Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5DQQ callsign genealogy
Currently held by ZRUBECK JR, ERNEST W
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 W5DQQ's current licensee, walking backwards.
- GRAYSON, JAY WOKgranted 2004-03-11cancelled 2013-06-15
Successor callsigns
Callsigns held now by people who previously held W5DQQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DQQ, oldest first.
- ZRUBECK JR, ERNEST W TX1995-07-25 → cancelled 2007-07-26
- GRAYSON, JAY W OK2013-06-15 active