Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3NAP callsign genealogy
Currently held by Clauser, David R
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 W3NAP's current licensee, walking backwards.
- Clouser, David RPAgranted 2003-03-18cancelled 2003-05-09
Successor callsigns
Callsigns held now by people who previously held W3NAP.
- Clouser, David RPAgranted 2003-05-09cancelled 2008-08-09