Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9RX callsign genealogy
Currently held by LUMPKIN, WILLIAM J
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 AC9RX's current licensee, walking backwards.
- LUMPKIN, WILLIAM JINgranted 2014-08-15cancelled 2017-12-27
Successor callsigns
Callsigns held now by people who previously held AC9RX.
No current licensee on record previously held this callsign.