Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4RSP callsign genealogy
Currently held by OAKES, GEORGE 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 KD4RSP's current licensee, walking backwards.
- OAKES, GEORGE LFLgranted 2002-04-02cancelled 2002-04-30
Successor callsigns
Callsigns held now by people who previously held KD4RSP.
All historical holders
Every license row we've seen with the callsign KD4RSP, oldest first.
- OAKES, GEORGE L FL1992-09-29 → cancelled 2002-04-02
- Oakes, George L FL2002-04-30 → cancelled 2005-07-19