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

AB7N callsign genealogy

Currently held by NEFF, JOHN F

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 AB7N's current licensee, walking backwards.

  1. AD7SGcancelled· E
    Petit, Clinton JORgranted 2007-09-18cancelled 2010-04-06
  2. KE7OUScancelled· E
    Petit, Clinton JORgranted 2007-09-18cancelled 2008-02-26

Successor callsigns

Callsigns held now by people who previously held AB7N.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB7N, oldest first.

  • NEFF, JOHN F WA
    1999-01-15 → cancelled 2007-07-13
  • Petit, Clinton J OR
    2020-02-10 active