Here is a copy out of a local YC that also uses ToT for on of there regattas. ToT does work well in sailwave. Along with 10-20 other rules of different shapes and forms built in to the program.
13.2 Corrected times for PHRF Northwest handicap classes will be calculated using the Time on Time method as defined by PHRF Northwest. The “A Factor,” which does not impact result standings, will equal the “B Factor.” The "B Factor" for each race will be determined by the race committee, using the following criterion:
Conditions Approx. Average Winds B Factor
Light Winds 0 to 7 knots 650
Medium Winds 8 to 14 knots 550
Heavy Winds 15+ knots 480
The race committee's judgment in applying this criterion shall not be grounds for a request for redress. This changes RRS 62.1(a).
She drives me boat,
I drives me dinghy!