Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2TK callsign genealogy
Currently held by Larson, Robert B
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 K2TK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K2TK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2TK, oldest first.
- Larson, Robert B NJ2014-08-12 → cancelled 2019-08-01
- Troia, Keith NY2021-08-20 active