Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1TRD callsign genealogy
Currently held by Kaulka, Shawn L
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 W1TRD's current licensee, walking backwards.
- Kaulka, Shawn LVTgranted 2018-06-29cancelled 2018-07-20
Successor callsigns
Callsigns held now by people who previously held W1TRD.
No current licensee on record previously held this callsign.