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

N0DAX callsign genealogy

Currently held by RUF, JAMES E

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 N0DAX's current licensee, walking backwards.

  1. KD0AIEcancelled· T
    George, JamesCOgranted 2007-04-17cancelled 2011-05-24

Successor callsigns

Callsigns held now by people who previously held N0DAX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N0DAX, oldest first.

  • RUF, JAMES E MO
    1997-04-22 → cancelled 2000-08-10
  • George, James CO
    2021-03-02 active