Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0PTL callsign genealogy
Currently held by RAFFERTY, JOSIAH 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 K0PTL's current licensee, walking backwards.
- RAFFERTY, JOSIAH LILgranted 2012-11-13cancelled 2019-09-10
Successor callsigns
Callsigns held now by people who previously held K0PTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0PTL, oldest first.
- RANKIN, WILLIAM S MN1994-07-15 → cancelled 2006-07-18
- RAFFERTY, JOSIAH L IL2019-09-10 active