EVA Report – February 27th – Mars Desert Research Station

Crew 263 EVA Report 27-02-2022

EVA # 7

Author: Nicolas WATTELLE

Purpose of EVA: Atmospheric Experiment maintenance (batterie change, MegaAres Setup)

The atmospheric experiment includes 5 devices: LOAC (Light Optical Aerosol Counter), an Electrical Field Mill, Purple Air (Aerosol Counter), Mega-Ares (Electrical Field Counter) and a Weather station. The aim of this experiment is to do testing of Martian-Atmospheric Study Equipment and their maintenance by human operators. Performing their maintenance and set-up while wearing spacesuits and following EVA protocols is the purpose of the experiment. All devices are located at the same place.

Batteries for the LOAC, MegaAres, the Electrical Field Mill and Purple Air needs to be changed daily. Hence, during this maintenance EVA, the 3 batteries (the Field Mill and MegaAres use the same battery) needed to be replaced.

Start time: 08: 58

End time: 09:55

Narrative: EVA Participants entered the airlock at 08:58. Depressurization ended at 09:03. EVA participants checked the rover batteries just in case. The obtained information is:

Perseverance: Usage Duration – 228.1 Battery Charge – 100%

Spirit: Usage Duration – 157.2 Battery Charge – 100%

Opportunity: Usage Duration – 84.7 Battery Charge – 100%

Curiosity: Usage Duration – 168.7 Battery Charge – 100%

The EVA participants arrived at the Atmospheric Experiment location at 09:10. The 3 batteries were replaced. Marine was in charge of changing LOAC battery, she did it without any problem to declare. Nicolas changed the Purple Air and Electrical Field Mill batteries, and tried to recover data. But there, while taking out the waterproof protection, condensation appeared inside the box. Then it was impossible to turn it on again. Matheo set the MegaAres antenna, the installation went well, the measurement started correctly.

Nicolas’ radio moved out from his ear at 9:19, but stayed inside the helmet. He could still hear the radio, but had to make efforts speaking to be heard.

At 09:46, the participants left the atmospheric experiment location.

MDRS Field Season #22 (2022-23)

Oct 1-16— Work Party

(Oct 20-23—TMS Conference in Tempe Arizona)

Oct 24-28—Crew 266-- Spaceward Bound High School

Oct 30—Nov 12—Crew 267—WOMARS

Nov 13—26—Crew 268-- Mars Society All women crew

Nov 27—Dec 10— Crew 269--The Aerospace Corporation Team

Dec 11—17 (one week) —Crew 270 -- NASA Spaceward Bound Utah Cohort 4

Dec 18— 31—Crew 271— Mars Society crew

Jan 1—14, 2023— Crew 272-- Purdue

Jan 15—28— Crew 273— Spanish Language Crew

Jan 29--Feb 11—Crew 274— APUS ARG-1M

Feb 12—Mar 11-- Crew 275— Supaero

Mar 12—18 — No Crew (Spring Break)

Mar 19-25 (one week) — Crew 277— Class

Mar 26—Apr 1 (one week) — Crew 278— Class

Apr 2—15— Crew 279— M.A.R.S. UC Louvain

Apr 16—29—Crew 280— Hypatia

Apr 30—May 13—Crew 261— Transatlantic Mars Society

May 14—27— Crew 281— Project Possum Alumni

June 1—3— University Rover Challenge

June 4-10 (one week)— Crew 282— Martian Biology III

June 11-17 - Summer Closeout Crew

About The MDRS

The Mars Desert Research Station in the Utah desert was established by the Mars Society in 2001 to better educate researchers, students and the general public about how humans can survive on the Red Planet. It is the second Mars analogue habitat after the Flashline Mars Arctic Research Station was established in 2000.

Over 200 crews of six-person teams have lived in 1-2 week field visits at MDRS to simulate life on the Martian surface. Researchers and students alike have explored the Mars-like terrain in the area surrounding the station in full “spacesuits”, maintained the station’s systems, grown plants in the GreenHab to support themselves and even recycled their waste water.

Our activities at MDRS are not only about informing the public, but also conducting real research to bring humanity that much closer to the reality of human exploration on the planet Mars.

Annual field seasons at MDRS run approx. October through May. Anybody can apply to be on a crew, and we also need volunteers to help with the project.

Management Team

Mission Support

EVA Report – February 27th

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