Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5FRJ callsign genealogy
Currently held by LADERACH, ADAM J
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 KD5FRJ's current licensee, walking backwards.
- LADERACH, ADAM JOKgranted 2015-03-19cancelled 2015-12-22
Successor callsigns
Callsigns held now by people who previously held KD5FRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5FRJ, oldest first.
- LADERACH, ADAM J OK1998-11-24 → cancelled 2010-11-25
- LADERACH, ADAM J OK2026-02-20 active