Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1PTX callsign genealogy
Currently held by SLATER III, JOHN 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 N1PTX's current licensee, walking backwards.
- SLATER III, JOHN JNHgranted 2019-04-29cancelled 2022-06-24
Successor callsigns
Callsigns held now by people who previously held N1PTX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1PTX, oldest first.
- COELLO, JEAN C VT1993-07-27 → cancelled 2005-07-28
- SLATER III, JOHN J NH2022-06-24 active