Confidence: Medium · Source: FCC ULS · As of 2026-10-26
KR4PJF callsign genealogy
Currently held by Hall, Melvin 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 KR4PJF's current licensee, walking backwards.
- Hall, Melvin LVAgranted 2026-09-09cancelled 2026-10-05
Successor callsigns
Callsigns held now by people who previously held KR4PJF.
No current licensee on record previously held this callsign.