Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO7CLP callsign genealogy
Currently held by ODonnell, Robert M
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 KO7CLP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KO7CLP.
No current licensee on record previously held this callsign.