Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB0AAM callsign genealogy
Currently held by MADERO, GERALD 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 WB0AAM's current licensee, walking backwards.
- MEININGER, JIM CCOgranted 2010-10-29cancelled 2019-09-21
Successor callsigns
Callsigns held now by people who previously held WB0AAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0AAM, oldest first.
- MADERO, GERALD A IA1987-11-24 → cancelled 1999-11-25
- MEININGER, JIM C CO2019-09-21 active