Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4YAW callsign genealogy
Currently held by Fergusson Jr, Frank 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 W4YAW's current licensee, walking backwards.
- Leslie, Caleb TALgranted 2014-12-04cancelled 2016-11-22
Successor callsigns
Callsigns held now by people who previously held W4YAW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4YAW, oldest first.
- Fergusson Jr, Frank F NC2002-09-17 → cancelled 2014-12-16
- Leslie, Caleb T AL2016-11-22 active