Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1CTB callsign genealogy
Currently held by Bielecki, Christopher T
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 K1CTB's current licensee, walking backwards.
- Bielecki, Christopher TRIgranted 2000-12-08cancelled 2001-01-03
Successor callsigns
Callsigns held now by people who previously held K1CTB.
No current licensee on record previously held this callsign.