Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2CTQ callsign genealogy
Currently held by RONKIN, SEYMOUR M
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 K2CTQ's current licensee, walking backwards.
- Luedecke, NorbertTXgranted 2022-04-11cancelled 2022-05-03
Successor callsigns
Callsigns held now by people who previously held K2CTQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2CTQ, oldest first.
- RONKIN, SEYMOUR M NJ1999-01-18 → cancelled 2011-01-19
- Luedecke, Norbert TX2022-05-03 active