I have some Rohn SSV tower to put up. But, Need some help on the Numbers. Rohn Old Rohn New Radian Numbers 3W VS3 4N VL 345 5N VL 346 6N VL 347 VL5668 ? 7N VL 348 8N VL 349 9N VL 350 9NH 10N VL 359 10BH VL 351 ? also Have VL 366 VL What is it? Not sure on all these can use some help? Thanks, Everett WZ8P