Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MRN callsign genealogy
Currently held by ROBINSON, EMILY 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 K4MRN's current licensee, walking backwards.
- NAUMAN, MARK RFLgranted 2012-09-10cancelled 2012-10-02
Successor callsigns
Callsigns held now by people who previously held K4MRN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MRN, oldest first.
- ROBINSON, EMILY F IL2000-06-13 → cancelled 2012-06-14
- NAUMAN, MARK R FL2022-09-22 active