Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6AAH callsign genealogy
Currently held by Cowan III, Ernest G
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 K6AAH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6AAH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6AAH, oldest first.
- INGALLS, DONALD WA2006-01-26 → cancelled 2018-04-06
- Cowan III, Ernest G CA2025-05-20 active