Cameras
http://www.sony.co.uk/product/cam-action-cam/hdr-as15
http://www.mr-lee-catcam.de/ct_index_en.htm
Trackers
Enhanced GPS
http://www.mr-lee-catcam.de/ct_index_en.htm
http://www.loc8tor.com/uk/store?gclid=CMfox4iZj7MCFSbMtAodzTEA2g
http://www.trackershop-uk.com/TRACK-Pod+3+LiveMap+GPS+Tracker-p-59.html
http://www.baerensicher.com/mobile-security/anywhere-1-gps-tracker-waterproof-bearsecure
https://buy.garmin.com/shop/shop.do?pID=67686
http://www.trackerprime.com/en/
Personal GPS beacons
http://international.findmespot.com/
http://www.inreachdelorme.com/
http://www.yellowbrick-tracking.com/
Sensors & Flight computers
http://www.hexpertsystems.com/
http://highaltitudescience.com/
Other