Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SBG callsign genealogy
Currently held by McDonald, Dennis W
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 K1SBG's current licensee, walking backwards.
- McDonald, Dennis WTNgranted 2011-08-16cancelled 2011-09-07
Successor callsigns
Callsigns held now by people who previously held K1SBG.
No current licensee on record previously held this callsign.