Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JSW callsign genealogy
Currently held by WEISS, JOHN S V
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 W4JSW's current licensee, walking backwards.
- WEISS, JOHN S VMDgranted 1991-09-17cancelled 2000-05-30
- N3JMFno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W4JSW.
No current licensee on record previously held this callsign.