Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5IBU callsign genealogy
Currently held by GUIN, JOHN C
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 N5IBU's current licensee, walking backwards.
- GUIN, JOHN CWAgranted 2013-12-27cancelled 2015-11-07
Successor callsigns
Callsigns held now by people who previously held N5IBU.
No current licensee on record previously held this callsign.