Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3ER callsign genealogy
Currently held by MERRIGAN, CHARLES F
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 K3ER's current licensee, walking backwards.
- McClenney, Erik SWAgranted 2020-02-18cancelled 2020-04-17
Successor callsigns
Callsigns held now by people who previously held K3ER.
- Bartels Jr, Louis FILgranted 2018-03-27
All historical holders
Every license row we've seen with the callsign K3ER, oldest first.
- MERRIGAN, CHARLES F FL2006-04-27 → cancelled 2016-02-10
- Bartels Jr, Louis F IL2018-03-02 → cancelled 2018-03-27
- McClenney, Erik S WA2020-04-17 active