O-Tone NASA: After Lunar Orbit Insertion From Behind Moon - Various - Lunar Landing
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Ask a question - edaboard. I wrote down many of the facts, direct from the Honeysuckle engineers involved at the time, with whom I shared lunch just yesterday. I have email addresses and phone numbers, and a promise from at least one of them to scan and send the original documentation after their return home. Bernard Smith O-Tone NASA: After Lunar Orbit Insertion From Behind Moon - Various - Lunar Landing most helpful he has amazing recall of the details! I have not been able to find out whether that signal was squared-up adding phase noise before re-transmitting.
Ranging data was used to calibrate and separate the Doppler vs oscillator drift. There were two S-band downlink signals, one for TV, the other with a 1. The telemetry downlink was frequency-synthesised from the uplink frequency, using analog phase locking.
It was composed of either a short code or a long code, each produced from shift-register feedback generators of various lengths. The short codes were 11,15,31,63 bits, and the long codes were 11,31,63, bits.
Ranging consisted of sending these in turn and correlating each one receiver had a delayed copy of the PRNGs. The best correlation yielded a "Chinese number" c. Chinese remainder theorem that was added in to start correlation using the next longer sequence. This was capable of range accuracy around 20cm at lunar distance, a spectacular achievement at the time.
The ranging data was used for trajectory estimation by variation from the calculated pathbecause the earth baseline wasn't long enough for accurate triangulation. More details as I get them. Clifford Heath. Sometimes I wonder how limited we are with the current technology.
The question is just to stupid to entertain. O-Tone NASA: After Lunar Orbit Insertion From Behind Moon - Various - Lunar Landing I have to ad, this morning I saw the seamstresses from Platex even got in on the hoax of sewing moon suits together.
I was about 14 then and my mom let me stay up late to watch it. I remember how crummy the video was. The video was slow scan, due to the transmit power requirements.
Higher bandwidth required more power than was available. It was also heavier than they could take on the mission. You can only get so much gain from the antennas. Slow scan allowed the video to be transmitted on an audio channel. Once it was received on earth, it was scan converted, to let the public see it. It was crappy video, or nothing. It's been decades, but I think it was eight seconds per frame for Amateur radio, to fit into a 5KHz audio channel. One commercial product was 'Robot'?
Some use NTSC video at higher frequencies. It was my impression video was transmitted as PCM digital data, Incorrect. Strange, because the footprints are clearly visible. Crash site? They launched leaving behind the LEM base. All of the Faded - Various - Bravo Hits Lato 2016 landing sites are known.
Nothing is missing. Nothing was 'discarded'. All of our gear still up on the Moon is still all our gear. We discarded nor relenquished ownership of none of it. AlwaysWrong, you must work really hard to be this consistently wrong! Did they come home? Then the LEM Isn't at the landing site, you O-Tone NASA: After Lunar Orbit Insertion From Behind Moon - Various - Lunar Landing They crashed the LEM into the moon after returning to the command module.
The shock waves were then seen on the seismometers left on the moon. You are both right. It's pretty interesting that there were seven separate stages of the Apollo mission vehicles.
I also found out that the service module was supposed to fire thrusters to make sure it did not pass anywhere near the deorbiting command module. Having the little guy jump outside for a little space-walk and give the capsule a good "shove" with the jets on his backpack, vaguely in the direction of the ground, seemed to do the trick along with atmospheric drag after about another three or four days of orbits.
I hope he had snacks. The LM has two parts, the descent stage and the ascent stage. Only the ascent stage leaves the moon.
The descent stage remains at the landing site. Only one safely returns to the earth. There was a design problem so this didn't work. On reentry the Apollo 11 crew saw the service module fly past them as they descended, so it ended up in front of them as Solitaire - Vic Lewis And His Orchestra - Solitaire / Lemon Drop (Shellac) disintegrated in the atmosphere.
Potentially any part of the service module could have impacted the descending command module resulting in the death of the astronauts. I wrote down many of the facts, direct from the Honeysuckle engineers involved at the time, with whom I shared lunch just yesterday. It was pretty interesting. There were cameras pointed at TV, including 8mm film, and still film shots. It's not clear to Dream That We Dream Of - Toni Childs - Keep The Faith a video camera was used, but a scan converter was used for the TV broadcast, and this was also videotaped.
I suggested to Dave that he make that video, and introduced him to the folk who could have given him the details - but he couldn't grab any of them I did though! Also to Stan Anderson who was the fleet commander of the Pop Life - Prince - The Hits 1 aeroplanes, not just an "operator" as Dave says the interview subject of another of Dave's videos. I worked on that MK1 ranging machine by General Dynamics.
It used dynamic logic, where a signal was a one, and no signal a zero. It had soldered board contacts, where if mission critical problems, you banged on it. Seems like Bill Wood was going down There, a Goldstone engineer. Pretty amazing guy. A very competent engineer - I knew him well. That was a Westinghouse colour camera that Alan Bean pointed at the sun while mounting it on the tripod. But I guess you knew that.
Brings back the amazing old days. Strange they made that gamma correction error, probably when scientists do not understand video. I also clearly remember that problem with that camera pointed at the sun and it no longer working.
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