| PHRF Ratings |
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| Written by Technical Committee |
| Wednesday, 06 August 2008 06:11 |
| The Class Association has been gathering PHRF rating data from around North America to provide a hard factual database for the Viper's PHRF fleet. It is published here http://www.viper640.org/the-viper-640/handicap-information/64-phrf-ratings |