Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ESP callsign genealogy
Currently held by Porter, Eric 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 W3ESP's current licensee, walking backwards.
- Porter, Eric SMDgranted 2003-10-14cancelled 2003-11-07
Successor callsigns
Callsigns held now by people who previously held W3ESP.
No current licensee on record previously held this callsign.