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

N9TVX callsign genealogy

Currently held by WOLF, GREGORY M

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 N9TVX's current licensee, walking backwards.

  1. KD9HUQcancelled· G
    Heinkel, Jason RILgranted 2017-02-01cancelled 2017-04-14

Successor callsigns

Callsigns held now by people who previously held N9TVX.

  1. K9VLactive· E
    Heinkel, Jason RILgranted 2022-08-12

All historical holders

Every license row we've seen with the callsign N9TVX, oldest first.

  • WOLF, GREGORY M WI
    2003-06-25 → cancelled 2015-06-26
  • Heinkel, Jason R IL
    2017-04-14 → cancelled 2022-08-12