Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB5ZU callsign genealogy
Currently held by WATERS, PHILLIP 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 AB5ZU's current licensee, walking backwards.
- N5UQOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB5ZU.
- WATERS, PHILLIP AARgranted 2024-03-13