ACES-24 Flight Info


LAUNCH TIME: May 25, 2011 @ 12:30 UTC(Tentative)
LAUNCH LOCATION: Columbia Scientific Balloon Facility, Palestine, Texas (31.78317 deg N, 95.72333 deg W)
CUTDOWN TIME: TBD
CUTDOWN LOCATION:TBD
AVERAGE ASCENT RATE: TBD
CUTDOWN ALTITUDE: 35,000ft Maximum
TOUCHDOWN TIME: TBD
TOUCHDOWN LOCATION:


ACES-24 Frequencies:




Live online tracking of ACES-24



KF5GXD-11
Primary Beacon
KF5GXD-11 Tracker
(Single Window)
KF5GXD-11 Range and
Bearing to nearest VOR
KF5GXD-11
Raw Packets
WD5CMA-11
Secondary Beacon
KF5GXD-11 Tracker
(Single Window)
WD5CMA-11 Range and
Bearing to nearest VOR
WD5CMA-11
Raw Packets
Example KF5GXD-11 GPS Position Data - APRS Text format.

KF5GXD-11>APTT4,WIDE2-1:/143928h3024.74N/09110.75WO000/000/A=000075!wP0!

KF5GXD-11 Telemetry Infomation:

example telemetry format: KF5GXD-11>APTT4,WIDE2-1:T#000,12.48,0004,305,304,0009
telemetry decode format: KF5GXD-11>APRS,WIDE2-1,qAR,KB5LS-1:T#nnn,aa.aa,xxxx,ccc,ddd,tttt

nnn=telemetry record number
aa.aa=main battery volts
xxxx=NOT USED
  ccc=inside temperature in kelvins
ddd=outside temperature in kelvins
tttt=timing reference

Example WD5CMA-11 GPS Position Data - APRS Text format.

WD5CMA-11>APTT4,WIDE2-1:/161208h3024.74N/09110.75WO000/000/A=000092!wM0!

WD5CMA-11 Telemetry Infomation:

example telemetry format: WD5CMA-11>APTT4,WIDE2-1:T#001,12.08,0006,309,303,0034
telemetry decode format: WD5CMA-11>APRS,WIDE2-1,qAR,KB5LS-1:T#nnn,aa.aa,xxxx,ccc,ddd,tttt

nnn=telemetry record number
aa.aa=main battery volts
xxxx=NOT USED
  ccc=inside temperature in kelvins
ddd=outside temperature in kelvins
tttt=timing reference



ACES-24 Flight Profiles



Altitude profile data (Excel Workbook)
Altitude profile program (zipped file)



Flight Systems:

Balloon Manufacturer Kaymount
Balloon Type latex
Balloon Size 1500 gram
Nozzle Lift ~17.5 pounds (estimate)
Free Lift % ~5.6 pounds (estimate)
Ascent Rate 1000 fpm (target)
Descent Rate 1400 fpm (estimate)
Peak Altitude 35,000 ft. (target)
Launch Conditions TBD

Payload Configuration:

Parachute: Skyangle 60"
Cutdown Apparatus: Nichrome heating element to melt nylon cord attaching top of parachute to balloon.  Controlled by ground GPS Altitude via Primary beacon System. Contains own batteries. Also contains audio beeper.
Primary Beacon: MicroTrak TT4 transceiver transmitting 144.390 MHz at 500mW sending APRS packet data every 70s. Call KF5GXD-11
Trimble Lassen iQ GPS/Active patch antenna.
Telemetry, Battery Voltage, Pressure, Temperature (in, out)
Antenna: Half wave flexible J-Pole
Direction Finder Beacon: 15mW CW transmitter 445.900 MHz, Call Sign K5LSU
Secondary Beacon: MicroTrak TT4 transceiver transmitting 144.390 MHz at 500mW sending APRS packet data every 70s. Call WD5CMA-11
Trimble Lassen iQ GPS/Active patch antenna
Telemetry, Battery Voltage, Pressure, Temperature (in, out)
Antenna: Half wave flexible J-Pole
Structure: Flight train string, spreader bar, payload clips
Total Flight Support System: 2.320 kg
Experiment A: MARSLIFE Biological Sampler
Experiment B: GOPRO 1080p 30fps HD Video looking down at the MARSLIFE Sampling Chambers.
  Total weight: ~1100g