Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG5JBA callsign genealogy
Currently held by KOWALEWSKI JR, DONALD 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 KG5JBA'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 KG5JBA.
- Kowalewski Jr, Donald CFLgranted 2026-03-04