Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4JUT callsign genealogy
Currently held by Fish, Mark 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 KK4JUT's current licensee, walking backwards.
- Fish, Mark AFLgranted 2009-05-19cancelled 2012-06-09
Successor callsigns
Callsigns held now by people who previously held KK4JUT.
- Fish, Mark AFLgranted 2022-06-30