Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4EMN callsign genealogy
Currently held by Rothrock, Aaron J
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 KF4EMN's current licensee, walking backwards.
- Rothrock, Aaron JNCgranted 2025-04-16cancelled 2025-05-10
Successor callsigns
Callsigns held now by people who previously held KF4EMN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4EMN, oldest first.
- ROTHROCK, CHRISTOPHER P NC1995-11-04 → cancelled 2007-11-06
- Rothrock, Aaron J NC2025-05-10 active