Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7FR callsign genealogy
Currently held by GAGNON, SANDRA 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 KL7FR's current licensee, walking backwards.
- Grundberg, Michael RAKgranted 2021-03-29cancelled 2021-07-24
Successor callsigns
Callsigns held now by people who previously held KL7FR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7FR, oldest first.
- GAGNON, SANDRA L AK1989-03-21 → cancelled 2001-03-22
- Grundberg, Michael R AK2021-07-24 active