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

N9RPC callsign genealogy

Currently held by WILLIAMS, JAMES 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 N9RPC's current licensee, walking backwards.

  1. KB9BYR
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9RPC.

No current licensee on record previously held this callsign.

← Back to N9RPC License history →