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

N6FGM callsign genealogy

Currently held by Martinez, Frank G

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 N6FGM's current licensee, walking backwards.

  1. KF5JNCcancelled· T
    Martinez, Frank GCAgranted 2011-01-18cancelled 2017-11-17

Successor callsigns

Callsigns held now by people who previously held N6FGM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N6FGM, oldest first.

  • COOPER SR, ARTHUR J CA
    1997-04-23 → cancelled 2009-04-24
  • Martinez, Frank G CA
    2017-11-17 active