Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4IOR callsign genealogy
Currently held by Phillips, David C
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 KJ4IOR's current licensee, walking backwards.
- Phillips, David CGAgranted 2008-12-19cancelled 2013-07-16
Successor callsigns
Callsigns held now by people who previously held KJ4IOR.
All historical holders
Every license row we've seen with the callsign KJ4IOR, oldest first.
- Phillips, David C GA2008-12-19 → cancelled 2010-07-02
- Phillips, D C GA2013-07-16 → cancelled 2016-02-02