Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7XXO callsign genealogy
Currently held by JOSEPH, JOHN F
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 W7XXO's current licensee, walking backwards.
- JOSEPH, JOHN FIDgranted 2020-01-22cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held W7XXO.
No current licensee on record previously held this callsign.