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

AA5HO callsign genealogy

Currently held by THOMPSON, SAMUEL E

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 AA5HO's current licensee, walking backwards.

  1. AG5MHcancelled· E
    HO, CHI MINGTXgranted 2017-08-24cancelled 2018-02-06

Successor callsigns

Callsigns held now by people who previously held AA5HO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AA5HO, oldest first.

  • THOMPSON, SAMUEL E MS
    1988-08-23 → cancelled 2000-08-24
  • HO, CHI MING MA
    2018-02-06 active