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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AB5ZS callsign genealogy

Currently held by Sanders, Susanne M

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 AB5ZS's current licensee, walking backwards.

  1. N5TBQactive· A
    MORRIS, STANLEY KTXgranted 2021-11-12
  2. WB5RRactive· A
    OSTROFSKY, CHARLESTXgranted 2026-08-29
  3. KB9GQcancelled· A
    OSTROFSKY, CHARLESMDgranted 2016-07-06cancelled 2026-08-29

Successor callsigns

Callsigns held now by people who previously held AB5ZS.

No current licensee on record previously held this callsign.

← Back to AB5ZS License history →