Jack Swigert (CMP)

Joe, has your continued tracking changed our pericynthion altitude any?

Joe Kerwin (CAPCOM)

Stand by. We'll get the latest on that, Jack.

Joe Kerwin (CAPCOM)

Roger, Jack. We're still looking at 137 miles and Doppler's confirming it. We will have a good update after 67 hours.

Jack Swigert (CMP)

That's good. I want to say you guys are doing real good work.

Joe Kerwin (CAPCOM)

Okay, Jim. We've come up with a COMM recommendation which we hope will save some power by powering down the power amplifier, if it works. And I'd like to read up the steps to you and have you think about them for a minute, and we recommend trying it before the first yaw maneuver. Over.

Jim Lovell (CDR)

Okay. You can read up the steps.

Joe Kerwin (CAPCOM)

Okay. Step 1, BIOMED off; step 2, go to LOW BIT RATE; step 3, go to DOWNVOICE BACKUP; step 4, POWER AMP to PRIME; step 5, panel 16, POWER AMP CIRCUIT BREAKER open; step 6, RANGE FUNCTION switch, off. Read those back to me, and then I'll have a remark.

Jim Lovell (CDR)

Okay. BIOMED, off; LOW BIT RATE; DOWNVOICE BACKUP; POWER AMP to PRIME; circuit breakers, panel 16, POWER AMP CIRCUIT BREAKER, open. RANGE FUNCTION switch, off.

Joe Kerwin (CAPCOM)

Okay. And the note says that you should be able to hear us. If we can't hear you in a couple of minutes, you should close the POWER AMP circuit breaker on panel 16, and we expect to save an amp or more on this. It should work in the present attitude. When we go to the new yaw attitude, we're thinking about powering up the steerable, leaving the POWER AMP off and, if we can get good COMM in that mode, we'll still save some power. So if you concur, why don't you go ahead.

Jim Lovell (CDR)

Okay. In this mode, you should hear us—or we should hear you, but if you can't hear us, then we ought to close POWER AMP circuit breaker again. Is that right.

Joe Kerwin (CAPCOM)

That's affirm. We'll just run a little COMM check after you get done and see how we're doing.

Jim Lovell (CDR)

Okay, fine. And if that all fails, we'll go back to our original configuration.

Fred Haise (LMP)

POWER AMPs in PRIMARY.

Jim Lovell (CDR)

Okay. Circuit breakers 16, POWER AMP circuit breaker, open; COMM; POWER AMP circuit breaker, open.

Fred Haise (LMP)

There's only one. Ready?

Jim Lovell (CDR)

RANGE … switch off.

Fred Haise (LMP)

Yes, I think so; yes, that's off.

Jim Lovell (CDR)

… Okay, Houston; Aquarius. How do you read me?

Joe Kerwin (CAPCOM)

Aquarius, this is Houston. We read you with a lot … static. How do you read us? Over.

Jim Lovell (CDR)

We read you with a lot of noise, the noise seems to indicate … read you better.

Joe Kerwin (CAPCOM)

I didn't copy your last remark, Jim. I heard that you had a lot of noise in the background also.

Jim Lovell (CDR)

Okay, Houston; Aquarius. How do you read us now?

Joe Kerwin (CAPCOM)

Just the same, Jim. You're readable but it's very noisy.

Jim Lovell (CDR)

Okay. We can still read you. Do you want us to remain in this configuration?

Joe Kerwin (CAPCOM)

Stay there for the next minute or two anyway, Jim, while we evaluate it.

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Jim Lovell (CDR)

Okay. I'll tell you what we need, Jack. Try to get this squared away again. We—See if you can't report the right procedures here. … the procedures, the whole works, before we get all balled up here.

Fred Haise (LMP)

Yes. Okay. You guessed it.

Jim Lovell (CDR)

I've come up with nothing here.

Fred Haise (LMP)

Stand by for … Give me—… over on my side there. My—…

Fred Haise (LMP)

Find anything back in there?

Fred Haise (LMP)

Better get a … there, a paper towel. …

Jim Lovell (CDR)

Let's just check in here …

Jim Lovell (CDR)

… Well, we should have some around here somewhere.

Jim Lovell (CDR)

Oh, here they are. …

Fred Haise (LMP)

Why don't you put that right up there, just like that. Is that all you've got on it? There you go.

Jim Lovell (CDR)

It sure stays on, I'll tell you that. It's built like a regular …

Jim Lovell (CDR)

Hey, look out that left-hand window. … I can't see a thing.

Jim Lovell (CDR)

Well, is there anything … done earlier?

Jim Lovell (CDR)

Okay. What we do here is, …?

Jim Lovell (CDR)

… the command module.

Jim Lovell (CDR)

Find the flight plan, too, while up there.

Jim Lovell (CDR)

Okay. Why don't you recopy this procedure on page 4-42.

Fred Haise (LMP)

We going to keep a log of all the procedures?

Jim Lovell (CDR)

We ought to copy down the ones that get water, too. … Keep them all in one spot.

Joe Kerwin (CAPCOM)

Aquarius, Houston. Over.

Joe Kerwin (CAPCOM)

Okay. Speak slow because there's a lot of noise in the background. Have you completed your first 90-degree yaw maneuver? And, if you haven't, we recommend it. Over.

Jim Lovell (CDR)

Okay. We have not. We have not completed it. We will start. We want you to monitor the maneuver. Over.

Joe Kerwin (CAPCOM)

Okay, Jim. And I want to pass you up a short procedure for activating the S-band steerable antenna, which we'd like you to do after you complete the 90-degree yaw. Are you ready to copy? Over.

Joe Kerwin (CAPCOM)

Okay. First, on panel 11, close the S-BAND ANTENNA circuit breaker. Then go to Activation, page 28, steerable antenna activation —

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Spoken on April 14, 1970, 12:05 p.m. UTC (54 years, 8 months ago). Link to this transcript range is: Tweet

Joe Kerwin (CAPCOM)

— and complete steps 2, 3, and 4 of Activation 28. You'll have to do a VERB 64 to get the pitch and yaw angles, and the last step is on panel 16, S-BAND ANTENNA HEATER circuit breaker to CLOSE. Over.

Jim Lovell (CDR)

Joe, we didn't get all of that. We just have, “Complete steps 2, 3, and 4 of activation” and then 68 or 28.

Jim Lovell (CDR)

Then do a VERB 64 to get -

Joe Kerwin (CAPCOM)

Aquarius, Houston. That procedure I just passed you, please disregard it. Over.

Jim Lovell (CDR)

Disregard it. Okay. Do you want me to start my yaw maneuver now? And I'll be yawing to my right. One-way maneuver.

Joe Kerwin (CAPCOM)

Roger. Right yaw is acceptable, but wait 1 before you start the maneuver.

Joe Kerwin (CAPCOM)

Okay. You are GO to commence the yaw maneuver. If we don't have COMM after you complete the yaw maneuver, bring the power amplifier back on. Over.

Jim Lovell (CDR)

Roger. Understand. We'll start the yaw.

Jack Swigert (CMP)

They're almost getting bigger and bigger, Jack. It's over here now.

Jim Lovell (CDR)

Hey, you got a list … off over here.

Jim Lovell (CDR)

… to do is put water in it.

Jim Lovell (CDR)

What do I turn that to?

Jim Lovell (CDR)

… Yes … down to 270 …

Jim Lovell (CDR)

Why don't you go RATE/RATE now, before we …

Jack Swigert (CMP)

We're on the ascent tank, too.

Joe Kerwin (CAPCOM)

Houston, Aquarius. Did you call?

Jim Lovell (CDR)

Negative, Houston. We did not call. How you reading us?

Jack Swigert (CMP)

Get up front and turn that antenna …

Jim Lovell (CDR)

And, Houston, could you give us an approximate time to turn off the ascent O2 in case we're losing point with you?

Joe Kerwin (CAPCOM)

Roger, Jim; and copying about half your words.

Jim Lovell (CDR)

Roger, Houston. We'd like a time to go back to descent O2 in case we lose communications with you.

Joe Kerwin (CAPCOM)

Jim, Houston. That's affirmative. You may go back to descent O2. Over.