Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7LX callsign genealogy
Currently held by Collenberg, George M
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 AA7LX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA7LX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA7LX, oldest first.
- BANCROFT, JOHN W AZ2001-10-16 → cancelled 2013-12-11
- Collenberg, George M AZ2024-07-16 active