Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4KTO callsign genealogy
Currently held by CLENDENEN, KILBY 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 WA4KTO's current licensee, walking backwards.
- LEWIS, KATHY CNCgranted 2017-03-13cancelled 2017-04-01
Successor callsigns
Callsigns held now by people who previously held WA4KTO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4KTO, oldest first.
- CLENDENEN, KILBY S VA1989-03-07 → cancelled 2001-03-08
- LEWIS, KATHY C NC2017-04-01 active