Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7CLB callsign genealogy
Currently held by BUCHANAN, CRAIG L
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 N7CLB's current licensee, walking backwards.
- BUCHANAN, CRAIG LLAgranted 2010-08-26cancelled 2010-09-18
Successor callsigns
Callsigns held now by people who previously held N7CLB.
No current licensee on record previously held this callsign.