Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8TNP callsign genealogy
Currently held by Phelps, Thomas 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 W8TNP's current licensee, walking backwards.
- Phelps, Thomas WOHgranted 2002-06-06cancelled 2007-12-01
Successor callsigns
Callsigns held now by people who previously held W8TNP.
- Phelps, Thomas WOHgranted 2018-11-03cancelled 2019-02-26