Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KSP callsign genealogy
Currently held by Palmer, Kevin S
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 K4KSP's current licensee, walking backwards.
- Palmer, Kevin SFLgranted 2015-12-03cancelled 2016-10-21
Successor callsigns
Callsigns held now by people who previously held K4KSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KSP, oldest first.
- MILLER, CARL J VA1997-11-07 → cancelled 2009-11-10
- Palmer, Kevin S FL2026-07-25 active