Attached is your copy of the Apollo Mission Techniques Document for the Mission H-2 and Subsequent Lunar Orbit Activities….
Month: February 1970
Status report on the “P66” fix
There were some things about the terminal descent on the last mission that kind of spooked a lot of people. One of the things suggested as a result of this was to add a capability to the LM guidance and control system which would assist the crew during the last 100 feet or so of…
Software for the AAP CSM spacecraft computer
The time appeared right to try to find out exactly what the program requirements are for the CSM computer for AAP and we had meetings on January 28 and 30 to do that. As a result of these meetings, a number of PCR’s will be prepared and submitted to the Apollo Spacecraft Software Configuration Control…
“For whom does the bell toll?” … “Delta Guidance” … “Oh!”
A couple of years ago, before any of the lunar flights, GCD started looking into improvements in the LM descent guidance and navigation (G&N) computer programs to compensate for possible problems in rough terrain, landing radar performance, descent targeting by the ground, etc. Actually, they were quite successful; they conceived the socalled delta guidance, prefilter,…