Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6BC callsign genealogy
Currently held by SPIERLING, HERBERT 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 N6BC's current licensee, walking backwards.
- Robertson, Michael CFLgranted 2016-03-21cancelled 2017-10-20
Successor callsigns
Callsigns held now by people who previously held N6BC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6BC, oldest first.
- SPIERLING, HERBERT C CA2012-11-27 → cancelled 2015-09-29
- Robertson, Michael C FL2017-10-20 active