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

KI4OI callsign genealogy

Currently held by POWLEY, DANNY R

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 KI4OI's current licensee, walking backwards.

  1. KA4JNQ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KI4OI.

  1. NX4DPactive· A
    POWLEY, DANNY RKYgranted 2021-04-07
← Back to KI4OI License history →