Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JKS callsign genealogy
Currently held by SIMPSON, KAREN H
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 W4JKS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4JKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JKS, oldest first.
- INABNIT JR, SAMUEL J FL2007-08-21 → cancelled 2019-11-07
- SIMPSON, KAREN H NC2024-07-19 active