Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3WX callsign genealogy
Currently held by CARNATHAN, TITUS R
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 AB3WX's current licensee, walking backwards.
- CARNATHAN, TITUS RPAgranted 2017-10-26cancelled 2018-04-06
Successor callsigns
Callsigns held now by people who previously held AB3WX.
- Wiltberger, Johnathan WAZgranted 2025-04-17
All historical holders
Every license row we've seen with the callsign AB3WX, oldest first.
- Wiltberger, Johnathan W MD2010-09-23 → cancelled 2015-05-19
- CARNATHAN, TITUS R PA2018-04-06 active