Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8SGZ callsign genealogy
Currently held by Johnson, Glen 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 K8SGZ's current licensee, walking backwards.
- Johnson, Glen LMIgranted 2013-10-18cancelled 2015-04-03
Successor callsigns
Callsigns held now by people who previously held K8SGZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8SGZ, oldest first.
- JOHNSON, ARDEN C MI2000-11-03 → cancelled 2013-01-30
- Johnson, Glen L MI2025-01-11 active