uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W9BTC callsign genealogy

Currently held by Phillips, George W

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 W9BTC's current licensee, walking backwards.

  1. KF0EFJcancelled· G
    Phillips, George WMOgranted 2021-03-02cancelled 2022-12-31

Successor callsigns

Callsigns held now by people who previously held W9BTC.

No current licensee on record previously held this callsign.