Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG9R callsign genealogy
Currently held by LINDQUIST, GREG A
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 KG9R's current licensee, walking backwards.
- LINDQUIST, GREG AILgranted 2012-11-07cancelled 2018-04-17
Successor callsigns
Callsigns held now by people who previously held KG9R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG9R, oldest first.
- KRAJEWSKI, ROBERT W IL2006-02-07 → cancelled 2018-03-29
- LINDQUIST, GREG A IL2018-04-17 active