Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2TNT callsign genealogy
Currently held by CASTERLIN, BRIAN W
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 W2TNT's current licensee, walking backwards.
- CASTERLIN, BRIAN WNYgranted 2006-05-04cancelled 2009-11-10
Successor callsigns
Callsigns held now by people who previously held W2TNT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2TNT, oldest first.
- SMITH, LAWRENCE H FL1997-04-24 → cancelled 2009-04-25
- CASTERLIN, BRIAN W NY2019-10-23 active