Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4TMR callsign genealogy
Currently held by Harris, Billy A
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 WN4TMR's current licensee, walking backwards.
- Harris, Billy ANCgranted 2023-02-22cancelled 2023-03-13
Successor callsigns
Callsigns held now by people who previously held WN4TMR.
No current licensee on record previously held this callsign.