Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0TUL callsign genealogy
Currently held by CROWELL, WILLIAM T
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 K0TUL's current licensee, walking backwards.
- CROWELL, WILLIAM TIAgranted 1996-02-05cancelled 2005-08-05
Successor callsigns
Callsigns held now by people who previously held K0TUL.
No current licensee on record previously held this callsign.