Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ROC callsign genealogy
Currently held by Campbell, Robert O
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 K0ROC's current licensee, walking backwards.
- Campbell, Robert OCAgranted 2002-12-06cancelled 2003-10-07
Successor callsigns
Callsigns held now by people who previously held K0ROC.
No current licensee on record previously held this callsign.