Baker ARES uses 147.090+ with PL 127.3 (encode only)
Duval County (Jacksonville) FL uses 146.700- PL127.3
The primary Jacksonville Metro SKYWARN frequency is the 146.700-. Other SKYWARN nets do occur, county-by-county, but many filter to the 146.700- machine.
This is recent info, since we held our Jacksonville Area SKYWARN meeting last weekend.....