Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9WTX callsign genealogy
Currently held by Probus II, Jeffrey L
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 K9WTX's current licensee, walking backwards.
- Probus II, Jeffrey LILgranted 2018-11-09cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held K9WTX.
No current licensee on record previously held this callsign.