Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9YB callsign genealogy
Currently held by Anders, Joshua I
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 KC9YB's current licensee, walking backwards.
- Joshua, Anders IILgranted 2019-05-01cancelled 2019-05-24
Successor callsigns
Callsigns held now by people who previously held KC9YB.