Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4KLM callsign genealogy
Currently held by Margraves, 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 KC4KLM's current licensee, walking backwards.
- Margraves, KevinNCgranted 2021-08-06cancelled 2024-06-25
Successor callsigns
Callsigns held now by people who previously held KC4KLM.
- Margraves, KevinNCgranted 2026-03-24
All historical holders
Every license row we've seen with the callsign KC4KLM, oldest first.
- LOGONOV, JOHN A FL2008-10-29 → cancelled 2020-12-18
- Margraves, Kevin NC2024-06-25 → cancelled 2026-03-24