Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG5TB callsign genealogy
Currently held by WELSH, JOHN A
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 AG5TB's current licensee, walking backwards.
- WELSH, JOHN ATXgranted 2009-06-22cancelled 2019-02-16
Successor callsigns
Callsigns held now by people who previously held AG5TB.
- WELSH, JOHN ATXgranted 2019-08-06