START08/pre-HIPPO TF02 (TF01 was just a purge test) Climb to ~ 47 kft and back over 2.5 hours Checklist in notebook No Pd corrs turned on Initially, O2 very noisy (~300 per meg) and Athena analogue signals very noisy Full shutdown of computer (19:44:31) and restart (19:58) fixed O2 noise but not Athena noise 20:06 and 21:28:40 = light chop - possible motion effect Fridge trap inline, 16" u-traps, 3/4" main trap Inlet as 1/4" Synflex with first pressure control in rack - pressure/surface effect on O2 Made 080414z.*r by combining 080414a.*r and 080414b.*.r and deleting 2 extra lines from end of 080414a.hr