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4-27

       wireless headsets will be incorporated for ST3-2.
    
[[left margin]]comm[[/left margin]]   They'll take 1 of 2 headset designs (STAR headset 
       or -DIAGRAM- headset) and adapt it for use with
       wireless set (connect to battery pack &
       transmitter strapped to unit). 2 potential
       problems with headsets: 1. STAR in 0-g?
       2. clip-on for glasses
       Saw bldg. 44 demo of squeal in MID-DECK speaker:
       when transmitting on a headset, get feedback
       through the speaker-box [this would happen with
       any combination of headset transmitter & speaker box]
       Potential solution: better mics (sound suppression)

  [[left margin]]RMS[[/left margin]]     Scobee: get KSC guys to SIMPAC or into SES to run the OMI procedures


 [[left margin]]RCS[[/left margin]]      Don Blevins (X3851)- E&D RCS expert. Gave pitch to Cohen on 4/24 on RCS open work (pre-planned, & as a result of ST3-1):
       1. Replace (a) relief valves on ox side
                  (b) ox regulators
       for similar reasons. The relief valve assembly has a
       thin disc & a poppet relief. If the disc bursts,
       then the poppet is only good for ~ 30 days (it's



Transcription Notes:
I changed the initials in the left margin to [[left margin]]xxx[[/left margin]]. Hope that's OK MCRoss