Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9TZ callsign genealogy
Currently held by LANGSTON, PHILIP H
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 AB9TZ's current licensee, walking backwards.
- LANGSTON, PHILIP HILgranted 2003-02-01cancelled 2009-05-26
Successor callsigns
Callsigns held now by people who previously held AB9TZ.
No current licensee on record previously held this callsign.