Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4OKV callsign genealogy
Currently held by SIGLER, THOMAS J
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 W4OKV's current licensee, walking backwards.
- SIGLER, THOMAS JTNgranted 2015-02-06cancelled 2016-02-06
Successor callsigns
Callsigns held now by people who previously held W4OKV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4OKV, oldest first.
- REYLING, PAUL M TN2003-05-20 → cancelled 2015-08-18
- SIGLER, THOMAS J TN2026-02-03 active