Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ESU callsign genealogy
Currently held by Taylor, Michael S
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 W4ESU's current licensee, walking backwards.
- Taylor, Michael STNgranted 2001-05-01cancelled 2002-06-04
Successor callsigns
Callsigns held now by people who previously held W4ESU.
- Taylor, Michael STNgranted 2024-10-18