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This expedition was affected by mtu's Grand GPS Clustermug of 2010.

For his first five geohashes, mtu had the wrong map datum set on his GPS device—namely the Potsdam datum instead of the globally accepted standard, WGS 84—causing him to not visit the actual, canonical hashpoints, but places about 200 m away in SSW-erly direction.

In all cases, the actual hashpoints would have been easily accessible, but were missed by 20–200 m solely due to mtu's ineptitude.

In commemoration of this epic fail,

mtu earned the False Start Consolation Prize
by finding that all of his first 5 geohashes are invalid because the map datum on his GPS was wrongly set to the Potsdam datum instead of the WGS 84 global standard, causing the loss of 13 achievements and approximately 31 hours of lifetime, up to and including the (54, 10) geohash on 2010-11-10.

As a consequence, all achievements formerly claimed for this hash are null and void (except Drag-along achievements). Instead,

mtu earned the Blinded by Science Consolation Prize
by failing to reach the ({{{lat}}}, {{{lon}}}) geohash on [[{{{date}}} {{{lat}}} {{{lon}}}|{{{date}}}]] because he had set the wrong map datum on his GPS.

Please note that the expedition narrative was written before this became known!