Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BX callsign genealogy
Currently held by BLOCK, STANLEY B
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 K7BX's current licensee, walking backwards.
- Hadzic, EsedWAgranted 2008-09-29cancelled 2009-10-14
Successor callsigns
Callsigns held now by people who previously held K7BX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BX, oldest first.
- BLOCK, STANLEY B AZ1997-09-22 → cancelled 2009-09-23
- Hadzic, Esed WA2019-08-27 active