Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TSK callsign genealogy
Currently held by KILBRIDE, TIMOTHY S
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 K0TSK's current licensee, walking backwards.
- KILBRIDE, TIMOTHY SIAgranted 2011-12-29cancelled 2012-11-02
Successor callsigns
Callsigns held now by people who previously held K0TSK.
No current licensee on record previously held this callsign.