Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1DAP callsign genealogy
Currently held by Patterson Jr, Donald A
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 WA1DAP's current licensee, walking backwards.
- Patterson Jr, Donald AMEgranted 2006-12-14cancelled 2007-02-08
Successor callsigns
Callsigns held now by people who previously held WA1DAP.
- Patterson Jr, Donald AMEgranted 2018-10-16