Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MER callsign genealogy
Currently held by Reich, Matthew E
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 K4MER's current licensee, walking backwards.
- Reich, Matthew ESCgranted 2015-08-04cancelled 2024-11-08
Successor callsigns
Callsigns held now by people who previously held K4MER.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MER, oldest first.
- MESZAROS, WILLIAM FL2012-01-04 → cancelled 2024-03-08
- Reich, Matthew E SC2024-11-08 active