Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9YI callsign genealogy
Currently held by BLACKWELL, ALAN 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 K9YI's current licensee, walking backwards.
- BLACKWELL, ALAN MINgranted 2000-07-08cancelled 2003-11-07
Successor callsigns
Callsigns held now by people who previously held K9YI.
No current licensee on record previously held this callsign.