Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TOD callsign genealogy
Currently held by Patton, Todd D
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 W4TOD's current licensee, walking backwards.
- Patton, Todd DFLgranted 2015-10-13cancelled 2015-11-03
Successor callsigns
Callsigns held now by people who previously held W4TOD.
- OWENS, DOUGLAS FFLgranted 2020-06-03
All historical holders
Every license row we've seen with the callsign W4TOD, oldest first.
- OWENS, DOUGLAS F FL2008-06-17 → cancelled 2010-08-31
- Patton, Todd D FL2026-03-21 active