ACES-04 Flight Info


LAUNCH TIME:May 23, 2006 8:05 am Central Time
LAUNCH LOCATION: Columbia Scientific Balloon Facility, Palestine, Texas (31.78317 deg N, 95.72333 deg W)
BURST TIME:  May 23, 2006 12:18 pm CST
BURST LOCATION:31.6332 deg N, 95.8482 deg W
BURST ALTITUDE: 108,938 feet
TOUCHDOWN TIME:May 23, 2006 12:51 pm CST
TOUCHDOWN LOCATION:31.5867 deg N, 95.8359 deg W

ACES-04 Frequencies:


Live online tracking of the flight was available


Flight Systems:

Balloon Manufacturer Kaymount
Balloon Type latex
Balloon Size 3000 gram
Nozzle Lift ~17.6 pounds (estimate)
Free Lift % ~5.6 pounds (estimate)z
Ascent Rate 1000 fpm (target)
Descent Rate 1200 fpm (estimate)
Peak Altitude 105,000 ft. (target)
Launch Conditions


Payload Configuration:

Parachute: Skyangle 60" - 372 grams
Cutdown Apparatus: Nichrome heating element to melt nylon cord attaching top of parachute to balloon.  Controlled by ground command through location beacon transceiver.  Contains own batteries and battery heater - 142 grams
Location Beacon: Modulated FM Morse Code beacon every 45 seconds, Radio Shack HTX-400 transceiver transmitting at 445.950 MHz at about 300 mW, Flexible half wave J-pole antenna, PIC 16F84A microcontroller and DTMF command decoder - 385 grams
Primary Beacon: Kenwood TH-D7 transceiver transmitting at 144.340 MHz at about 4 W, Sending ARPS packet data on a 30 second interval, Call sign K5LSU-11, Garmin GPS-25LVS, Passive conformal patch antenna for GPS - 777 grams
Antenna: Half wave flexible J-Pole - 80 grams
Experiment A: MRE (McNeese) - Thermal Study
Experiment B: HUSP (LaTech) - UV, Humidity
Experiment C: GR2 (LSU) - Cosmic Rays
Experiment D: ATTIDET (LSU) - Accelerometer
Secondary Beacon: Kenwood TH-D7 transceiver transmitting at 144.340 MHz at about 4 W, Sending ARPS packet data on a 60 second interval, Call sign W5GIX-11, Garmin GPS-25LVS, Passive conformal patch antenna for GPS - 670 grams
Antenna: Half wave flexible J-Pole - 80 grams
Structure: Flight train string, spreader bar, payload clips - 100 grams
   
   
  Total weight of payload string is < 12 pounds