Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6PHS callsign genealogy
Currently held by STEIN, PAUL H
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 W6PHS's current licensee, walking backwards.
- KO6ERHcancelledSan Joaquin Public Health Emergency Communications SystemCAgranted 2024-05-15cancelled 2024-06-04
Successor callsigns
Callsigns held now by people who previously held W6PHS.
- STEIN, PAUL HCAgranted 2018-11-24
All historical holders
Every license row we've seen with the callsign W6PHS, oldest first.
- STEIN, PAUL H CA2010-05-04 → cancelled 2018-11-24
- San Joaquin Public Health Emergency Communications System CA2024-06-04 active
- ——