Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4PID callsign genealogy
Currently held by SLAGELL, GREGORY C
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 KF4PID's current licensee, walking backwards.
- Slagell, Gregory CNCgranted 2015-07-02cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held KF4PID.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4PID, oldest first.
- SLAGELL, GREGORY C NC1997-02-21 → cancelled 2009-02-24
- Slagell, Gregory C NC2015-10-06 active