Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR7OB callsign genealogy
Currently held by O'Byrnes, Robert R
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 KR7OB's current licensee, walking backwards.
- O'Byrnes, Robert RORgranted 2022-03-25cancelled 2022-06-22
Successor callsigns
Callsigns held now by people who previously held KR7OB.
No current licensee on record previously held this callsign.