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

N4BLE callsign genealogy

Currently held by RIGGS, JAMES D

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 N4BLE's current licensee, walking backwards.

  1. KR4DYIcancelled· T
    Santos, Mark EFLgranted 2025-05-15cancelled 2025-06-06

Successor callsigns

Callsigns held now by people who previously held N4BLE.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4BLE, oldest first.

  • RIGGS, JAMES D TN
    1996-02-15 → cancelled 2008-02-16
  • Santos, Mark E FL
    2025-06-06 active