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

AB1BA callsign genealogy

Currently held by Schiller, Andrew B

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 AB1BA's current licensee, walking backwards.

  1. KB1FNFcancelled· E
    Schiller, Andrew BCTgranted 1999-07-28cancelled 2002-06-03
  2. KB1EHFcancelled· P
    SCHILLER, ANDREW BCTgranted 1999-07-28cancelled 2000-07-29
  3. KB1DBOcancelled· N
    SCHILLER, ANDREW Bcancelled 1999-07-28

Successor callsigns

Callsigns held now by people who previously held AB1BA.

No current licensee on record previously held this callsign.

← Back to AB1BA License history →