Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9EAR callsign genealogy
Currently held by MARTINEZ, CARLOS
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 KB9EAR's current licensee, walking backwards.
- Nemeth Sr, Joseph JWIgranted 2017-12-12cancelled 2018-01-17
Successor callsigns
Callsigns held now by people who previously held KB9EAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9EAR, oldest first.
- MARTINEZ, CARLOS IL1990-02-06 → cancelled 2002-03-07
- Nemeth Sr, Joseph J WI2018-01-17 active