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

N2OXF callsign genealogy

Currently held by COMERFORD, ALEXANDER 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 N2OXF's current licensee, walking backwards.

  1. KK6HXMcancelled· G
    COMERFORD, ALEXANDER JCAgranted 2013-11-19cancelled 2013-12-10

Successor callsigns

Callsigns held now by people who previously held N2OXF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N2OXF, oldest first.

  • PELLENBERG, WAYNE B NY
    1991-12-31 → cancelled 2004-01-01
  • COMERFORD, ALEXANDER J CA
    2013-12-10 → cancelled 2026-03-07