Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0CQT callsign genealogy
Currently held by RIES, MARK A
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 W0CQT's current licensee, walking backwards.
- RIES, MARK AMOgranted 2019-05-14cancelled 2019-07-06
Successor callsigns
Callsigns held now by people who previously held W0CQT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0CQT, oldest first.
- FORRISTAL, JAMES A MO2006-01-31 → cancelled 2018-04-25
- RIES, MARK A MO2019-07-06 active