Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4JKB callsign genealogy
Currently held by Mitchell, 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 KJ4JKB's current licensee, walking backwards.
- Mitchell, Mark ANCgranted 2009-01-28cancelled 2009-02-12
Successor callsigns
Callsigns held now by people who previously held KJ4JKB.
- Mitchell, Mark ANCgranted 2018-12-07