PicoAtlas

PicoAtlas I - 17/01/2011 Cambridge - reached 2.4km altitude
PicoAtlas II - 30/01/2011 Cambridge - reached 7km altitude
PicoAtlas III - never flew (incorporated into PicoAtlas VI)
PicoAtlas IV - 25/08/2011 Suffolk
PicoAtlas V - 5/9/2011 Suffolk - only reached 1.5km alt before losing 1 balloon
PicoAtlas VI -
- MKI - 24/12/2011 Suffolk - reached 3.4km and then 3.1km with a float period
- MK2 - 07/01/2012 Suffolk - failed shortly after launch
- MK3 - 11/04/2012 Kent - significant float period, antenna problems, lost track over North Sea
- MK4 - TBA