Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NQ9B callsign genealogy
Currently held by DOUGLASS, WILLIAM R
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 NQ9B's current licensee, walking backwards.
- KEISER, ROBERT KTXgranted 2014-10-28cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held NQ9B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NQ9B, oldest first.
- DOUGLASS, WILLIAM R WI2006-08-05 → cancelled 2018-10-02
- KEISER, ROBERT K TX2018-11-24 active