Ronald Evans (CAPCOM)

Columbia, Houston. You're about one by, I could just barely make you out. I can't understand.

Michael Collins (CMP)

Houston, Columbia. How now?

Michael Collins (CMP)

Houston, Columbia. Over.

Michael Collins (CMP)

Houston, Columbia. Over.

Michael Collins (CMP)

Houston, Columbia. Over.

Buzz Aldrin (LMP)

Houston, this is Eagle. Over.

Ronald Evans (CAPCOM)

Hey, Eagle. Houston loud and clear. Columbia was very weak. We were unable to read him.

Buzz Aldrin (LMP)

Roger. We saw you come up over the horizon and it looks like you had a laser operating. Could you confirm that?

Ronald Evans (CAPCOM)

Eagle, Houston. Stand by. We'll check it. And, Eagle, Houston. Can you give us a burn report?

Buzz Aldrin (LMP)

Okay. The CSI burn was on scheduled time of 125 19 3470, 51.5 feet per second was our solution. After chasing residuals a little bit, we ended up with a minus 0.2, plus 0.7, and minus 0.1. And in the AGS, at that time, we had plus 0.4, plus 0.9, and plus 0.3.

Ronald Evans (CAPCOM)

Eagle—Eagle, Houston. We copy. Any plane change? Over.

Buzz Aldrin (LMP)

No. There was no plane change on CSI, and CSM had a 2.3 foot per second burn. We had a 2.9, and we elected to postpone that. Over.

Ronald Evans (CAPCOM)

Roger. We copy, Eagle. Thank you.

Michael Collins (CMP)

Houston, how do you read Columbia now?

Michael Collins (CMP)

Eagle, how about asking them for some high gain angles for me, will you, please?

Buzz Aldrin (LMP)

Roger, Houston, do you have some high gain angles for Columbia? Over.

Ronald Evans (CAPCOM)

Roger, Eagle. And, Columbia, stand by. We'll have them for you shortly.

Ronald Evans (CAPCOM)

Eagle, Houston. Could you verify you switched lithium hydroxide canisters? Over.

Buzz Aldrin (LMP)

That's affirmative. We started getting an erratic indication on primary, so we switched to secondary, and it was again erratic and I thought it might have been a sensor. But it's settled down now, and we're on the secondary. Over.

Ronald Evans (CAPCOM)

Roger. We copy. Mighty fine.

Ronald Evans (CAPCOM)

Columbia and Eagle. Request OMNI Delta for Columbia.

Michael Collins (CMP)

Roger, Houston. I've been in Delta the whole time but it doesn't …

Neil Armstrong (CDR)

Houston. Columbia's been on Delta, but he hasn't had much luck with you.

Ronald Evans (CAPCOM)

Eagle, Houston. Roger. We copy.

Michael Collins (CMP)

Eagle, are you ready to copy your Y dot?

Ronald Evans (CAPCOM)

Eagle, Houston. At your convenience, we'd like to go ahead and try your lithium hydroxides on the primary and let us take a look at it down here.

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Ronald Evans (CAPCOM)

Columbia, Houston. Over.

Neil Armstrong (CDR)

Houston, Eagle. Columbia's been reading you loud and clear on his OMNI's, but he hasn't had any luck in transmitting to you.

Ronald Evans (CAPCOM)

Roger, Eagle. Mighty fine. We don't hear Columbia though.

Buzz Aldrin (LMP)

We're burning ours, Mike. Minus 1.8.

Ronald Evans (CAPCOM)

Columbia, Houston. Over.

Ronald Evans (CAPCOM)

Columbia, Houston. You can go ahead and go to REACQ in the high gain. We should get you then.

Buzz Aldrin (LMP)

Do you have some angles for him, Houston?

Ronald Evans (CAPCOM)

Roger. Pitch minus 30, yaw 180, for Columbia.

Buzz Aldrin (LMP)

Okay. And what was your CSICDH solution, Mike?

Buzz Aldrin (LMP)

Roger. Copy. Thank you.

Neil Armstrong (CDR)

And, Houston, Eagle. Got an ECS light—a CO2 light. Partial pressure's reading about one half millimeter.

Ronald Evans (CAPCOM)

Eagle and Columbia, Houston. Roger. We copy.

Michael Collins (CMP)

Houston, how do you read Columbia?

Ronald Evans (CAPCOM)

Eagle, Houston. We're sure that's a sensor problem. You can leave it on PRIMARY.

Neil Armstrong (CDR)

Roger. We pulled the circuit breakers.

Neil Armstrong (CDR)

And our water separator apparently isn't working too well. We're getting a lot of water through the suit loop, and we've changed water separators, but it doesn't seem to have improved the situation any.

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Spoken on July 21, 1969, 7:36 p.m. UTC (50 years, 1 month ago). Link to this transcript range is: Tweet

Ronald Evans (CAPCOM)

Eagle, Houston. Roger. We copy.

Michael Collins (CMP)

Eagle, Columbia. Standing by to back you up on the burn. Just let me know how it's going.

Buzz Aldrin (LMP)

Okay. You want to know what our NOUN 81 is?

Buzz Aldrin (LMP)

Okay. I think you already got the burn time; minus 8.1, minus 1.8, minus 18.2.

Michael Collins (CMP)

Okay, that's pretty close agreement. And, for burn time, I still have 126 17 46.

Ronald Evans (CAPCOM)

Eagle, Houston. For warm feeling, we are agreeing with your CDH.

Buzz Aldrin (LMP)

Unfortunately, the chart doesn't agree with it, because the range rate at 36 minutes was off the chart.

Ronald Evans (CAPCOM)

Eagle, Houston. When you get a chance, are your LCG's hooked up? And if so, what does the LCG accumulator show?

Michael Collins (CMP)

Eagle, Columbia. Passing over the Landing Site. It sure is great to look down there and not see you.

Ronald Evans (CAPCOM)

Roger. Did you copy on the LCG, there, and the reading on the water accumulator?

Neil Armstrong (CDR)

Yes. Roger. I did. I'm getting …

Buzz Aldrin (LMP)

Houston, the water accumulator is right on the line between the red and the green. Over.

Ronald Evans (CAPCOM)

Eagle, Houston. Roger. We copy.

Ronald Evans (CAPCOM)

Roger. On the water problem, we can't add anything more to it, except the fact that it looks like the water accumulators are up to speed to us down here.

Neil Armstrong (CDR)

Okay. It's not going to be too much trouble.

Buzz Aldrin (LMP)

It's just in one suit, too, for some reason.

Ronald Evans (CAPCOM)

Columbia, Houston. Our COMM problem was traced to a ground station here.

Ronald Evans (CAPCOM)

Roger. You're mighty fine now.

Michael Collins (CMP)

I have a TPI TIG when you guys want to compare them.

Buzz Aldrin (LMP)

Go ahead, Mike. What have you got?

Buzz Aldrin (LMP)

You're about 32 seconds *** than we are.

Unidentified crew member

*** and I'll do it.

Buzz Aldrin (LMP)

*** want to get another *** data update ***