Mike Collins (CAPCOM)

Apollo 8, this is Houston. Over.

Mike Collins (CAPCOM)

Apollo 8, this is Houston. Over.

Frank Borman (CDR)

Go ahead, Houston. Apollo 8 here.

Mike Collins (CAPCOM)

Roger. We have been having a little antenna problem on the ground here. We are reading you now with a lot of noise in the background. How me?

Frank Borman (CDR)

Loud and clear, Michael.

Mike Collins (CAPCOM)

Roger. Frank, we are still trying to get a little bit better COMM here. Stand by; you're unreadable.

Mike Collins (CAPCOM)

Apollo 8, this is Houston. Over.

Frank Borman (CDR)

Loud and clear, Houston. Apollo 8.

Mike Collins (CAPCOM)

I understand you are reading us loud and clear; we are barely reading you. Would you go to P00 in ACCEPT, please? We are going to send you a P27 update.

Frank Borman (CDR)

Roger. Going to P00 and to ACCEPT, Houston.

Mike Collins (CAPCOM)

Apollo 8, Houston. You are not readable. We are going to delay the P27 until we get a little bit better lock on you.

Mike Collins (CAPCOM)

As long as you're reading me okay, Frank, I'll bring you up to date on a couple of things. The P27 which we will be sending you is a state vector update going to the LM slot, and we'd like to—as per plan—to transfer that to the CSM slot by a VERB 47 ENTER, and we would like to just remind you that prior to doing your VERB 47 ENTER manually select P00 and wait for the computer activity light to go out. Did you copy? Over.

Frank Borman (CDR)

Roger. Roger. We copy.

Mike Collins (CAPCOM)

Okay, Frank. Are you still reading me loud and clear? Over.

Frank Borman (CDR)

Roger. Loud and clear.

Mike Collins (CAPCOM)

Alright. I'll go ahead with a map update when you're ready to copy.

Frank Borman (CDR)

Okay. Can you hold off a minute?

Mike Collins (CAPCOM)

Apollo 8, this is Houston. How are you reading now?

Frank Borman (CDR)

Go ahead, Houston. This is Apollo 8.

Mike Collins (CAPCOM)

Apollo 8, this is Houston with a map update. Are you ready to copy?

Mike Collins (CAPCOM)

Roger. Apollo 8, Houston. Your map update for REV 4/5: LOS 76:59:59, sunrise 77:09:06, prime meridian 77:15:47, AOS 77:45:50, sunset 78:22:03; IP-1 position time for control point 2, 77:29:42; IP-1 time closest approach for target B-1, 78:10:25. Over.

Frank Borman (CDR)

We'll have to get that data later on.

Mike Collins (CAPCOM)

We'll try it again later, Frank.

Mike Collins (CAPCOM)

Apollo 8, this is Houston. Over.

Bill Anders (LMP)

Do you want to take this NAV sighting?

Mike Collins (CAPCOM)

Apollo 8, this is Houston. Over.

Bill Anders (LMP)

Roger, Houston. How do you read?

Mike Collins (CAPCOM)

Reading you a lot better, Bill. How are you reading me?

Bill Anders (LMP)

I'm reading you five—loud and clear, and you copying our low bit data to record these tracking passes? Over.

Mike Collins (CAPCOM)

That is affirmative. We are getting low bit data now.

Bill Anders (LMP)

Okay. I've played—run the tape recorder back to the beginning. We have quite a bit of high bit, so all you'll have to do is start recording when you are ready.

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Spoken on Dec. 24, 1968, 4:44 p.m. UTC (55 years, 5 months ago). Link to this transcript range is: Tweet

Mike Collins (CAPCOM)

Roger. Stand by one, Bill.

Mike Collins (CAPCOM)

Apollo 8, Houston. Stand by one on the tape recorder dump. We would like you to look at your steam pressure. We think that the primary evaporator may have dried out, and if the steam pressure shows off-scale low, would you please close the back pressure valve and reservice the evaporator? Over.

Mike Collins (CAPCOM)

Apollo 8, Houston. We are ready to send you the P27 LM state vector update when you are ready. Over.

Frank Borman (CDR)

You will have to wait until this tracking exercise is over with, Mike.

Mike Collins (CAPCOM)

Apollo 8, this is Houston. Were you calling? Over.

Bill Anders (LMP)

Roger. You can go ahead now and give you computer and get the updates, and let's get going on the PAD messages.

Bill Anders (LMP)

It is in P00 and ACCEPT.

Bill Anders (LMP)

Okay, Houston. Are you ready to talk about the water boiler problem?

Mike Collins (CAPCOM)

Roger. We copy you in P00 and ACCEPT, and we are sending you a P27 LM state vector. On the water boiler, it looks to us like the evaporator has been reserviced. How does it look to you? Over.

Bill Anders (LMP)

Roger. I reserviced it, put it to AUTO—H2O flow to AUTO; and the steam pressure went to zero again. So I tried reservicing it the second time for 1 minute, and again no results. I'm in the present process of closing the back pressure valve manually. Over.

Mike Collins (CAPCOM)

Roger. Understand you tried to reservice it twice, both times steam pressure has gone to zero, and now you are closing the back pressure valve manually.

Bill Anders (LMP)

Roger. Each time I have reserviced it, the steam pressure came up to about 0.07 to 0.1; but as soon as the steam and water were put to AUTO, the steam pressure went right back down again.