MediaBuyerPlanner: Arbitron has had to delay the release of portable people meter data for Houston for the week of May 17 to 23. It didn't elaborate on why the delay, beyond saying that it had noticed some unusual listening patterns that warranted further review.

A new release date was not given, writes Mediaweek.

The week in question is part of the service's pre-currency period. PPM data became currency May 31. The first monthly ratings will be released July 18, for the month of May 31-June 27.

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