Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6FAT callsign genealogy
Currently held by WILLIAMS JR, WALTER P
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 W6FAT's current licensee, walking backwards.
- Miller, Matthew TTXgranted 2018-03-07cancelled 2018-06-09
Successor callsigns
Callsigns held now by people who previously held W6FAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6FAT, oldest first.
- WILLIAMS JR, WALTER P WA1999-12-08 → cancelled 2009-12-03
- Miller, Matthew T TX2018-06-09 active