Spacelog Apollo 8

Roger. My temperature is 97.5.

Okay. Thank you.

That's what it was this morning when I felt badly.

Alright; thank you.

Do you want me to go to OMNI now, Ken?

I'd like for you to go to high gain.

High gain?

Yes, sir.

High gain.

This is Apollo 8 on high gain.

Roger. Reading you kind of weak now, but we're gonna take a look at it.

Houston, Apollo 8 on high gain.

Okay. I'm reading you loud with just a little background noise.

Apollo 8, Houston. We're not getting a good lock. I wonder if we could try making sure that we're in AUTO on the tracks and that we're in narrow beam width?

Standby.

How's that, Houston?

Apollo 8, this is Houston. What we're doing right now is collecting baseline data, and we'll be in this mode for another couple of minutes and then we'll be moving out to the second signal.

Apollo 8, Houston. How do you read?

Apollo 8, Houston.

Houston, Apollo 8. Read you five-by.

Okay. We are … we have some ground problems, and we're reading you weak but clear. We're ready to start into our test. We're going to be changing our modes so you'll probably hear a burst of noise as we make the change. This will be a noise that sounds like an S-band onlock. However, your AEC leader will lock that off. This is due to the loss of modulation on the uplink. There will be about 2 minutes, and during this time, you will hear one burst of noise.

Apollo 8, Houston. Voice check. Over.

Apollo 8, Houston. Ready to check.

Apollo 8, Houston.

Apollo 8, Houston.

Go ahead, Houston.

Apollo 8, this is Houston. Do you read?

That's affirmative.

Okay. Thank you. Were you reading all along? We just—This is the first time we've heard you call back.

We've been reading you; we're trying to hold the noise down so we can get some sleep.

Roger. We'll be through with this in just a minute, I think.

Roger. I will answer you, but I'll try to do it quietly.

Okay, Bill.

Apollo 8, Houston. Radio check.

Loud and clear, Houston.

Okay, fine. How about telemetry inputs PCM switch to LOW, please?

They're in LOW, Houston.

Roger.

Apollo 8, we've completed the third test; we're going into the final test now. PCM switch to HIGH, please.

Apollo 8, Houston. We're going to switch uplink to the upvoice backup for about 2 minutes, and may take a few seconds to link the transition. And we'll be back up at 33:56 in our normal mode to place the up-telemetry data switch to upvoice backup at this time. Over.

Roger.

Apollo 8, Houston on backup voice.

Loud and clear, Houston.

Okay, fine; thank you.

Apollo 8, let's go back up-telemetry data switch to DATA.

Apollo 8, Houston.

Apollo 8, Houston.

Go ahead, Houston.

Go ahead, Houston.

Okay, Apollo 8. That completes our COMM test. Thanks for your cooperation. And I've got a change here to NAV sightings that will come up at 32:20. And we want to change your star a little bit there. Are you ready to copy?

Ready to copy.

Okay.

Ready to copy.

Okay, Apollo 8. We would like to change the NAV sighting as follows: we would like to use star 26, that is, two-six; we would like to make it earth-near horizon for two sets, two sets. Then we would like to take star 16 earth-far horizon, one set. If star 26 earth-near horizon is not possible, star 16 earth-far horizon, one set, and star 22 earth-far horizon, one set. Over.

Roger, Houston. Be advised the CMP is asleep … putting those on for a while.

Okay. Stand by.

Apollo 8, okay; we can put this off. What we will probably need from you is some kind of an estimate of when you think somebody will be available to work on it, and we are working on how much lead time we need now.

Stand by …

Roger.

Houston, why don't you figure the CMP will sleep another couple of hours, then the LMP, and then the CDR up to about 43 hours equally. Over.

Okay.

Apollo 8, Houston.

Go ahead, Houston.

Okay. We can put off this NAV sighting. It was scheduled here at 34:20, and we can put it off, Judging from your comments about sleeping, we would like to get it as soon as we can, and right now, our plans are to slide it 2 hours. We will do the P52 by sliding it back to the same thing since it is associated with the P23. So If that's a convenient time for you, why we will plan on that.

We are doing the P52 now. Do you want us to continue?

Well, as far as we are concerned, that isn't going to help us any. We will have to do it over again anyhow.

Okay. And what time do you want to do it?

Well, if you think Jim's going to be up in a couple of hours, why that will slide us 2 hours to 36:20.

Okay. We will go ahead and make another one there and pick it up then if that's okay.

Okay. That will be real fine. Thank you.

What we are going to try to do is get back on the sleep cycle to those sleep periods just prior to LOI by taking shorter cycles for each man.

Houston, Apollo 8.

Apollo 8, go ahead.

How about giving us some REACQ angles, and we'll. stay in REACQ.

Say again, please.

Could you give us some REACQ angles?

Wilco.

Say again.

Apollo 8, this is Houston. I hadn't said anything at that time. We're digging some angles out for you now. In reference to your earlier question about the sleep cycle juggling and so forth: we agree with your comment. We would like to get back on the flight plan as far as the sleep cycles and so forth are concerned by the time we get into lunar orbit. So we'd like for you to use your own judgment about the most efficient way to accommodate the sleep cycles and proportion it up among yourselves. We would like to have you keep us informed of who's doing what and what your plans are. We have the one P23 that we had slipped 2 hours. We'd like to get the other one in. We can also adjust the time for the other P23, if it's going to conflict—I guess that's two more P23's. We can adjust the time for those if you'll let us know what your forecast is for when Jim will be available to take some sightings. So the big message is that we'd like to work around whatever your desires are. If you'll let us know, we'll pick some stars and some angles and have them ready for you.

Okay, Houston. The CMP will be up at 36 hours. The LMP is going to sleep now, and he'll sleep through until 40 and then I'll stagger that in and try to go to sleep around 30 to 37 so that by the time we get to day 3 we'll all be back on the same direct sleep cycle.

Okay, real fine. Thank you.

Apollo 8, Houston. REACQ angles look like minus 45 in pitch, plus 90 in yaw, and 34 23 for the time.

Roger. Copy. This is good using REACQ because it keeps the caution and warning from going off again.

Roger. I understand that. Are you leaving the high-gain antenna on after it swings over to the reset position?

Do you have any reason for us to use the high-gain antenna?

EECOM, do you think we need that, really, very much?

Standby.

Why can we just not use the high-gain antenna for a while? Getting high bit rate on the OMNI's. Okay, let's tell them that we'll just not worry about the OMNI for a while.

Houston, this is the LMP. Before I hit the sack, could you give me a rundown on our systems the way you see them?

Okay, we'll put that together for you and we were just talking about the redundant ECS components check and we were going to put that off until everybody's had a chance to get some sleep. Trying to keep you from having going to the left-hand couch.

Oh, that would be nice. I sent Lovell under the couch, though. I've got one man sleeping under the left couch here—right couch and one man sleeping on our right couch.

Okay. I understand you've got one under and one on the right couch.

Roger. That's affirmed.