18sept2012formal debrief: friday at 12:30. initial discussions below. recovery attempt discussion: [peter, jon, max, k] found landing site on tax maps of waterford maine; max has called the landowner and received permission to climb tree. jon, max to attempt recovery tomorrow (tuesday). telemetry/data discussion: [patrick, peter, rob, k] problems with DNT to arduino initial turnon ok, final version starts resetting. bad battery pack??? ard/gps/gpsham on ralph pack; dnt 9v; ham its own try on bench with fading batt pack*** when LOS for DNT? recovery team: near burst, realized falling short, started moving. perhaps plot of net distance with time not too cold this time SD card????? to do****** 1))range at LOS for DNT; and, closest range while recovery team listening? 2))parsed DNT data from launch and/or SD card: solar panel behaviour 3))arduino restarts: perhaps weak battery? try on bench 4))DNT master/slave base/remote at launch/recovery groundsites? 5))can having a large ground ant help small payload hear? does DNT protocol require handshaking? transparent mode vs fancy network and checksums; other settings from defaults. 6))ELT loss? FIX CHECKLIST 7))ham access hole with foam plug launch, recovery logistics: [todd, k, ralph, jake] ELT final turnon in checklist needs fixing need to order more balloons upload logistics summary to wiki nina: ed stevens would like pictures todd, jake: reimbursement for for expenses easier access: hinge the dave metal lid. redesign existing tape points. other? ham access. revisit cost/benefit of recovery team goals: recovery vs data collection. |