Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4FSP callsign genealogy
Currently held by Pasco County ARES/RACES/Skywarn Emergency Management EOC
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KJ4FSP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4FSP.
- W4PEMactivePascoACS/Emergency ManagementFLgranted 2018-07-16