uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NA1H callsign genealogy

Currently held by KIRBY, 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 NA1H's current licensee, walking backwards.

  1. K5RCScancelled· E
    SMITH, JERRY WTXgranted 2008-12-18cancelled 2017-07-18
  2. KE4LJOcancelled
    cancelled 1999-03-03

Successor callsigns

Callsigns held now by people who previously held NA1H.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NA1H, oldest first.

  • KIRBY, ROBERT B CT
    2005-05-28 → cancelled 2017-06-28
  • SMITH, JERRY W TX
    2017-07-18 active