Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WW4CSA callsign genealogy
Currently held by Sullivan Jr., Lewis E
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 WW4CSA's current licensee, walking backwards.
- Sullivan Jr., Lewis EALgranted 2021-07-27cancelled 2021-09-04
Successor callsigns
Callsigns held now by people who previously held WW4CSA.
No current licensee on record previously held this callsign.