Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1GBB callsign genealogy
Currently held by Knox, Christopher 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 N1GBB's current licensee, walking backwards.
- Knox, Christopher SVTgranted 2007-10-05cancelled 2011-01-11
Successor callsigns
Callsigns held now by people who previously held N1GBB.
All historical holders
Every license row we've seen with the callsign N1GBB, oldest first.
- Knox, Christopher S VT1998-10-12 → cancelled 2007-10-05
- Knox, Christopher S VT2011-01-11 → cancelled 2018-01-27