John Callas

Advance Considerations

• Sol 24 will be a 34m DTE.

Pre-Downlink Meeting

• Atmospheric observations, IPS and Pancam images. Back drive to place left wheel on Bonanza 3 for 3 wheel rotations in 6 parts for trenching. Then back up to place Bonanza 3 in work volume of the arm. There is expected uncertainty in the position of the rover after the back drive following the trench. Only stereo front and rear Hazcam images (compressed) will be down on the 34 meter DTE.

Science Downlink Assessment

• The front and rear Hazcam images were received. The trench (scratch) is apparent and within the reach of the robotic arm. Depth is estimated at 4 to 6 mm.
• Rover is safe and all systems nominal. Engineering team is examining robotic arm targets in follow-up to the trench activity.
• The rover complete its planned 90 minute task in 84 minutes. Rover has driven 142.75 meters to date, completed 2 of 3 locations and now completed one trench.

SOWG Meeting

• Rover state of health is unchanged, rover is good. No change to resource predicts.
• Mini-TES requests spectra, in priority, in the trench, out of trench, Mud Flat A (DTE), Mud Flat B (DTE), Mini-TES Sol 19 (DTE), sky observation. Requested status of previous Mini-TES observations (highest priority). Requesting IPS spectra with supporting Navcam imagery.
• Requested 5 targets (Mosaic_1 to Mosaic_5) for MI frames (step down 10 images but expect 3 to 5 images per step down). Mosaic_5 is a target in the trench. Do outside of trench, short APXS, MB and MI, first so it can be DTE. Then APXS full integration in trench and MB full integration in trench (although higher priority then outside trench). Engineering team will perform collision avoidance analysis.
• Long Term Planning proposes doing a short integration APXS and MB in trench, and then a drive for a short approach.

Post-IST Debrief

• Mini-TES UHF data garbled. Status is unknown. Trying to contact Mini-TES PEL or alternate.
• IST started 7 minutes late due to side discussions. The sequence does not include the drive that the long-term planning group requested. It was felt that it is more important to confirm a new location before we leave the site. Mini-TES health check was requested on DTE along with a Mini-TES data re-transmit on UHF. The sequence included some atmospheric observations and some Mini-TES and IPS of targets near the rover.
• MI mosaics of both inside and outside the trench were commanded, although these data will come down over UHF. A short APXS and MB integration and MI outside the trench was commanded. A long (overnight) APXS and MB was commanded inside the trench. Confirming Hazcam imagery will be down on the DTE, other data on UHF. Engineers performed a separate arm deployment and collision avoidance check on this sequence.
• The UHF was over-subscribed so some UHF data will come down (if allowed) on the second sol. Some that late UHF data will be the MI mosaic in the trench.

General Comments

• The data volume calculated for Hazcam imagery is overcharged against its real data volume. Therefore, a hand calculation must be made in the IST to correct for this on the total resource allocation.
• Mike Malin performed an analysis on Hazcam and Navcam data with common targets. The Hazcam range map uncertainty for objects within 5 meters is about 5 cm in X and about 2 to 3 cm in Z. That is, objects are closer than expected by these amounts.
• The rover absolute heading is believed to be off by about +/-10 degrees based on east/west Hazcam images. The scale bar in SAP may not be a correct indicator of absolute heading in some imagery.

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