Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4UJL callsign genealogy
Currently held by Porter, Christopher L
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 K4UJL's current licensee, walking backwards.
- Porter, Christopher LGAgranted 2001-09-17cancelled 2004-04-13
Successor callsigns
Callsigns held now by people who previously held K4UJL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4UJL, oldest first.
- PORTER, JAMES L GA1995-05-03 → cancelled 1995-09-17
- Porter, Christopher L GA2024-02-06 active