Preliminary Gemini 4 Crew Debriefing, Part I, 1965
NASA-UAP-D016 · page 207 of 340
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199 McDivitt White McDivitt CUNFIDl:~L mission , exclusively. It was very accurate . You could check the times in the plotboard as against what you saw on the ground and you could locate yourself quite adequately. How about you? While I 'm thinking about it, I thought the plot board information early in the flight was excellent. But I thought that the plotboard i nformation at t he end of the flight was not correct . As a matter of fact , I started ~o call them a couple of times , but I never did. By the time I would get the stuff plotted , and get the map put where I wanted it , we would be someplace else . I 'm sure that that in formati on they were sending up to me wasn't right ; I ' d be off an orbit or two . After about the last day and a half, I used the nominal orbit plot maps exclusively. I could see the time and the location. I could spot it right with the ground. And I think I figured it was seven minutes behind near the l atter part of the mission. This didn't bother me . I could tell how far it was behind, and then update my position on the map quite easil y . I thought those pre-plots were real good. So did I . I thought they were, too . But I was a OONFIBENTIAL,