An electronic coach-to-quarterback system transmits plays from the sideline to a radio receiver in the quarterbacka#39;s helmet. ... aquot;We dona#39;t want the coach giving directions after the play is under way, where the guy upstairs tells the coach, a#39;the safety is showing ... Shuhart explains that a modified Motorola GP300 transmitter isanbsp;...
Title | : | Signal |
Author | : | |
Publisher | : | - 1994-03 |
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