Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9JAX callsign genealogy
Currently held by Heyen, Benjamin 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 W9JAX's current licensee, walking backwards.
- Heyen, Benjamin SWIgranted 2015-12-16cancelled 2016-01-19
Successor callsigns
Callsigns held now by people who previously held W9JAX.
No current licensee on record previously held this callsign.