Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0TPD callsign genealogy
Currently held by PING, DOUGLAS 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 W0TPD's current licensee, walking backwards.
- PING, DOUGLAS DKSgranted 2016-05-19cancelled 2018-03-30
Successor callsigns
Callsigns held now by people who previously held W0TPD.
No current licensee on record previously held this callsign.