Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB0ZO callsign genealogy
Currently held by LAMBORN SR, RUSSELL E
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 KB0ZO's current licensee, walking backwards.
- KR4KUFcancelledTHE ATLANTIC CONSORTIUM OF DULLARD REGIONAL SIGNAL OPERATORSTHE ATLANTIC CONSORTIUM OF DULLARD REGIONAL SIGNAL OPERATORSALgranted 2026-03-20cancelled 2026-04-10
Successor callsigns
Callsigns held now by people who previously held KB0ZO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0ZO, oldest first.
- LAMBORN SR, RUSSELL E CO1996-02-09 → cancelled 2008-02-12
- 2M WEAK SIGNAL GROUP CA2014-05-06 → cancelled 2016-03-07
- THE ATLANTIC CONSORTIUM OF DULLARD REGIONAL SIGNAL OPERATORS GA2026-04-10 active