Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ORB callsign genealogy
Currently held by CZUPKIEWICZ, FLORIAN B
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 K1ORB's current licensee, walking backwards.
- CATON, HEATHER ANYgranted 2011-01-28cancelled 2011-03-18
Successor callsigns
Callsigns held now by people who previously held K1ORB.
- Anderson, HEATHER AAZgranted 2023-05-31
All historical holders
Every license row we've seen with the callsign K1ORB, oldest first.
- CZUPKIEWICZ, FLORIAN B MA1988-03-22 → cancelled 2000-03-23
- CATON, HEATHER A NM2011-03-18 → cancelled 2013-06-07