Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4UDK callsign genealogy
Currently held by Wallace, Roland
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 WA4UDK's current licensee, walking backwards.
- Wallace, Anthony HTNgranted 2009-05-14cancelled 2017-04-21
Successor callsigns
Callsigns held now by people who previously held WA4UDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4UDK, oldest first.
- Wallace, Roland IN2006-08-24 → cancelled 2015-03-16
- Wallace, Anthony H TN2017-04-21 active