Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1AAT callsign genealogy
Currently held by Tinker, Allen 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 W1AAT's current licensee, walking backwards.
- Zimmerman, AlexanderCTgranted 2025-06-17cancelled 2025-07-15
Successor callsigns
Callsigns held now by people who previously held W1AAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1AAT, oldest first.
- Tinker, Allen A VT2012-11-10 → cancelled 2025-01-25
- Zimmerman, Alexander CT2025-07-15 active