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07.08.2011

ARISSat-1/KEDR Deployment Timeline Driven by ISS Schedules

13 July 2011

During the International ARISS teleconference Sergey Samburov, RV3DR announced that the ARISSat battery will be charged late July and a test of the system will be conducted on the ISS from 1915 UTC 30 July to about 1200-1400 UTC 31 July. The standard ARISSat-1/KEDR 2m downlink band plan should be transmitted as well as the FM signal also downlinked on 437.55 MHz. More information as it becomes available.

During the test ARISSat-1 will be in LOW power mode, this means that it will transmit about 40 seconds and then shut down for 2 minutes and then transmit for 40 seconds.

Today we are looking at a 3 Aug 2011 date for EVA 29 and the ARISSat-1/KEDR deployment. This is all subject to change. Gould, WA4SXM

ARISSat-1/KEDR Project Manager Gould Smith, WA4SXM provided the latest deployment information to the AMSAT News Service. Gould said he and ARISS Hardware Engineer Lou McFadin, W5DID participated in a teleconference call this week with NASA to review the Roscosmos EVA procedures for the release of ARISSat-1/KEDR during Russian EVA 29.

Gould says the preparation procedures include the battery being charged and assembled into the satellite. Also discussed were the procedures to remove the protective quilts from the solar cells and turning on the safety switches prior to deployment.

As to the date of deployment, Gould summarized, "The deployment date for ARISSat is still soft, a major factor is the shuttle launch. As of July 6 the EVA date is in early August, but the shuttle launch and docking are driving the timeline. During our discussion it was noted that the ARISSat/KEDR deployment is the first task of the EVA, so it will occur fairly soon after the EVA begins. Since we have no firm date or time for the EVA we cannot predict where the satellite will be heard first. We will let everyone know more as we know more."

Information: http://www.arissat1.org/v3/

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