Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5THO callsign genealogy
Currently held by MISHELEVICH, DAVID 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 W5THO's current licensee, walking backwards.
- THOMPSON, CHRISTOPHER JTXgranted 2018-06-06cancelled 2026-06-09
Successor callsigns
Callsigns held now by people who previously held W5THO.
- Mishelevich, David JCAgranted 2022-06-02
All historical holders
Every license row we've seen with the callsign W5THO, oldest first.
- MISHELEVICH, DAVID J CA1995-06-02 → cancelled 2002-08-16
- THOMPSON, CHRISTOPHER J TX2026-06-09 active