Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4INU callsign genealogy
Currently held by Johnson, Philips 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 K4INU's current licensee, walking backwards.
- Johnson, Philips BSCgranted 2023-05-16cancelled 2023-06-06
Successor callsigns
Callsigns held now by people who previously held K4INU.
- Johnson, Philips BSCgranted 2023-11-28
All historical holders
Every license row we've seen with the callsign K4INU, oldest first.
- GILBERT, GERALD K GA2011-01-11 → cancelled 2023-04-11
- Johnson, Philips B SC2023-06-06 → cancelled 2023-11-28