondary) RMRL Repeater
  • 146.550 MHz simplex (same simplex for field and launch ops)

Full Frequency Guide for GPSL Balloons

EOSS Grid Layout:

Grid Calculator centered on Last Chance with a lat long of:

• 39� 44.441 North
• 103� 35.615 West

Flight Systems:

EOSS-67

See NOTES below regarding payload train configuration

Payload Configuration:

When payload layout is complete a description will be posted here

Notes:

HF Radio

We try and start an HF net approximately 45 minutes prior to launch on 7.228 MHz. If that frequency is busy we try 7.235 or 7.240 MHz.

The net control for this flight will be Bruce, NA�BR.