Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2SWL callsign genealogy
Currently held by De Blase, John J
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 W2SWL's current licensee, walking backwards.
- DE BLASE, JOHN JNJgranted 2000-07-08cancelled 2000-08-15
Successor callsigns
Callsigns held now by people who previously held W2SWL.
No current licensee on record previously held this callsign.