Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1CH callsign genealogy
Currently held by Herot, Christopher F
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 AA1CH's current licensee, walking backwards.
- Herot, Christopher FMAgranted 2024-09-12cancelled 2024-12-24
Successor callsigns
Callsigns held now by people who previously held AA1CH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA1CH, oldest first.
- ZBOROFSKY, ELMER E RI2002-03-05 → cancelled 2014-05-28
- Herot, Christopher F MA2024-12-24 active