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

KF7BTY callsign genealogy

Currently held by PORTLAND RADIO CONTESTER CLUB

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 KF7BTY's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KF7BTY.

  1. KK7PRcancelled
    PORTLAND RADIO CONTESTER CLUBORgranted 2009-05-22cancelled 2018-08-14