Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4SW callsign genealogy
Currently held by KRAMER, C RAYMOND
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 K4SW's current licensee, walking backwards.
- KINGERY, DEAN MTNgranted 1994-01-18cancelled 2003-05-20
- KA4CFTno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4SW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SW, oldest first.
- KRAMER, C RAYMOND FL1996-10-07 → cancelled 1999-06-02
- KINGERY, DEAN M TN2023-10-11 active