Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4BSY callsign genealogy
Currently held by FOWLER JR, MARSHALL C
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 KF4BSY'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 KF4BSY.
- FOWLER JR, MARSHALL CNCgranted 1998-08-20cancelled 2000-06-07