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

N1GVF callsign genealogy

Currently held by Schnobrich, Michael J

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 N1GVF's current licensee, walking backwards.

  1. KE0JZScancelled· E
    Schnobrich, Michael JCOgranted 2016-08-12cancelled 2017-06-13

Successor callsigns

Callsigns held now by people who previously held N1GVF.

  1. K0YIactive· E
    Schnobrich, Michael JCOgranted 2020-05-01

All historical holders

Every license row we've seen with the callsign N1GVF, oldest first.

  • BARBOUR, GILBERT L ME
    1989-07-25 → cancelled 2001-07-26
  • Schnobrich, Michael J CO
    2017-06-13 → cancelled 2020-05-01