Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4WBH callsign genealogy
Currently held by Frederick, Jason 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 KK4WBH's current licensee, walking backwards.
- Frederick, Jason AFLgranted 2012-05-17cancelled 2013-12-23
Successor callsigns
Callsigns held now by people who previously held KK4WBH.
- Frederick, Jason AFLgranted 2024-01-05