Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6OHM callsign genealogy
Currently held by Williams, Russell T
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 W6OHM's current licensee, walking backwards.
- KEYZER, JEFFREY STXgranted 2007-10-03cancelled 2011-12-06
Successor callsigns
Callsigns held now by people who previously held W6OHM.
- Williams, Russell TCAgranted 2019-02-11
All historical holders
Every license row we've seen with the callsign W6OHM, oldest first.
- Williams, Russell T CA2005-03-15 → cancelled 2009-04-10
- KEYZER, JEFFREY S WA2021-11-10 active