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  Mercury - Gemini - Apollo
  Apollo 15: Jim Irwin's PLSS antenna

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Author Topic:   Apollo 15: Jim Irwin's PLSS antenna
GACspaceguy
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Posts: 2816
From: Guyton, GA
Registered: Jan 2006

posted 05-01-2009 11:38 AM     Click Here to See the Profile for GACspaceguy   Click Here to Email GACspaceguy     Edit/Delete Message   Reply w/Quote
While doing some research for curiosity sake I have come upon a question: On Apollo 15 it appears that the antenna on Jim Irwin's PLSS is missing in pictures during EVA 2 and 3. It does appear in EVA 1 pictures. Did he damage it after EVA 1 or just not deploy it?

(The antenna on the PLSS is flat rather than round and was secured during flight in the down position against the top of the PLSS.) If it was damaged or not deployed how was communication after the damage/non-deployment?

ilbasso
Member

Posts: 1527
From: Greensboro, NC USA
Registered: Feb 2006

posted 05-01-2009 03:26 PM     Click Here to See the Profile for ilbasso   Click Here to Email ilbasso     Edit/Delete Message   Reply w/Quote
According to this website, Jim's antenna broke at the base when he was re-entering the LM after EVA 1. Dave Scott duct taped it horizontally on the top of Jim's PLSS for future EVAs.

Also see: Apollo Lunar Surface Journal

GACspaceguy
Member

Posts: 2816
From: Guyton, GA
Registered: Jan 2006

posted 05-01-2009 05:41 PM     Click Here to See the Profile for GACspaceguy   Click Here to Email GACspaceguy     Edit/Delete Message   Reply w/Quote
Thanks so much! Great site as well for us fix-it types.

ilbasso
Member

Posts: 1527
From: Greensboro, NC USA
Registered: Feb 2006

posted 05-01-2009 07:24 PM     Click Here to See the Profile for ilbasso   Click Here to Email ilbasso     Edit/Delete Message   Reply w/Quote
That was a great question, Fred. I'm sure I must have read about that a long time ago but had since forgot. It inspired me to go back and look at the photos from the mission again and read some of the transcripts. What a great mission that was!!

All times are CT (US)

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