Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ3OMB callsign genealogy
Currently held by Fray, Bob
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 KZ3OMB's current licensee, walking backwards.
- Fray, Robert GPAgranted 2015-07-31cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held KZ3OMB.
No current licensee on record previously held this callsign.