Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4B callsign genealogy
Currently held by MALLORY, TIMOTHY D
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 AI4B's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AI4B.
- GREEN, JOHN MNCgranted 2010-12-04cancelled 2016-12-05
All historical holders
Every license row we've seen with the callsign AI4B, oldest first.
- MALLORY, TIMOTHY D GA1988-08-09 → cancelled 2000-08-10
- GREEN, JOHN M NC2000-09-19 → cancelled 2001-02-06
- TUCKER, TRAVIS M AL2013-02-09 → cancelled 2021-04-20
- SENYO, CLAYTON L AL2023-05-09 active