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

AB9TD callsign genealogy

Currently held by DEIBLER, ROBERT 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 AB9TD's current licensee, walking backwards.

  1. KB9TNDcancelled· E
    DEIBLER, ROBERT BILgranted 1998-12-01cancelled 2005-04-23

Successor callsigns

Callsigns held now by people who previously held AB9TD.

No current licensee on record previously held this callsign.