uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KQ4HDH callsign genealogy

Currently held by SANTIAGO ORRIA, FRANCISCO J

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 KQ4HDH's current licensee, walking backwards.

  1. NP3FScancelled· G
    SANTIAGO, FRANCISCO JFLgranted 2020-07-09cancelled 2023-03-22
  2. WP4FJScancelled· G
    SANTIAGO, FRANCISCO JPRgranted 2010-02-17cancelled 2010-08-07
  3. WP4ODScancelled· T
    SANTIAGO, FRANCISCO JPRgranted 2010-01-25cancelled 2010-02-17

Successor callsigns

Callsigns held now by people who previously held KQ4HDH.

No current licensee on record previously held this callsign.

← Back to KQ4HDH License history →