Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1DQ callsign genealogy
Currently held by Gladstone, Philip J
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 N1DQ's current licensee, walking backwards.
- Gladstone, Philip JMAgranted 2005-03-07cancelled 2007-03-30
Successor callsigns
Callsigns held now by people who previously held N1DQ.
- BUCHANAN, KEVIN MCTgranted 2019-05-24
All historical holders
Every license row we've seen with the callsign N1DQ, oldest first.
- Gladstone, Philip J MA2017-01-07 active
- BUCHANAN, KEVIN M— → cancelled 1999-08-02