Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BBY callsign genealogy
Currently held by McNabb, Thomas S
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 N4BBY's current licensee, walking backwards.
- McNabb, Thomas SFLgranted 2016-06-08cancelled 2016-07-01
Successor callsigns
Callsigns held now by people who previously held N4BBY.
No current licensee on record previously held this callsign.