Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5GSW callsign genealogy
Currently held by Sweet, Michael F
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 K5GSW's current licensee, walking backwards.
- Sweet, Michael FTXgranted 2012-05-04cancelled 2012-08-03
Successor callsigns
Callsigns held now by people who previously held K5GSW.
No current licensee on record previously held this callsign.