Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W4SWF callsign genealogy
Currently held by Sakmar, Gary
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 W4SWF's current licensee, walking backwards.
- Sakmar, GaryFLgranted 2021-04-08cancelled 2021-05-14
Successor callsigns
Callsigns held now by people who previously held W4SWF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4SWF, oldest first.
- FREEMAN JR, SAM W GA2009-04-29 → cancelled 2021-04-09
- Sakmar, Gary FL2021-05-14 active