Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR6CK callsign genealogy
Currently held by Seigel, Mark E
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 KR6CK's current licensee, walking backwards.
- SEIGEL, MARK ECAgranted 1998-10-14cancelled 1999-08-27
Successor callsigns
Callsigns held now by people who previously held KR6CK.
- Seigel, Mark ECAgranted 1998-10-14cancelled 2002-12-07