Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4VLN callsign genealogy
Currently held by Sorensen, 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 KR4VLN's current licensee, walking backwards.
- Sorensen, Joshua ACOgranted 2020-03-20cancelled 2021-10-13
Successor callsigns
Callsigns held now by people who previously held KR4VLN.
No current licensee on record previously held this callsign.