Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4ZPH callsign genealogy
Currently held by GONZALEZ JR, BALDOMERO
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 WB4ZPH's current licensee, walking backwards.
- RHYMER, TIMOTHY DSCgranted 2011-09-06cancelled 2016-05-07
Successor callsigns
Callsigns held now by people who previously held WB4ZPH.
- GONZALEZ JR, BALDOMEROFLgranted 2017-02-11
All historical holders
Every license row we've seen with the callsign WB4ZPH, oldest first.
- GONZALEZ JR, BALDOMERO FL2006-11-03 → cancelled 2007-03-27
- RHYMER, TIMOTHY D SC2026-03-05 active