====== 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