Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3KCF callsign genealogy
Currently held by FILER, KEVIN
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 N3KCF's current licensee, walking backwards.
- FILER, KEVINMDgranted 2020-08-03cancelled 2024-07-06
Successor callsigns
Callsigns held now by people who previously held N3KCF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3KCF, oldest first.
- SMITH, JOSEPH W PA1991-07-23 → cancelled 2003-07-24
- FILER, KEVIN MD2024-07-06 active