Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1PGH callsign genealogy
Currently held by Treloar, Christopher S
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 W1PGH's current licensee, walking backwards.
- Treloar, Christopher SPAgranted 2026-06-25cancelled 2026-07-17
Successor callsigns
Callsigns held now by people who previously held W1PGH.
No current licensee on record previously held this callsign.