Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB5HQ callsign genealogy
Currently held by Chambers, Michael 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 AB5HQ's current licensee, walking backwards.
- Chambers, Michael ATXgranted 2016-09-01cancelled 2017-09-01
Successor callsigns
Callsigns held now by people who previously held AB5HQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB5HQ, oldest first.
- MC NAMEE JR, ROBERT L LA2003-06-05 → cancelled 2014-08-12
- Chambers, Michael A TX2017-09-01 active