Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4OPJ callsign genealogy
Currently held by Keller, Lori 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 KF4OPJ's current licensee, walking backwards.
- Keller, Lori LALgranted 2008-03-06cancelled 2008-03-28
Successor callsigns
Callsigns held now by people who previously held KF4OPJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4OPJ, oldest first.
- KELLER, LORI L AL1997-01-23 → cancelled 1999-10-07
- Keller, Lori L AL2018-02-03 active