uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KF7HNM callsign genealogy

Currently held by SPERRY, JOHN 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 KF7HNM'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 KF7HNM.

  1. KF7JIOcancelled· G
    SPERRY, JOHN WMTgranted 2010-02-11cancelled 2010-05-11