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Sonr tech lets coaches talk to swimmers by radio

Sonr tech lets coaches talk to swimmers by radio

The Sonar system incorporates a walkie talkie used by the coach, and a receiver worn by the swimmer Sonr Swim coaches have a difficult job, as they have to shout in order for swimmers to hear them – and even then, they still may not be heard. The Sonr system is designed...

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Dmitri Voloshin Moldovan Simpals Sonar Sonr

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