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Flight #42 - 2025a

The 42nd flight of the Project: Traveler group will again be launched from the Hutchinson Municipal Airport's in conjunction with the Hutchinson Regional's 2025 Open House.

The payloads are still being determined, but will include at least one of the newst Project: Traveler ptSolar trackers operating completely from solar power.

Image

Flight Parameters

Launch Date/Time

Saturday May 3, 2025 at 10:30am (15:30Z)

 

Alternative Date

n/a

 

Launch Site

Hutchinson Municipal Airport (38.07N, 97.87W)

 

Capsule 1

(Track)

Tracker: ptSolar Tracker transmitter signing W0ZC-11

  • 500mW
  • 144.39MHz 

Sensors: n/a

Beaconing: Delay

  • Beacons every 25 seconds
  • Path is disabled above 2000m MSL.

Cameras

  • n/a

0.02kg

Capsule 2

(Track)

Tracker: ptFlex transmitter signing W0ZC-12

  • DRA818V Module
  • 500mW
  • 144.39MHz

Sensors: n/a

Beaconing: Delay

  • Beacons every 55 seconds
  • Path is disabled above 2000m MSL.

Cameras: n/a

 0.23kg

Capsule 3

(Track)

Tracker: LoRaWAN Tracker designed by Travis Baker, W0ECO

  • 100mW
  • 915MHz Band

Beaconing:

  • Below 900m MSL: 20s beacon with a Spread Factor 10 (SF10BW125)
  • Above 900m MSL: 10s beacon with a Spread Factor 8 (SF8BW125)

Beacons will be relayed into APRS-IS as W0ECO-12

Backup Tracker: Backup tracking beacon transmitting CW on 433.94MHz. Includes piezo beeper for audio tracking.

  • 433.94MHz CW

Sensors: n/a

Beaconing: Continuous every 10 seconds.

Cameras

  • n/a

0.32kg

Recovery / Misc

Parachute and misc rigging.

0.30kg

Flight Weight

Total neck weight on balloon.

0.87kg

Balloon / Gas

1200g Kaymont with 6.09cu meters of Hydrogen.

  • Neck Lift: 5.4kg
  • Net Lift: 4.3kg

 

Estimated Burst Altitude

24,500m MSL (80,380')

 

Estimated Ascent Rate

7.7m/s (1,515'/min)

 

Estimated Descent Rate

6.6m/s (1,300'/min) velocity at touch-down.

 

Chase Frequencies

446.100MHz

 

NOTAM Filed

High Altitude Balloon from HUT VOR on radial 038, XXX bound reaching Flight Level 600 from May 3 at 1530Z to May 3 2000Z.