Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4DV callsign genealogy
Currently held by CRUMLEY, ALAN R
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 KP4DV's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4DV.
No current licensee on record previously held this callsign.