Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KMC callsign genealogy
Currently held by MCSHEEHAN, KENNETH C
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 W4KMC's current licensee, walking backwards.
- MCSHEEHAN, KENNETH CNCgranted 2017-05-15cancelled 2017-06-20
Successor callsigns
Callsigns held now by people who previously held W4KMC.
- Kirkman, William AOHgranted 2023-11-17
All historical holders
Every license row we've seen with the callsign W4KMC, oldest first.
- KURTZ, CHARLES K FL1997-11-13 → cancelled 2009-11-14
- Kirkman, William A KY2011-03-08 → cancelled 2014-02-04
- MCSHEEHAN, KENNETH C NC2017-06-20 active