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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AA7TB callsign genealogy

Currently held by HARRINGTON, ROBERT L

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 AA7TB's current licensee, walking backwards.

  1. N7LOBactive· E
    O'Brien, Leslie MWAgranted 2020-05-05
  2. KF7EOCcancelled· G
    O'Brien, Leslie MWAgranted 2009-09-10cancelled 2010-07-07

Successor callsigns

Callsigns held now by people who previously held AA7TB.

No current licensee on record previously held this callsign.

← Back to AA7TB License history →