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balloon_nodes:aj2

AJ2 UKHASnet Balloon Launch

Launch Details

  • Launch 22/5/16 10:00
  • Preston St Mary, Suffolk
  • Howyee 1600gram balloon
  • Aiming for float around 30km

AJ2

  • LPC812 Etna board (RFM69HW)
  • Resistor heater controlled by mosfet with PID control
  • MCP1700 3.3v voltage regulator
  • 2* 3 Lithium Energizer AAs
  • Ublox 6 GPS with large patch antenna
  • 1/4 wave antenna
  • Setup to beacon every 30 seconds, repeat all packets

ATLAS

  • pAVA r7 PCB (Atmega328, Ublox GPS, RFM22)
    • RTTY ASCII-7 Stop 2
    • Frequency 434.300Mhz
    • Continous transmission
    • WARNING - will be drifty
  • 1/4 wave antenna
  • 2* Lithium Energizer AAs
  • Total Mass = 250g
balloon_nodes/aj2.txt · Last modified: 2016/05/21 22:20 by jcoxon