Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9SGM callsign genealogy
Currently held by Suckow, Gary R
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 W9SGM's current licensee, walking backwards.
- Suckow, Gary RALgranted 2014-01-06cancelled 2015-03-24
Successor callsigns
Callsigns held now by people who previously held W9SGM.
No current licensee on record previously held this callsign.