Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4SVW callsign genealogy
Currently held by Marler, Joshua T
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 KJ4SVW's current licensee, walking backwards.
- Marler, Joshua TTNgranted 2010-01-28cancelled 2010-03-09
Successor callsigns
Callsigns held now by people who previously held KJ4SVW.
- MARLER, JOSHUA TTNgranted 2020-02-19cancelled 2023-08-18