Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4SQL callsign genealogy
Currently held by JPII Falcons Ameterur Radio Club
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 KK4SQL's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4SQL.
- WB4CHSexpiredJPII Falcons Amateur Radio ClubALgranted 2013-08-09cancelled 2025-08-12