Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WP4JS callsign genealogy
Currently held by ALGARIN ALLEN, CYNTHIA 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 WP4JS's current licensee, walking backwards.
- SANTIAGO RAMOS, JACKELINEFLgranted 2018-05-23cancelled 2018-06-12
Successor callsigns
Callsigns held now by people who previously held WP4JS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4JS, oldest first.
- ALGARIN ALLEN, CYNTHIA A PR1992-12-08 → cancelled 2004-12-09
- SANTIAGO RAMOS, JACKELINE PR2018-06-12 active