Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4DJR callsign genealogy
Currently held by Furlong, Kyle T
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 KD4DJR's current licensee, walking backwards.
- Furlong, Kyle TOHgranted 2022-02-14cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held KD4DJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4DJR, oldest first.
- FURLONG, LOUIS R FL1991-08-06 → cancelled 2003-08-07
- Furlong, Kyle T OH2022-04-01 active