Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9BLK callsign genealogy
Currently held by Valdez, Alex
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 K9BLK's current licensee, walking backwards.
- VALDEZ, ALEXCAgranted 2004-09-22cancelled 2007-05-04
Successor callsigns
Callsigns held now by people who previously held K9BLK.
No current licensee on record previously held this callsign.