Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4TM callsign genealogy
Currently held by MORROW, TIMOTHY L
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 AI4TM's current licensee, walking backwards.
- MORROW, TIMOTHY LTNgranted 2018-12-18cancelled 2025-01-17
Successor callsigns
Callsigns held now by people who previously held AI4TM.
- MABE, BRADLEY SALgranted 2012-07-13cancelled 2017-06-13
All historical holders
Every license row we've seen with the callsign AI4TM, oldest first.
- MABE, BRADLEY S MD2004-02-07 → cancelled 2012-07-13
- MORROW, TIMOTHY L TN2025-01-17 active