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

AA4RT callsign genealogy

Currently held by HURLOCKER, ROBERT A

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 AA4RT's current licensee, walking backwards.

  1. AF4RVcancelled· E
    Hamilton, Jeffrey TALgranted 1999-05-18cancelled 2001-04-17
  2. KV4CVcancelled· A
    Hamilton, Jeffrey TALgranted 1999-05-18cancelled 2000-04-25
  3. KG4AUNcancelled· G
    HAMILTON, JEFFREY TALgranted 1999-05-18cancelled 1999-11-16

Successor callsigns

Callsigns held now by people who previously held AA4RT.

  1. W0AMJactive· E
    HURLOCKER, ROBERT ANCgranted 2018-11-20

All historical holders

Every license row we've seen with the callsign AA4RT, oldest first.

  • HAMILTON, JEFFREY T AL
    2021-01-20 active
  • HURLOCKER, ROBERT A
    — → cancelled 1998-11-18
← Back to AA4RT License history →