Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7BSU callsign genealogy
Currently held by KRELLER, FREDRICK 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 W7BSU's current licensee, walking backwards.
- Kreller, Fredrick JIDgranted 2007-02-07cancelled 2007-03-10
Successor callsigns
Callsigns held now by people who previously held W7BSU.
No current licensee on record previously held this callsign.