Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB6YH callsign genealogy
Currently held by CHESKO, JAMES 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 AB6YH's current licensee, walking backwards.
- Reynolds, MarkCAgranted 2023-07-11cancelled 2025-05-06
Successor callsigns
Callsigns held now by people who previously held AB6YH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB6YH, oldest first.
- CHESKO, JAMES D CA2003-07-30 → cancelled 2015-10-27
- Reynolds, Mark CA2025-05-06 active