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

KF6ACE callsign genealogy

Currently held by Greenfield, Miller D

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 KF6ACE's current licensee, walking backwards.

  1. KF6VHGcancelled· T
    Greenfield, Miller DCAgranted 2024-07-09cancelled 2025-12-09
  2. K9VHMcancelled· T
    Greenfield, Miller DCAgranted 2023-05-26cancelled 2024-07-09
  3. KN6UVJcancelled· T
    Greenfield, Miller DCAgranted 2022-06-28cancelled 2023-05-26

Successor callsigns

Callsigns held now by people who previously held KF6ACE.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KF6ACE, oldest first.

  • AVILA, JUAN J CA
    1995-12-05 → cancelled 2007-12-06
  • Greenfield, Miller D CA
    2025-12-09 active