Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB1EKI callsign genealogy
Currently held by GROCHOWSKI, MARK W
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 WB1EKI'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 WB1EKI.
- GROCHOWSKI, MARK WCTgranted 2023-12-12