Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL3UD callsign genealogy
Currently held by Freivald, Joshua A
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 KL3UD's current licensee, walking backwards.
- Freivald, Joshua AAKgranted 2013-05-06cancelled 2014-01-03
Successor callsigns
Callsigns held now by people who previously held KL3UD.
- Freivald, Joshua ANEgranted 2024-01-10