Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3PDT callsign genealogy
Currently held by TOMBAUGH, PAUL 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 N3PDT's current licensee, walking backwards.
- TOMBAUGH, PAUL DMOgranted 2009-12-18cancelled 2010-01-20
Successor callsigns
Callsigns held now by people who previously held N3PDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3PDT, oldest first.
- TOMBAUGH, PAUL D MO2019-10-23 active
- —— → cancelled 1998-04-07