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Old August 7th 17, 01:13 PM posted to rec.aviation.soaring
AS
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Default #JWGC August 7 - US Pilots

On Monday, August 7, 2017 at 4:28:56 AM UTC-4, wrote:
On line tracking for JWGC Club class today. 263 km racing task. Expected 1st launch 12:00 local (Lithuania) time:
http://jwgc.onglide.com/current-day.xml?class=club


Just out of curiosity: is the tracking system based on FLARM data or do they all carry an additional tracker? I am just baffled by the resolution and refresh rate of the tracking site compared to what I have seen from US contests.
Uli
'AS'