Ronald Evans (CAPCOM)

Tranquility Base, Houston.

Ronald Evans (CAPCOM)

Roger. For your P57 …, we did a little looking around, and it looks like Sirius and Rigel out at detent 6 would be real good on that. The Sun angle on Sirius is about 43 degrees, and on Rigel, it's about 55 degrees. Over.

Buzz Aldrin (LMP)

Roger, Houston. The only trouble is that the Sun is in number 5, the closed one. And it appears to also be close enough to detent 6 to shine on the far side of the cone. And it completely obscures detent 6. I'm—unable to use that at all.

Ronald Evans (CAPCOM)

Okay. We understand it now, and thank you.

Ronald Evans (CAPCOM)

Tranquility, Houston. For your information, the circuitry looks real fine on that ascent engine arm circuit breaker.

Buzz Aldrin (LMP)

Roger. I don't think I could get it out now if I wanted to.

Buzz Aldrin (LMP)

And it looks like in detent 6 I can pick up Venus right at the fringe, but I can't get anything else.

Neil Armstrong (CDR)

And by the way, Houston, our EVA antenna did retract.

Ronald Evans (CAPCOM)

Roger. Mighty fine. Thank you.

Ronald Evans (CAPCOM)

Roger. It looks like you're going to have to reposition the radar here. We suggest you may want to start your TIG minus 45 minute—that point in the checklist at about TIG minus 50. Over.

Buzz Aldrin (LMP)

Roger. Why do you think I need to move the radar?

Ronald Evans (CAPCOM)

Well, we thought that you probably wouldn't be able to get the star there.

Buzz Aldrin (LMP)

On the rear detent, the radar can be pointing plus X, and I'm—I'll be using right rear. That's okay.

Ronald Evans (CAPCOM)

Roger. That's fine then.

Ronald Evans (CAPCOM)

Tranquility Base, Houston. I have one more late checklist change there on the rendezvous radar position for lift off. Over. From page Surface 57.

Ronald Evans (CAPCOM)

Okay. On Surface 57 there on your VERB 21 NOUN 73 trunnion, leave it 180; the shaft we'd like 335. Over.

Buzz Aldrin (LMP)

Roger. Understand. Shaft 335.

Ronald Evans (CAPCOM)

Roger. And if the steerable doesn't quite hack it on lift off, looks like the forward OMNI is good for about 30 to 60 seconds after lift off. And then the aft OMNI antenna is good for the rest of the ascent. Over.

Buzz Aldrin (LMP)

Houston, we've got two angles here at 3 minutes in ascent. Would you confirm those? Pitch 134 and yaw minus 32. Over.

Ronald Evans (CAPCOM)

Tranquility Base. Roger. We verify; those are correct.

Ronald Evans (CAPCOM)

Tranquility Base, Houston.

Ronald Evans (CAPCOM)

Roger. Eagle's looking real fine to us down here. We have a fairly high confidence that we know the position of the LM. However, it is possible that we may have a planes change, but the—In the worst case, it would be up to 30 feet per second. And, of course, we don't expect that at all.

Buzz Aldrin (LMP)

Houston, Tranquility Base. Since we've still got plenty of time I think I'll go ahead and recycle on this 604.

Ronald Evans (CAPCOM)

Tranquility. Roger. That's okay with us, and we assume that the primary canister is still aboard. Is this correct?

Buzz Aldrin (LMP)

We have one primary canister on board and one secondary. The other primary is—out in front of the Z—plus—Z pad. Over.

Ronald Evans (CAPCOM)

Roger. We copy. Thank you.

Neil Armstrong (CDR)

Ready for the blue bag —

Buzz Aldrin (LMP)

The PGNS looks consistent today.

Ronald Evans (CAPCOM)

Hey, that's affirmative, by gosh. Looking great.

Buzz Aldrin (LMP)

Houston, did you copy NOUN 05, and are you looking at 93? Over.

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Ronald Evans (CAPCOM)

Tranquility Base. It's beautiful.

Buzz Aldrin (LMP)

I know where the star is; I'm not sure the PGNS knows where gravity is.

Buzz Aldrin (LMP)

Houston, these are your angles, not ours.

Buzz Aldrin (LMP)

Stand by for some change or modification in the angles.

Ronald Evans (CAPCOM)

Tranquility Base, Houston. Recommend 334, and that should just keep it out of the limit.

Buzz Aldrin (LMP)

Okay.

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Spoken on July 21, 1969, 5:16 p.m. UTC (50 years, 1 month ago). Link to this transcript range is: Tweet