Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1EK callsign genealogy
Currently held by Bielawski, John 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 AB1EK's current licensee, walking backwards.
- Bielawski, John JMAgranted 2003-11-20cancelled 2004-12-14
Successor callsigns
Callsigns held now by people who previously held AB1EK.
- Bielawski, John JNHgranted 2024-10-17