Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD5RF callsign genealogy
Currently held by O GRADY, CHARLES D
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 KD5RF's current licensee, walking backwards.
- O'GRADY JR, CHARLES DTXgranted 2007-06-15cancelled 2008-09-03
Successor callsigns
Callsigns held now by people who previously held KD5RF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5RF, oldest first.
- O GRADY, CHARLES D TX1997-02-14 → cancelled 2006-08-10
- O'GRADY JR, CHARLES D TX2018-09-11 active