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Ken Mattingly (CAPCOM)
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Okay. We'll take a look at it then. If there wasn't anything that was previously recorded in low bit, then we'll come back and maybe take a look at that, too.
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Bill Anders (LMP)
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Okay. We might get … if maybe we can get in a little closer to the moon to put as big a strain on it as we can.
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Ken Mattingly (CAPCOM)
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Okay. We've completed the dump, and the tape recorder's back to you. You can use it any way you want. We may want to dump that thing again, and if we do we'll go ahead and use the same information unless you have something else that you specifically wanted to put on there later. Listening to the voice quality—it sounds real good. We're coming up on a midcourse 4 and right now it's—talking about doing it on time, and you can anticipate the burn in the neighborhood of 3 foot per second. We're considering and would like for you to think about the possibility of doing this burn using the onboard vector and just have us update the vector in the LM slot, so that you will have the MSFN vector on board. But it looks like it won't have any big effect on the burn results, and it might prove interesting. So if you think about that one for a bit and let us know if you have any suggestions or thoughts on the subject.
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Bill Anders (LMP)
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Roger. You say it uses the onboard vectors and leaves the MSFN vectors on the LM slot.
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Ken Mattingly (CAPCOM)
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That's affirmed, if that's what you would like to do, right. We considered it, and it looks like that would be a reasonable thing.
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Bill Anders (LMP)
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Roger. Frank and Jim are asleep now, and I'll bring this up to them when they wake up.
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Ken Mattingly (CAPCOM)
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Okay, Bill. I guess I want to belay my last about using the onboard state vector for MCC 4. After looking at it some more on the ground, they've got to get going on making the PAD's and doing all their computations, and rather than put it off or do it twice, we're going to go ahead and go with the procedures we've been using all along. On the lunar orbit stuff, we've been looking it over and we got several guys—Jack Schmitt and company in the back room—looking at what effect your windows have. And, basically, it looks like there's two options that will make an impact on that REV 2. One of the options, of course, will be just to have you and Jim change seats and let Jim look out and get his SAM that way, and another option will be to roll the bird over and let Jim point the optics as far forward as he can get them and take his SAM through the telescope. And I guess we'd like to have any thoughts that you folks have on what you think you can do with the windows; if you have anything, we'd like to factor it into our thinking and go ahead and firm up our plans as early as we can. We'd like not to put it off so that we have none of these things to do after midcourse. You folks can probably tell us more about what you can do with those windows. So if you have any thoughts, go ahead and sing out with them, and we'll see what we can do about factoring that in.
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Bill Anders (LMP)
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Okay. With reference to the midcourse, I think that's generally agreed upon, that we do it like we've always been doing it. Now, with respect to the windows, center windows, essentially, are unusable. The two side windows are—may be all right for observation, and the problem with the rendezvous windows is that they're pretty small. And I just thought we'd have to play the window game by ear almost. Not really sure what capability we're going to have. And we'll give you some more thoughts on this later.
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Ken Mattingly (CAPCOM)
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Okay. How about exercising the idea of rolling over and having Jim do his polarization through the telescope because if we have to change attitudes we'd like to go ahead and start thinking about what effects that'll have on such things as antenna orientation and all that.
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Ken Mattingly (CAPCOM)
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Okay. Apollo 8, we'd like to update your CMC clock. This is not to correct errors which we have now but just to make up for some effects that we're going to have in lunar orbit. And what we'd like to have you do is go to P00 and ACCEPT and let us update the clock time.
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Bill Anders (LMP)
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Stand by.
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Ken Mattingly (CAPCOM)
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Okay. We'd like to update CMC. The order that we'll update will be the LM state vector, the CSM state vector, and then the external DELTA-V and the REFSMMAT. So any time you're free with it, we can have P00 in ACCEPT; we'll go ahead with it.
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Bill Anders (LMP)
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I understand you're going to update LM state vector, CSM state vector, and external DELTA-V and the REFSMMAT.
Spoken on Dec. 23, 1968, 10:21 p.m. UTC (56 years ago). Link to this transcript range is: Tweet
