Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6IRQ callsign genealogy
Currently held by ROSENBERG, GARY L
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 KF6IRQ's current licensee, walking backwards.
- Rosenberg, Gary LCAgranted 2025-04-19cancelled 2025-05-09
Successor callsigns
Callsigns held now by people who previously held KF6IRQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6IRQ, oldest first.
- ROSENBERG, GARY L CA1997-01-29 → cancelled 2009-01-30
- Rosenberg, Gary L CA2025-05-09 active