Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA5TRT callsign genealogy
Currently held by Underwood, Tim
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 WA5TRT's current licensee, walking backwards.
- Underwood, TimKSgranted 2025-03-04cancelled 2025-03-22
Successor callsigns
Callsigns held now by people who previously held WA5TRT.
No current licensee on record previously held this callsign.