Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG6OK callsign genealogy
Currently held by ROSENBERG, HERBERT 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 KG6OK's current licensee, walking backwards.
- ROSENBERG, DAVID ICAgranted 2007-12-18cancelled 2008-01-05
Successor callsigns
Callsigns held now by people who previously held KG6OK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG6OK, oldest first.
- ROSENBERG, HERBERT S CA1999-08-06 → cancelled 2005-09-19
- ROSENBERG, DAVID I CA2017-10-24 active