ACES-23 Flight Info


LAUNCH TIME: May 24, 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: 100,000ft Maximum
TOUCHDOWN TIME: TBD
TOUCHDOWN LOCATION:


ACES-23 Frequencies:




Live online tracking of ACES-23



K5LSU-11
Primary Beacon
K5LSU-11 Tracker
(Single Window)
K5LSU-11 Range and
Bearing to nearest VOR
K5LSU-11
Raw Packets
KD5ZUP-11
Secondary Beacon
KD5ZUP-11 Tracker
(Single Window)
KD5ZUP-11 Range and
Bearing to nearest VOR
KD5ZUP-11
Raw Packets
Example K5LSU-11 GPS Position Data - $GPGGA sentence.

K5LSU-11>APRS,qAR,K5LSU-5:$GPGGA,223322.00,3023.5869,N,09106.0887,W,1,04,2.57,00006,M,-025,M,,*5F

K5LSU-11 Telemetry Infomation:

example telemetry format: K5LSU-11>APRS:T#007,11.48,1008,293,291,0284
telemetry decode format: K5LSU-11>APRS,WIDE2-1,qAR,KB5LS-1:T#nnn,aa.aa,pppp,ccc,ddd,tttt

nnn=telemetry record number
aa.aa=main battery volts
pppp=Pressure (mb)
  ccc=inside temperature in kelvins
ddd=outside temperature in kelvins
tttt=timing reference

Example KD5ZUP-11 GPS Position Data - APRS Text format..

KD5ZUP-11>APTT4,WIDE2-1:/140446h3024.74N/09110.75WO000/000/A=000079!wPB!

KD5ZUP-11 Telemetry Infomation:

example telemetry format: KD5ZUP-11>APTT4,WIDE2-1:T#015,11.94,0018,306,293,0444
telemetry decode format: KD5ZUP-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-23 Flight Profiles



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



Flight Systems:

Balloon Manufacturer Kaymount
Balloon Type latex
Balloon Size 3000 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 100,000 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 command through location beacon transceiver.  Contains own batteries. Also contains audio beeper.
Primary Beacon: Kenwood TH-D7A(G) transceiver transmitting at 144.390 MHz at about 4 W, Sending ARPS packet data on a 50 second interval, Call sign K5LSU-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 KD5ZUP-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: 2.567 kg
Experiment A: LaACES Environmental Monitor Pressure Temperature Humiditiy HD Video
Experiment B: LaACES Ozone Monitor
Experiment C: LaACES Atmospheric Conductivity
Experiment D: Southern University Environmental Monitor Pressure Temperature Humiditiy
Experiment E: Grambling State University Environmental Monitor Pressure Temperature Humiditiy
Experiment F: Downward Looking Video Camera and UHF Simplex Repeater (445.950 Mhz 100.0 Tone)
  Total weight: ~1100g