Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2XK callsign genealogy
Currently held by RYAN, JOHN S
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 AB2XK's current licensee, walking backwards.
- RYAN, JOHN SNYgranted 2007-04-04cancelled 2007-07-17
Successor callsigns
Callsigns held now by people who previously held AB2XK.
- RYAN, JOHN SNYgranted 2018-06-27