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Joe Kerwin (CAPCOM)
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Roger, Jim. We show you on telemetry. Looks solid at the new attitude. Just by the way of information, the latest tracking data shows the pericynthion to be holding somewhere above 136 miles, and the pad you have is still good. Over.
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Joe Kerwin (CAPCOM)
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Okay, and, Jim, we wonder whether you've attempted to get drinking water out of the command module po-ti [sic] tank yet. It's—Is that going all right or do you have any questions on it. Over.
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Jim Lovell (CDR)
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As we approach the burn, you want to go through the same check that we did for the last burn. That is, we want to make sure we have everything powered up … circuit breaker by circuit breaker in conjunction with your direction. And for … we ought to have a procedure for powering up the command module again when we have to go back into the command module …
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Joe Kerwin (CAPCOM)
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Okay, Jim. We copied that. First of all, you want to go through the circuit by circuit breaker careful powered-up procedure for the next DPS burn, and we're working on that. Secondly, you want a procedure for powering the command module up again when you have to re-enter it and power it up and we're talking about that and working one up, and we'll get both those for you …
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Jack Swigert (CMP)
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Joe, can you also get us an idea about how far out we can expect to make it on the command module batteries.
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Joe Kerwin (CAPCOM)
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Okay, Jack. It sounds as though we probably don't want to power up the command module before EI minus 2 hours. That doesn't mean we can't start our procedure a good deal before that, but we don't want to power it up much before EI minus 2. Over.
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Jack Swigert (CMP)
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Okay. I was just thinking in case something—we had the sort of problem here about how we would go about getting in the command module … we need to power up—and—in order to make it back into Earth.
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Joe Kerwin (CAPCOM)
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Right, Jack. It's quite clear that we're going to have to very carefully make up a full checklist for you on that; we'll do it.
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Jim Lovell (CDR)
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Oh, well, we've got to have something to … Besides, we can get rid of the LM … decide then what they'll do.
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Jack Swigert (CMP)
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…—hundred ampere-hours. We had it figured out that we had 550 ampere-hours left. …
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Jack Swigert (CMP)
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… bigger than 133 hours. … Oh, yes, I guess—Yes, he's … the descent Thursday afternoon. He had it figured out that—for a splashdown at … number of hours—74 hours, and we've figured out that we—I don't know how we arrived at this—but he added up all the …
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Joe Kerwin (CAPCOM)
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Roger, Jim. We just thought of something; namely, that we probably should get the lithium hydroxide canisters out of the command module reasonably soon just to make certain that they don't stay in there and possibly swell up until they'd be hard to get out. I wouldn't wake up Fred for that, but it's something you should do possibly before you go to sleep.
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Jim Lovell (CDR)
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Okay, Jack, take the lithium hydroxide canisters out. Tie them down, or something like that … command module. And then get us some food …
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Jack Swigert (CMP)
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Okay, … That's another big …, man. If we have to start drinking water out of the … drink damn near a gallon a day.
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Jim Lovell (CDR)
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I'm also figuring that when we've got to go back in there, we'll … take the drogue and the food … back here—take these—put these back in there. …
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Joe Kerwin (CAPCOM)
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Oh, not very good, Jack; suggest that for communication here, we go to POWER AMPLIFIER circuit breaker IN and FUNCTION switch to VOICE.
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Fred Haise (LMP)
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Okay, I didn't want to get through or anything. I just wanted to check and see if we had you at all in this mode.
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Joe Kerwin (CAPCOM)
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Oh, yes, we do have COMM. You're extremely noisy but if you read loud and slow we can easily copy it.
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Joe Kerwin (CAPCOM)
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Roger, we understand that. It is strictly a downlink problem and you can stay in the DOWN VOICE BACKUP mode if you want. If we get involved in conversation, I think we'll want to go back to NORMAL voice.
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Joe Kerwin (CAPCOM)
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Fred, Houston. Understand you'd like to know the GET of your initial powerup, is that correct?
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Joe Kerwin (CAPCOM)
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Okay, stand by.
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Joe Kerwin (CAPCOM)
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Okay, we don't have a percise time for the starting of that procedure yet; we are working on it real hard. It won't be for several hours; and we'll pass it up to you just as soon as we get it. Over.
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Joe Kerwin (CAPCOM)
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Okay. Our estimate is that we will start powering up for the DPS burn at about 76 hours elapsed, which is about 6-3/4 hours from now.
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Fred Haise (LMP)
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Okay, Joe, about 76 hours or so and I guess you misunderstood. My question was what was the GET way back when, when I first came across to the LM and transferred to LM power? How long have we been living on the LM, now?
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Joe Kerwin (CAPCOM)
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Okay, the time of transfer to LM power was 57 hours, 11 minutes. For your information, we seem to be reasonably fat on power. In fact, we are looking at a procedure that we might recommend to you later on after the burn and so forth of powering up one of the command module main buses via the LM umbilical. This would enable us possibly to charge up the command module batteries. Over.
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Fred Haise (LMP)
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Okay, Joe. That sounds great. I just thought that to pass the time, I'd do a little backseat quarterbacking, here.
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Joe Kerwin (CAPCOM)
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Okay, Fred. I have a few words for you on some things we want to do in the next few hours, and in order to get good COMM for that and also in order to give FIDO a few minutes of ranging, I want to have you put the POWER AMPLIFIER circuit breaker in panel 16 in, the VOICE FUNCTION switch to VOICE, and RANGING FUNCTION switch to RANGING. Over.
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Joe Kerwin (CAPCOM)
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Okay, Fred. And you're loud and clear down here now. Okay. What we're getting a procedure ready for you is to do an AOT Sun check at approximately 74 hours or in just a little over 3 hours. That will be a detent 2; we'll have a detail procedure up shortly and it will include a rendezvous radar redesignation to get it out of the way and a P52 maneuver to the attitude. It's our feeling that if that checks out within 1 degree that your platform will be okay for the burn without a subsequent P52. If it's not within 1 degree, we are working up an Earth/Sun alinement procedure to aline the platform, and we'll have that up to you later. Okay. Assuming that the Sun check is okay, we will then give you a star for a confidence check on the back side when you're in the darkness. We'll be updating a burn pad to you prior to LOS going around the Moon. We'll have another look at you after AOS, and we'll update the pad if required. Right now that update should be very small. Over.
Spoken on April 14, 1970, 3:39 p.m. UTC (54 years, 6 months ago). Link to this transcript range is: Tweet
