Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB5J callsign genealogy
Currently held by FRANK PHILLIPS REPEATER CLUB
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 AB5J's current licensee, walking backwards.
- KE5ULDcancelledFRANK PHILLIPS REPEATER CLUBOKgranted 2008-05-06cancelled 2008-06-11
Successor callsigns
Callsigns held now by people who previously held AB5J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB5J, oldest first.
- PHILLIPS, FRANKLIN J OK1998-03-20 → cancelled 2007-12-06
- FRANK PHILLIPS REPEATER CLUB OK2018-03-15 active