Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2SIG callsign genealogy
Currently held by NABEREZNY, JOHN 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 K2SIG's current licensee, walking backwards.
- Garrett, Matthew STXgranted 2008-05-28cancelled 2009-01-06
Successor callsigns
Callsigns held now by people who previously held K2SIG.
- NABEREZNY, JOHN TNYgranted 2000-09-19cancelled 2012-09-20
All historical holders
Every license row we've seen with the callsign K2SIG, oldest first.
- NABEREZNY, JOHN T NY1995-12-07 → cancelled 2000-09-19
- Garrett, Matthew S TX2018-10-13 active