Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU1G callsign genealogy
Currently held by CIESLUK, TIMOTHY P
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 KU1G's current licensee, walking backwards.
- CIESLUK, TIMOTHY PCAgranted 2012-03-26cancelled 2015-10-03
Successor callsigns
Callsigns held now by people who previously held KU1G.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KU1G, oldest first.
- NISKI, JOHN D CT2003-06-17 → cancelled 2015-09-15
- CIESLUK, TIMOTHY P CA2025-07-08 active