uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-11

AB2SW callsign genealogy

Currently held by PALUMBO, RICHARD 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 AB2SW's current licensee, walking backwards.

  1. KC2NHXcancelled· E
    PALUMBO, RICHARD JNYgranted 2004-09-08cancelled 2004-09-09

Successor callsigns

Callsigns held now by people who previously held AB2SW.

No current licensee on record previously held this callsign.