ACES-12 Flight Info


LAUNCH TIME:1230Z Tuesday May 19 (Weather contingency May 20)
LAUNCH LOCATION: Columbia Scientific Balloon Facility, Palestine, Texas (31.78317 deg N, 95.72333 deg W)
BURST TIME: 
BURST LOCATION:
BURST ALTITUDE:
TOUCHDOWN TIME:
TOUCHDOWN LOCATION:

ACES-12 Frequencies:


Live online tracking of ACES-12

K5LSU-11 K5LSU-11 Tracker (Single Window) K5LSU-11 (Dual Window) K5LSU-11 (3D) K5LSU-11 Range/Bearing to nearest VOR
W5GIX-11 W5GIX-11 Tracker (Single Window) W5GIX-11 (Dual Window) W5GIX-11 (3D) W5GIX-11 Range/Bearing to nearest VOR
Example GPS Position Data - $GPGGA sentence.

K5LSU-11>APRS,KD5QZD-2*,WIDE1,WIDE2-2,qAR,K5LSU-5:$GPGGA,223322.00,3023.5869,N,09106.0887,W,1,04,2.57,00006,M,-025,M,,*5F

Telemetry Infomation:

example telemetry format: K5LSU-11>APRS,WIDE1*,WIDE2-2,qAR,KB5LS-1:T#nnn,aa.aa,0000,ccc,ddd,tttt

where nnn=telemetry record number
aa.aa=main battery volts
0000=NUll Channel
ccc=inside temperature in kelvins
ddd=outside temperature in kelvins
tttt=timing reference

example telemetry format: W5GIX-11>APRS,WIDE1*,WIDE2-2,qAR,KB5LS-1:T#nnn,aa.aa,bbbb,ccc,ddd,tttt

nnn=telemetry record number
aa.aa=main battery volts
bb.bb=GPS battery volts
ccc=inside temperature in kelvins
ddd=outside temperature in kelvins
tttt=timing reference


ACES-12 Flight Profile


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. Also contains audio beeper.  205g
Primary Beacon: Kenwood TH-D7 transceiver transmitting at 144.390 MHz at about 4 W, Sending ARPS packet data on a 40 second interval, Call sign K5LSU-11, Trimble Lassen iQ GPS with active patch antenna - 588 grams
Antenna: Coaxial Half Wave Dipole - 80 grams
Experiment A: TBD
Experiment B: TBD
Experiment C: TBD
Experiment D: TBD
Secondary Beacon: Kenwood TH-D7 transceiver transmitting at 144.390 MHz at about 4 W, Sending ARPS packet data on a 50 second interval, Call sign W5GIX-11, Garmin GPS-25LVS, Passive conformal patch antenna for GPS - 777 grams
Antenna: Half wave flexible J-Pole - 80 grams
MORSE BEACON: Modulated CW on 445.975 MHz FM 15 mW QSL via K5LSU, Report Beacon text copied.
Structure: Flight train string, spreader bar, payload clips - 100 grams
   
   
  Total weight of payload string is < 12 pounds