Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9CX callsign genealogy
Currently held by EARLYWINE, JOHN K
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 AB9CX's current licensee, walking backwards.
- EARLYWINE, JOHN KINgranted 2001-05-10cancelled 2001-08-10
Successor callsigns
Callsigns held now by people who previously held AB9CX.
- EARLYWINE, JOHN KINgranted 2021-06-11