Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SQ callsign genealogy
Currently held by PADGETT, CLAUDE 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 N4SQ's current licensee, walking backwards.
- Montoya Jr, Joseph LTNgranted 2007-06-18cancelled 2007-08-21
Successor callsigns
Callsigns held now by people who previously held N4SQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SQ, oldest first.
- PADGETT, CLAUDE R AZ2000-04-13 → cancelled 2002-06-14
- Montoya Jr, Joseph L TN2017-09-19 active