Amateur Swimming Association secretary Ronnie Wong explains the new route for Sunday's cross-harbour swim. Photo: Sam Tsang Amateur Swimming Association secretary Ronnie Wong explains the new route for Sunday's cross-harbour swim. Photo: Sam Tsang
Amateur Swimming Association secretary Ronnie Wong explains the new route for Sunday's cross-harbour swim. Photo: Sam Tsang

Sonar detectors to ensure safety in cross-harbour swim

Hi-tech devices mounted on boats will let organisers know if competitors are drowning

Amateur Swimming Association secretary Ronnie Wong explains the new route for Sunday's cross-harbour swim. Photo: Sam Tsang Amateur Swimming Association secretary Ronnie Wong explains the new route for Sunday's cross-harbour swim. Photo: Sam Tsang
Amateur Swimming Association secretary Ronnie Wong explains the new route for Sunday's cross-harbour swim. Photo: Sam Tsang
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