Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KMS callsign genealogy
Currently held by Slaughter, Kathleen M
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 W4KMS's current licensee, walking backwards.
- Slaughter, Kathleen MSCgranted 2008-10-17cancelled 2011-04-01
Successor callsigns
Callsigns held now by people who previously held W4KMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4KMS, oldest first.
- THOMPSON, WHEELER T VA1994-01-25 → cancelled 2006-01-26
- Slaughter, Kathleen M SC2021-03-10 active