Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA5ZZU callsign genealogy
Currently held by VALENCIA, ATILANO 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 WA5ZZU's current licensee, walking backwards.
- Pratt, Francis CWAgranted 2008-02-05cancelled 2014-03-04
Successor callsigns
Callsigns held now by people who previously held WA5ZZU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA5ZZU, oldest first.
- VALENCIA, ATILANO A CA1998-05-22 → cancelled 2010-05-25
- Pratt, Francis C ID2024-07-09 active