4M – End of Mission


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Page last updated on: Wednesday, November 12, 2014

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4M – End of Mission

The JT65B amateur radio payload, which successfully completed a lunar flyby, has fallen silent after transmitting for 438 hours

During the afternoon of November 10 the battery voltage dropped from 13.1V to 12.1V and continued falling. The last signal was received by Rein W6SZ at 01:35 UT on November 11 when the battery voltage had fallen to 8.4 volts.

Ghislain LX2RG posted the following to the Moon Net list:

Here at Luxspace, we have to thank you all for the reports, for the tracking, and we also hope that we provided you with the challenges you expected.

4M may possibly awaken from time to time if illumination becomes better.

We shall now endeavor to prepare the next one.

Manfred Memorial Moon Mission (4M) LX0OHB-4M

http://moon.luxspace.lu/blog/

 

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via 4M – End of Mission.

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The mission of the Chinese 4M lunar orbiter was declared officially over on 11 November 2014 with the final transmission of the JT65B mode amateur radio transmitter around 01:35 UTC, 11 November 2014.  W6SZ was the last ham to make contact with the lunar probe.  Trnnsmission stopped when the orbiter experienced battery failure.

For the latest Amateur Radio news and events, please check out the blog sidebars.  These news feeds are updated daily.

Aloha es 73 de Russ (KH6JRM).

 

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