0 = Last Dive,           4669 UTC
--SBD: Dive, Yr-Day, Valid, MOMSN, bytes, Lat, Lon, std_dev[km]  ------------- 
--Echo of latest Shore Commands  --------------------------------------------- 
--GPS: Dive, phase, date/UTC, 1=valid, lat, lon, ...  ------------------------ 
--EC: Dive, Ntries Nsent SBDstat Shore_stat T_SBD Wing: COMMS info  ---------- 
--EF: Dive Navg Psurf Zmax Pitch Alt+Sig Roll_err EX_stat: FLIGHT info  ------ 
--EN: Dive DRx DRy Wlat Wlon Tleave Tend Tslow Head M/T: NAV info  ----------- 
--EP: Dive Zmax Volts Amps Nbad Tmax Max_Amp Vac Tpmp1 Tpmp2: PUMP info  -----