Sources: College helmet communications on unencrypted frequencies

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Coach-to-player in-game communications during Power 4 college football games this season have been occurring on unencrypted frequencies, sources told ESPN on Wednesday, a revelation that raises questions about whether they could have been compromised.

Texas Tech athletic director Kirby Hocutt said he raised the issue during a call with Big 12 athletic directors on Tuesday, after learning the Red Raiders' helmet communications were unencrypted and accessible to anyone with a scanner and knowledge of how to locate the frequencies.

The Big 12 has instructed its 10 schools playing games this weekend to send their helmet communication devices back to GSC, the…