Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3JAS callsign genealogy
Currently held by DIEFFENBACH, RIX A
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 W3JAS's current licensee, walking backwards.
- SANTIAGO, JOSE APAgranted 2005-12-14cancelled 2009-06-30
Successor callsigns
Callsigns held now by people who previously held W3JAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3JAS, oldest first.
- DIEFFENBACH, RIX A FL1991-12-17 → cancelled 2003-12-18
- SANTIAGO, JOSE A PA2019-05-07 active