Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3TRT callsign genealogy
Currently held by HENDRICKS, KEITH A
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 W3TRT's current licensee, walking backwards.
- HENDRICKS, KEITH AOHgranted 1997-03-20cancelled 2004-06-22
Successor callsigns
Callsigns held now by people who previously held W3TRT.
- HENDRICKS, KEITH AOHgranted 2025-01-03