Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RMX callsign genealogy
Currently held by FEGE, HARTMUT
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 N4RMX's current licensee, walking backwards.
- FEGE, HARTMUTSCgranted 2007-09-20cancelled 2017-10-11
Successor callsigns
Callsigns held now by people who previously held N4RMX.
- FEGE, HARTMUTSCgranted 2007-09-20cancelled 2017-10-11
All historical holders
Every license row we've seen with the callsign N4RMX, oldest first.
- Fege, Hartmut SC2007-09-20 → cancelled 2012-02-13
- FEGE, HARTMUT SC2017-10-11 active