1969

Sources:

1 http://www.collectspace.com/resources/tindallgrams/tindallgrams01.pdf
2 http://www.collectspace.com/resources/tindallgrams/tindallgrams02.pdf
3 http://www.collectspace.com/resources/tindallgrams/1967_tindallgrams.pdf
4 http://www.collectspace.com/resources/tindallgrams/1968_tindallgrams.pdf
5 http://www.collectspace.com/resources/tindallgrams/1969_tindallgrams.pdf
6 http://www.collectspace.com/resources/tindallgrams/1970_tindallgrams.pdf
7 http://web.mit.edu/digitalapollo/Documents/Chapter7/tindallgrams.pdf
Serial # Date Subject Sources
69-PA-T-1A Jan 7 1969 Let's move the recovery force a little 5
69-PA-T-2A Jan 10 1969 Some decisions regarding lunar landmark tracking on the F and G missions 1, 2, 5
69-PA-T-3A Jan 14 1969 Operations required for communication loss on F and G are sure better than on C' 1, 2, 5
69-PA-T-4A Jan 14 1969 F and G cis-lunar midcourse correction scheduling 1, 2, 5
69-PA-T-5A Jan 14 1969 Procedures for LM aborts immediately after landing are terrible! 5
69-PA-T-6A Jan 14 1969 D Rendezvous Mission Techniques 5
69-PA-T-8A Jan 15 1969 F and G Lunar Orbital operations - mostly pre-DOI LM activation stuff 1, 2, 5
69-PA-T-10A Jan 21 1969 F and G mission cis-lunar and abort plan 1, 2, 5
69-PA-T-11A Jan 21 1969 D Rendezvous Mission Techniques Meeting - January 20, 1969 5
69-PA-T-?? Feb ? 1969 (unreadable) 5
69-PA-T-14A Feb 5 1969 Two-stage LOI looks good after C' 1, 2, 5
69-PA-T-15A (?) Feb ? 1969 (unreadable) 5
69-PA-T-17A Feb 6 1969 MCC-H Ascent Monitoring 5
69-PA-T-18A Feb 6 1969 F/G cis-lunar midcourse correction mission techniques 1, 2, 5
69-PA-T-19A Feb 6 1969 Apollo Mission Techniques Documentation Schedule 5
69-PA-T-22A Feb 11 1969 G Lunar Surface Phase Mission Techniques 1, 2
69-PA-T-23A Feb 11 1969 F/G Mission Techniques - except for the lunar orbit phase - are ready to eat 1, 2, 5
69-PA-T-24A Feb 11 1969 F/G Rendezvous Mission Techniques - mostly F 1, 2, 5
69-FM-T-27 Feb 19 1969 Apollo spacecraft computer program newsletter 5
69-PA-T-27A Feb 19 1969 All about F APS burn to depletion and landmark tracking 1, 5
69-PA-T-28A Feb 20 1969 Descent Abort Mission Techniques 1, 2, 5
69-PA-T-29A Feb 25 1969 Mission D Maneuver Monitoring Document 5
69-FM-T-30 Feb 20 1969 Results of the February 18 Apollo Spacecraft Software Configuration Control Board (ASSCCB) meeting 2, 5
69-PA-T-31A Feb 24 1969 Let's have no unscheduled water dumps on the F mission 1, 2, 5
69-PA-T-32A Feb 24 1969 Some things about MSFN orbit determination 1, 2, 5
69-PA-T-34A Feb 25 1969 D Mission LM PGNCS IMU drift checks 2
69-PA-T-35A Feb 26 1969 F/G Mirror Image Targeting shall use a three-minute delay 1, 2, 5
69-PA-T-36A Feb 26 1969 Review of the Launch Phase Abort Mission Techniques Document for Missions F and G 2, 5
69-PA-T-37A Feb 27 1969 Some more trivia for the F mission 1, 2, 5
69-PA-T-39A Feb 28 1969 Some MPAD work needed for the G mission 2, 5
69-PA-T-40A Feb 28 1969 There will be no VHF ranging data collected while tracking the LM on the lunar surface 1, 2, 5
69-PA-T-42A Mar 7 1969 G Lunar Surface stuff is still incomplete 1, 2, 5
69-PA-T-44A Mar 14 1969 Happiness is having plenty of hydrogen 1, 2, 5
69-PA-T-45A Mar 12 1969 Simplification to the pre-PDI abort procedure 1, 2, 5
69-PA-T-47A Mar 20 1969 F mission lunar orbit attitude sequence 1
69-PA-T-52A Apr 1 1969 PGNCS operations while on the lunar surface 1, 2, 5
69-PA-T-53A Apr 3 1969 Some G Mission Techniques action items 2, 5
69-PA-T-54A Apr 4 1969 RLS Determination 1, 2, 5
69-PA-T-55A Apr 4 1969 AGS alignments in lunar orbit and operations on the lunar surface 1, 2, 5
69-PA-T-56A Apr 8 1969 Some things about Ascent from the moon 1, 2, 5
69-PA-T-58A Apr 10 1969 Descent monitoring at MCC 2, 5
69-PA-T-59A Apr 11 1969 F Rendezvous Mission Techniques Clean-up 1, 5
69-PA-T-61A Apr 15 1969 Let's drop one of the lunar surface RR tests 1, 2, 5
69-PA-T-62A Apr 23 1969 F mission rule regarding DPS gimbal drive failure indication 2, 5
69-PA-T-63A Apr 15 1969 Some things about Descent 2, 5
69-PA-T-64A Apr 16 1969 How the MSFN and sextant data are used to target DOI and Descent 1, 2, 5
69-PA-T-66A Apr 30 1969 What's descent al about? 5
69-PA-T-67A May 1 1969 Descent Aborts and subsequent Rendezvous Mission Techniques 1, 5
69-PA-T-69A May 2 1969 CSM rendezvous navigation works fine using just VHF ranging 2, 5
69-PA-T-70A May 5 1969 Descent Monitoring Mission Techniques - a status report 1, 2, 5
69-PA-T-71A May 6 1969 Ascent newsletter 1, 2, 5
69-PA-T-72A May 6 1969 Comments on IMU compensation procedures 2, 5
69-PA-T-73A May 7 1969 Apollo Mission Techniques Documentation Schedule 5
69-PA-T-74A May 8 1969 The LM4 RR/LGC interface may be broken, but that's okay - sorta 2, 5
69-PA-T-75A May 12 1969 Cis-lunar state vector updating procedure change 2, 5
69-PA-T-76A May 12 1969 G mission lunar descent is uphill - all the way 1, 2
69-PA-T-77A May 12 1969 Manual Steering for LM Ascent 1, 2, 5
69-PA-T-78A May 15 1969 Some "improvements" in the Descent preparation procedures 1, 2, 5
69-PA-T-81A May 26 1969 Attention worthy Descent Program Anomaly 5
69-PA-T-82A May 28 1969 Descent, Lunar Surface, and Ascent Mission Techniques with the H crew 1, 2, 5
69-PA-T-83A May 29 1969 DPS low level propellant light 2, 5
69-PA-T-84A Jun 4 1969 G Rendezvous Navigation OJT is proposed 2, 5
69-PA-T-87A Jun 5 1969 PRN ranging in lunar orbit is unnecessary 2, 5
69-PA-T-92A Jun 11 1969 CSM Rescue Mission Techniques are complete and clean 2, 5
69-PA-T-93A Jun 13 1969 Some significant LUMINARY program changes you should know about 1, 2, 5
69-PA-T-94A Jun 19 1969 Ascent with busted guidance and control systems 1, 2
69-PA-T-95A Jun 24 1969 Post Insertion CSM P52 is optional 1, 2
69-PA-T-101A Jul 1 1969 Post-insertion alignment is lower priority than rendezvous navigation 1, 2
69-PA-T-102A Jul 1 1969 New DPS GDA Descent mission rule is imminent if not now 2
69-PA-T-103A Jul 3 1969 Some new ideas on how to use the AGS during Descent 1, 2
69-PA-T-104A Jul 7 1969 Manual Ascent revisited 1, 2
69-PA-T-105A Jul 10 1969 Tweak burns 1, 2
69-PA-T-106A Jul 11 1969 Descent Data Select procedures are finalized 1, 2
69-PA-T-109A Jul 14 1969 How we will handle the effect of mascons on the LM lunar surface gravity alignments 1, 2
69-PA-T-111A Jul 16 1969 Change in delayed PDI Descent targeting procedures 1, 2
69-PA-T-112A Jul 17 1969 Gyro calibration and accelerometer bias update and redline values 1, 2
69-PA-T-114A Aug 1 1969 How to land next to a Surveyor - a short novel for do-it-yourselfers 2
69-PA-T-116A Aug 29 1969 A lengthy status report on lunar point landing including some remarks about CSM DOI 2
69-PA-T-117A Sep 1 1969 Notice of a catch-all Apollo 12 Mission Techniques meeting 2
69-PA-T-118A Sep 12 1969 Invitation to an Apollo 13 Lunar Orbit Mission Techniques meeting 2
69-PA-T-119A Sep 16 1969 We don't have to change LUMINARY much for point landing but there's gold in them hillsf 2
69-PA-T-122A Sep 24 1969 Apollo 12 Mission Techniques 2
69-PA-T-123A Sep 29 1969 Status report on Apollo 13 Mission Techniques - or "Go for CSM DOI' 2
69-PA-T-129A Oct 20 1969 What can be done about the AOT? 2
69-PA-T-130A Oct 21 1969 Let's hear it for "Delta Guidance"! 2
69-FM-T-131 Oct 21 1969 Apollo Spacecraft Software Configuration Control Board meeting number 32 2
69-PA-T-132A Oct 21 1969 Apollo 12 Newsletter 2
69-PA-T-133A Oct 29 1969 Spacecraft separation procedures 2
69-PA-T-134A Oct 29 1969 Don't turn off the landing radar 2
69-PA-T-138A Oct 29 1969 Automatic CSM Rendezvous 2
69-PA-T-139A Oct 29 1969 AGS licks PGNCS for RCS Insertion 2
69-PA-T-142A Nov 4 1969 Apollo 12 Descent - Final comments 2
69-PA-T-145A Nov 17 1969 LM high-bit rate telemetry data is not mandatory 2
69-PA-T-146A Nov 24 1969 Apollo 13 Odds and Ends Meeting 2
69-PA-T-147A Nov 24 1969 Rover Navigation 2
69-PA-T-149A Dec 17 1969 Apollo 13 Mission Techniques are in good shape 2
69-PA-T-148A Dec 18 1969 LM IMU drift checks prior to descent for Apollo 13 and up 2
69-PA-T-152A Dec 31 1969 Can we cut 2 hours out of the Apollo rendezvous? 2