Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7OBB callsign genealogy
Currently held by MURPHY, KELVIN 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 KC7OBB's current licensee, walking backwards.
- KC7IMSno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC7OBB.
- MURPHY, KELVIN MIDgranted 2015-12-01cancelled 2017-11-14