Transponders in Open Water Swimming
In major international competitions, including the Olympics and FINA World Cup and Grand Prix events, open water swimmers strap on two transponders, one on each wrist. The swimmers must finish the race with both transponders. What happens in a major international competition, when a swimmer’s transponder comes off for some reason? If the swimmer finishes the race without one or both of the transponders, the swimmer is disqualified. In these cases, the swimmer usually indicates to (i.e., ye



