EVA Report – February 24th

Crew 275 EVA Report 24Feb2023

EVA # 11

Author: Alexandre VINAS (crew astronomer and EVA leader)

Purpose of EVA: Repairs of the weather station, installation of the antenna of the MegaAres instrument & Maintenance of the other atmospheric instruments

Start time: 9:00

End time: 11:45


9:02 Beginning of the depressurization

9:23 EVA crew arrived at destination

10:24 Installation of the antenna of MegaAres

10:37 All tests on the antenna are validated, the installation is a success

10:55 Purple Air and LOAC instrument turned on

11:11 An helicopter flew over us twice and over the MDRS at a altitude of approximately 50-70 meters

11:18 Field mill turned on

All the instruments are installed correctly, the EVA is a success.

11:45 EVA crew back to the main hab

Destination: Between the Hab and Marble Ritual near the road.

Coordinates (use UTM WGS 84): N4251000 E518500

Participants: EVA leader: Alexandre Vinas (Crew Astronomer), Marie Delaroche (Crew Journalist), Corentin Senaux (HSO)

Road(s) and routes per MDRS Map: Drive Cow Dung Road 0110 to a place just before Marble Ritual (see map on the attached picture)

Mode of travel: Driving, even if the destination is less than 1 km away, the crew will need to transport heavy instruments that also take up a lot of space, and then walking around the instruments.

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