Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI5C callsign genealogy
Currently held by EISENBERG, BRETT
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 AI5C's current licensee, walking backwards.
- Eisenberg, Brett ANYgranted 2004-01-06cancelled 2006-04-18
Successor callsigns
Callsigns held now by people who previously held AI5C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI5C, oldest first.
- MC BROOM, GEORGE F TX1997-07-10 → cancelled 2006-03-30
- EISENBERG, BRETT CA2026-08-04 active