Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BWA callsign genealogy
Currently held by Zemba, Ricky L
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 K4BWA's current licensee, walking backwards.
- Zemba, Ricky LTNgranted 2017-12-04cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held K4BWA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BWA, oldest first.
- FOSTER SR, IRVING D TN1995-06-20 → cancelled 2000-04-29
- Zemba, Ricky L TN2022-04-19 active