Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6WP callsign genealogy
Currently held by COSKO JR, JOSEPH
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 KF6WP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF6WP.
No current licensee on record previously held this callsign.