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CAPCOM
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Friendship Seven, this is Zanzibar Cap Com, reading you weak but readable. We have solid telemetry contact. Report your status. Over.
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John Glenn
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Roger. This is Friendship Seven. My status: I am on ASCS, it is not holding all the time. My trouble in yaw has reversed. During the first part of the flight, when I had trouble over the west coast of the United States, I had a problem with the yaw, with no low thrust to the left; now I have thrust in that direction but do not have low thrust to the right. When the capsule drifts out in that area, it hits high thrust and drops into orientation mode, temporarily. Over.
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CAPCOM
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Roger, Friendship Seven. This is Zanzibar Cap Com. Continue with your 30-minute report. Over.
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John Glenn
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Roger. This is Friendship Seven. Thirty-minute report follows: Head movements cause no nausea or no bad feelings at all. I am surprised that I can look as close to the sun as I can; the sun is shining directly on my face at present time, and all I have to do is to shade my eyes with my eyebrow. All fuse switches are still as previously reported on left panel. ASCS Mode Select is normal, auto, gyro normal: Squib is armed, Auto Retrojettison is off. All “T” handles are in except manual and I have it pulled so that I can immediately go to manual as a backup in case the ASCS malfunctions further. The Rescue Aids are normal. Landing bag is off. All other sequence panel items are in normal position. Control fuel is 68-100 [percent], repeat, 68-100. EPI is indicating my approximate position. Time from launch is 02 plus 06 plus 30 MARK. Retrograde time for [area] H is still set for 04 plus 32 plus 28. I would like to know if Canaveral wants me to reset that into the clock. Over.
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CAPCOM
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Friendship Seven, this is Zanzibar Cap Com. We don't have word from Canaveral instructing us to instruct you to change the clock at this time.
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John Glenn
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Roger. This is Friendship Seven. Thirty-minute report continues. Cabin pressure is 5.6 and holding. Cabin temperature is 95 [degrees] and dropping slowly. The relative humidity is 20 [percent], coolant quantity is 67 [percent], and suit environment temperature is 68 [degrees], pressure is 5.8. Steam temperature is 47 [degrees], and I'm turning that down a little bit more now. Oxygen is 68-100 percent; amps, 22; voltages: main 24, 25, 25, 25; standby one, 25, 25. Cabin excess water light is on, turning that one down. Over.
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John Glenn
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This is Friendship Seven. Sun, I want to make a mark here when the sun goes down. Sun is on the horizon at the present time, a brilliant blue out from each side of it. And I'll give a mark at the last. The sun is going out of sighs. Ready now, MARK (2:09:06). There's a brilliant blue out on each side of the sun, horizon to horizon almost. I can see a thunderstorm down below me somewhere, and lightning.
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CAPCOM
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Friendship Seven, this is Zanzibar Cap Com. Contingency time for Area 2 Delta, 02 38 31 Did you copy? Over.
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CAPCOM
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Friendship Seven, this is Zanzibar Cap Com. Please comment an reach accuracy and visual acuity. Over.
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John Glenn
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Right, visual acuity is good. I have no problem reading the charts, no problem with the astigmatism at all. I am having no trouble at all holding attitudes either. I'm still on fly-by-wire. I'm on normal ASCS but I'm backing it up with manual at present time. Over.
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CAPCOM
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The inverter temperatures are 205° for fans inverted 190° for ASCS inverter. We are losing telemetry contact. Stand by to contact IOS, Zan.
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John Glenn
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This is Friendship Seven. I still have very bright light along the horizon; orange at the bottom, yellowish layer, then blue, then very dark on top.
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John Glenn
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This is Friendship Seven. I read you okay, Indian Com Tech. This is Friendship Seven. I am on straight manual control at present time. I have 92 percent fuel. Over on, on manual, auto fuel is at 64 [percent]. Over.
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CAPCOM
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Friendship Seven, Friendship Seven, this is Indian Cap Com. You are fading in and out. Say again your fuel positions. Over.
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John Glenn
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This is Friendship Seven. Capsule dropped into orientation mode again on ASCS. I took it over manually and am reorienting at present time. Over.
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John Glenn
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Right, it dropped into orientation mode. I have fuel quantity warning light on in automatic. I'm okay at present time. Have capsule under control and using manual. Over.
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John Glenn
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This is Friendship Seven. Fuel, 62-90 [percent]; oxygen, 68-100 [percent]; amps, 20. Over.
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John Glenn
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Roger. This is Friendship Seven. I have good night horizon check, can control okay on night horizon.
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CAPCOM
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Friendship Seven. this Indian Cap Com. Can you see any constellations and identify them? Over.
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John Glenn
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This is Friendship Seven. Affirmative. I'm pitching up at present time to try and identify some of them. At capsule attitude in orbit, you can't see very much of the sky. Over.
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CAPCOM
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Friendship Seven, this is Indian Cap Com. Are you prepared to copy your retrosequence time? Over.
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John Glenn
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Roger. This is Friendship Seven. Do not have it in sight; cloud cover solid underneath. Over.
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CAPCOM
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Friendship Seven, this is Indian Cap Com. We read 95° on auto fuel temp, 95° on manual fuel temp. Standby one.
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CAPCOM
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That is affirmative. We have message from MCC for you to keep your Landing Bag switch in off position, Landing Bag switch in off position. Over.
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CAPCOM
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Roger. Area 2 Delta time is 2 hours, 38 minutes, 31 seconds. I say again, 2 hours, 38 minutes, 31 seconds. Over.
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CAPCOM
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Roger. End of orbit area Golf is 3 hours plus 00 minutes plus 39 seconds, I say again, 3 hours plus 00 minutes plus 39 seconds. Over.
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John Glenn
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This is Friendship Seven. Negative. I have some problems here with ASCS. My attitudes are not matching what I see out the window. I've been paying pretty close attention to that; I've not been identifying stars. Over.
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Comm Tech
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Friendship Seven, Friendship Seven, this is Muchea Com Tech. Friendship Seven, this is Muchea Com Tech. Do you read?
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Comm Tech
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Friendship Seven, Friendship Seven, this is Muchea Com Tech. Have your telemetry. Muchea Com Tech. Do you read?
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CAPCOM
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Friendship Seven, Friendship Seven, this is Muchea Com Tech. Friendship Seven, this is Muchea Com Tech. Do you read? Over.
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CAPCOM
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Friendship Seven, Friendship Seven, this is Muchea Com Tech, calling on HF and UHF. Friendship Seven, this is Muchea Com Tech. Do you read?
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John Glenn
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Roger, Muchea Cap Com. Loud and clear. Fuel, 62-85 [percent]; oxygen, 65-100 [percent]; amps, 22. Over.
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CAPCOM
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Loud and clear. You were coming in slightly garbled. Could you give us your fuel, oxygen and amps? Over.
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John Glenn
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Negative, I am on manual at present time. I'm down to 60 [percent] on automatic fuel, so I cut it off and I'm on manual at present time. Over.
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John Glenn
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This is Friendship Seven. I am getting some erratic indications in all axes. When I align everything on orbit attitude by the instruments I am considerably off where I should be. I'm rolled some 20° to the right; I'm also yawed to the right a little bit. Over.
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CAPCOM
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Roger, understand. Are you satisfied with the fly-by-wire and manual proportional systems? Over.
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John Glenn
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That's affirmative. When I first had trouble with it, it was malfunctioning in low yaw left, and now low yaw left is operating okay, but low yaw right is not operating. Over.
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CAPCOM
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Roger. Have you tried caging your gyros and re-erecting them. What do you think about this? Over.
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John Glenn
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Negative, have not yet. I want to get an alignment as soon as I get back in daylight and do just exactly that. I think my, I'm probably not—my scanners are probably not working right. Over.
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CAPCOM
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They wanted this answer. Do you have your retrosequence times 2 Dog, Easy, and Golf from Indian Ocean Ship?
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John Glenn
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Negative, I have no ill effects whatsoever. I don't even really notice it now. I'm just, very comfortable.
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John Glenn
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I have the constellation of Orion up here in the window now. I'm holding a position on it.
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CAPCOM
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Friendship Seven, Muchea Cap Com. Do you still have high, both high thrusters in fly-by-wire? Over.
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John Glenn
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That's affirmative, I do.
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CAPCOM
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Friendship Seven, Muchea. Just a reminder to take your exercise after the blood pressure. Over, Woomera.
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CAPCOM
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Cape advises that you conduct this horizon check, and cage the gyros before California contact. Over.
Spoken on Feb. 20, 1962, 5:03 p.m. UTC (62 years, 8 months ago). Link to this transcript range is: Tweet