Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0WDT callsign genealogy
Currently held by TUNNELL, DONALD W
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 N0WDT's current licensee, walking backwards.
- TUNNELL, DONALD WMOgranted 2006-04-17cancelled 2007-05-22
Successor callsigns
Callsigns held now by people who previously held N0WDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0WDT, oldest first.
- HERRERA, BARBARA L CO1993-03-23 → cancelled 2005-03-24
- TUNNELL, DONALD W MO2017-04-19 active