Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ESP callsign genealogy
Currently held by PETERSON, EDWARD 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 W1ESP's current licensee, walking backwards.
- Peterson, Edward SUTgranted 2005-06-06cancelled 2005-06-25
Successor callsigns
Callsigns held now by people who previously held W1ESP.
- Peterson, Edward SAZgranted 2018-01-17