Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4KKO callsign genealogy
Currently held by Spengler Jr, Raymond F
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 WA4KKO's current licensee, walking backwards.
- Spengler, Raymond FFLgranted 2003-01-16cancelled 2003-02-08
Successor callsigns
Callsigns held now by people who previously held WA4KKO.
No current licensee on record previously held this callsign.