Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4SK callsign genealogy
Currently held by CRAMPTON, RAYMOND J
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 KN4SK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN4SK.
No current licensee on record previously held this callsign.