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

KE4IP callsign genealogy

Currently held by GRIGSBY, BRYAN 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 KE4IP's current licensee, walking backwards.

  1. K1TCPactive· G
    DIORIO, Chris JRIgranted 2018-02-27
  2. KC1IOTcancelled· G
    DIORIO, Chris JRIgranted 2017-11-22cancelled 2018-02-27

Successor callsigns

Callsigns held now by people who previously held KE4IP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KE4IP, oldest first.

  • PORTER, ROBERT R FL
    1996-06-04 → cancelled 2008-06-05
  • GRIGSBY, BRYAN D GA
    2025-04-15 active