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

KC7GUN callsign genealogy

Currently held by HEINER, ZACK S

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 KC7GUN's current licensee, walking backwards.

  1. KI6YFRcancelled· G
    HEINER, ZACK SCAgranted 2018-05-25cancelled 2018-06-12
  2. KI6PMScancelled· T
    HEINER, ZACK SCAgranted 2008-04-04cancelled 2009-04-07

Successor callsigns

Callsigns held now by people who previously held KC7GUN.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KC7GUN, oldest first.

  • PEXTON, MATTHEW G WY
    1994-11-21 → cancelled 2006-11-22
  • HEINER, ZACK S CA
    2018-06-12 active