Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9YU callsign genealogy
Currently held by Grimes, Eric M
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 AA9YU's current licensee, walking backwards.
- GRIMES, ERIC MILgranted 1998-10-27cancelled 2000-06-03
Successor callsigns
Callsigns held now by people who previously held AA9YU.
- Grimes, Eric MILgranted 2020-05-08