Ratings...
...depend on how your boat is configured and rated by your regional PHRF measurers. PHRF ratings are made on the assumption that:1. The spinnaker pole length is equal to "J",2. The spinnaker maximum width is 180% of "J",3. The spinnaker maximum length is .95 times the square root of "I" squared + "J" squared ,4. The genoa LP maximum is 155% of "J",5. The asymmetrical spinnaker luff length shall be between 1.0 and 1.1 times the square root of "Ia" squared + "BS" squared,6. The asymmetrical spinnaker foot length is 180% of "BS",7. The ratio of asymmetrical spinnaker mid-girth width to foot length shall be not less than .80,8. The boat is in racing condition,9. The boat has a folding or feathering propeller, or a retractable outboard motor. Having said that mouthful, it appears that the base handicap ranges for your boat are: HUNTER 30-2 177 HUNTER 30 K 189 HUNTER 30 SD 192 HUNTER 30 TM 183