Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4KTG callsign genealogy
Currently held by JOHNSON, ROWLAND S
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 W4KTG's current licensee, walking backwards.
- Griffis, KatherineKYgranted 2025-08-19cancelled 2025-09-06
Successor callsigns
Callsigns held now by people who previously held W4KTG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4KTG, oldest first.
- JOHNSON, ROWLAND S VA2009-06-16 → cancelled 2021-06-17
- Griffis, Katherine KY2025-09-06 active