Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3MZ callsign genealogy
Currently held by WATERS, DAVID R
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 AB3MZ's current licensee, walking backwards.
- WATERS, DAVID RPAgranted 2002-05-08cancelled 2011-03-24
Successor callsigns
Callsigns held now by people who previously held AB3MZ.
- WATERS, DAVID RPAgranted 2020-03-17