Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9KFA callsign genealogy
Currently held by Rathgeb, Mathew P
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 WB9KFA's current licensee, walking backwards.
- Rathgeb, Mathew PILgranted 2019-02-05cancelled 2019-02-26
Successor callsigns
Callsigns held now by people who previously held WB9KFA.
No current licensee on record previously held this callsign.