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Ken Mattingly (CAPCOM)
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Okay. And in reference to the OMNI versus the high gain, it looks like we can live with the OMNI antennas here for several more hours, if you would like to delete the use of the high gain.
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Ken Mattingly (CAPCOM)
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Okay. Before you pitch your eyeballs there, we'd like to terminate the battery charge.
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Ken Mattingly (CAPCOM)
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Okay, Apollo 8. All the systems—giving a quick look around the room—look real fine. You've got an RCS quad update on the quantity, so you have that information. The SPS oxidizer feed-line temperature and the fuel temperature are both at 73 degrees. The cryo profile is running right on the line: Battery A—our calculations have 39.63 amp hours. Battery B, 37.94, and battery Charlie, 38.46. The COMM continues to be running ahead of predictions in quality and circuit margins. Everything else looks like it's real fine.
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Bill Anders (LMP)
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Roger. Do you expect to have a low bit rate voice on the DSE off the OMNI's at lunar distances?
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Ken Mattingly (CAPCOM)
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That's negative on DSE off the OMNI's. Not looking forward to that much improvement.
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Ken Mattingly (CAPCOM)
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Okay. I know you're trying to be quiet, so I'll just read up some information to you. One of the things that we just turned up that might give you some confidence, if you lose oxygen cryo tank now: you have 80 pounds remaining now at CM/SM SEP. The limiting factor on single tank operation right now is the hydrogen tank which has a positive margin at CM/SM SEP, assuming our standard profile gives you about 143 hours. So it looks like you are over the hill on those. Notice that you're flying in the rate 2 position for you BMAGS which is fine. Only make sure that you still were maintaining a PTC attitude. Looks like you're pretty close to it.
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Frank Borman (CDR)
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Roger. We are flying PTC, and I was wondering why it was going out of the deadband; now I know. Thank you.
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Frank Borman (CDR)
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That's what happens when you let Anders fly. He's asleep so he can't defend himself.
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Frank Borman (CDR)
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Good. They're both conked out; how about just filling me in on some news, and I'll keep quiet just to give me some words on what's going on in the world.
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Ken Mattingly (CAPCOM)
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Apollo 8, Houston. I believe we've lost our uplink. I'm transmitting in the blind. Read you loud and clear.
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Ken Mattingly (CAPCOM)
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Apollo 8, Houston. Read you loud and clear. We may have some uplink problems; transmitting in the blind, at this time. Over.
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Ken Mattingly (CAPCOM)
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Okay. I'm reading you loud and clear. I understand you have contact with the spacecraft. Is that affirm?
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Ken Mattingly (CAPCOM)
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Okay. Understand that you have good uplink, but your downlink is in the mud. You don't have any way of copying it either, is that correct —
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Ken Mattingly (CAPCOM)
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Okay, Hawaii, we can hear Apollo 8, calling down. Would you answer and tell them that we did copy that?
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Milt Windler (FLIGHT)
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Okay. I'm going to ask him to call the spacecraft again, and I would like for you to give me a report if he does not key the transmitters.
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Ken Mattingly (CAPCOM)
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We transmitted to the spacecraft as per CAP COM and they acknowledged our transmission.
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Ken Mattingly (CAPCOM)
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Okay. We got back together again. You're loud and clear. We've been reading you. We have a problem down here on the ground getting our signal from MCC out to remote site.
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Ken Mattingly (CAPCOM)
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Apollo 8. Houston. I've got a ball score for you. It was Oakland 41, Kansas City 6 is the final score. That's 41 to 6, Oakland. We're trying to get some news releases over here for you. I suspect we're going to find that the staged TV show was probably the biggest news of the day.
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Ken Mattingly (CAPCOM)
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Well, we're working on that some more. I'm not sure that the whole thing is lost yet. It appears that our problem is one where the light intensity which is sensed by our light meter in there is picking up an average field which is much larger than the earth, and so it's sensing a great deal of deep space environment which is dark, and we're suspicious that this is probably opening up the lens aperture as wide as it will go, and then when you point the camera at the earth while the earth is only filling about 3 degrees of cone angle, whereas lens takes in 9. So it looks like you're probably just saturating the tube. Now we're playing around now with some —
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Frank Borman (CDR)
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We just lost you again, Houston.
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Ken Mattingly (CAPCOM)
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Okay. What I—what we've got in mind here is that we are looking at some of the lenses you have on board for cameras, and we are going to see if one of them can possibly be used to attenuate some of this light so that you will be able to take one of these pictures, and we are running some tests now, and we'll let you know about those. I also have a maneuver PAD that I need to read up to you whenever it's convenient.
Spoken on Dec. 22, 1968, 11:32 p.m. UTC (55 years, 10 months ago). Link to this transcript range is: Tweet
