Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA9YHU callsign genealogy
Currently held by FISHER, MICHAEL L
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 KA9YHU's current licensee, walking backwards.
- MC CLOUD, ADAM JINgranted 2015-10-06cancelled 2019-10-01
Successor callsigns
Callsigns held now by people who previously held KA9YHU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9YHU, oldest first.
- FISHER, MICHAEL L IN2007-02-07 → cancelled 2019-02-12
- McCloud, ADAM J IN2019-10-01 active