Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5PHT callsign genealogy
Currently held by Stone, Matthew 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 N5PHT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N5PHT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5PHT, oldest first.
- Stone, Gary R KS2023-08-19 → cancelled 2025-11-26
- Stone, Matthew R KS2026-06-13 active