Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NQ5U callsign genealogy
Currently held by THOMPSON JR, GEORGE B
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 NQ5U's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NQ5U.
- McCool, Mark EOKgranted 2022-12-06
All historical holders
Every license row we've seen with the callsign NQ5U, oldest first.
- THOMPSON JR, GEORGE B TX1994-01-25 → cancelled 2006-01-26
- Black, Jason B AR2006-06-13 → cancelled 2018-06-14
- McCool, Mark E OK2018-07-03 → cancelled 2022-12-06
- Fitzpatrick, Nicholas A AR2024-12-27 active