Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0ZER callsign genealogy
Currently held by Mendoza, Marcelino M
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 WD0ZER's current licensee, walking backwards.
- Mendoza, Marcelino MCAgranted 2019-08-05cancelled 2019-09-04
Successor callsigns
Callsigns held now by people who previously held WD0ZER.
No current licensee on record previously held this callsign.