Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA7TDN callsign genealogy
Currently held by Nicolls, Thomas D
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 WA7TDN's current licensee, walking backwards.
- Nicolls, Thomas DAZgranted 2004-11-02cancelled 2009-01-06
Successor callsigns
Callsigns held now by people who previously held WA7TDN.
No current licensee on record previously held this callsign.