Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB9Y callsign genealogy
Currently held by Havranek II, James 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 NB9Y's current licensee, walking backwards.
- Havranek II, James CWIgranted 2001-08-22cancelled 2011-04-23
Successor callsigns
Callsigns held now by people who previously held NB9Y.
- WORST, EDWARD SILgranted 2026-04-09