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

W7RDX callsign genealogy

Currently held by Franson, Gregory 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 W7RDX's current licensee, walking backwards.

  1. KG7RDXcancelled· G
    Franson, Gregory WUTgranted 2015-02-17cancelled 2020-04-11

Successor callsigns

Callsigns held now by people who previously held W7RDX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7RDX, oldest first.

  • DOBYNE, ROBERT S NV
    2007-10-30 → cancelled 2020-01-08
  • Franson, Gregory W UT
    2020-04-11 active