Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SPC callsign genealogy
Currently held by BAKER JR, JAMES L
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 K4SPC's current licensee, walking backwards.
- KI4JUBcancelledST PETERSBURG COLLEGE AMATEUR RADIO CLUBFLgranted 2005-04-20cancelled 2005-05-10
Successor callsigns
Callsigns held now by people who previously held K4SPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SPC, oldest first.
- BAKER JR, JAMES L FL1990-03-06 → cancelled 2002-03-07
- ST PETERSBURG COLLEGE AMATEUR RADIO CLUB TN2015-12-11 active