Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4NAC callsign genealogy
Currently held by CRUMPTON, CHARLES W
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 W4NAC's current licensee, walking backwards.
- CRUMPTON, CHARLES WALgranted 2012-11-09cancelled 2012-12-18
Successor callsigns
Callsigns held now by people who previously held W4NAC.
No current licensee on record previously held this callsign.