Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4PFS callsign genealogy
Currently held by Sweatman, Heath 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 WA4PFS's current licensee, walking backwards.
- Sweatman, Heath WALgranted 2010-08-23cancelled 2011-02-01
Successor callsigns
Callsigns held now by people who previously held WA4PFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4PFS, oldest first.
- SWEATMAN, WILLIAM L GA2008-03-28 → cancelled 2008-11-20
- Sweatman, Heath W AL2021-03-13 active