Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4UAU callsign genealogy
Currently held by HAYES JR, WARREN D
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 WA4UAU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WA4UAU.
- HAYES JR, WARREN DMAgranted 2017-11-03