Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PHS callsign genealogy
Currently held by RILEY, JAMES M
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 K1PHS's current licensee, walking backwards.
- RILEY, JAMES MMAgranted 1999-03-05cancelled 2000-03-25
Successor callsigns
Callsigns held now by people who previously held K1PHS.
- RILEY, JAMES MTXgranted 2023-10-17