Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4KLS callsign genealogy
Currently held by SEGARRA CASTRO, KENNETH
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 WP4KLS's current licensee, walking backwards.
- Segarra Castro, KennethPRgranted 2021-05-17cancelled 2021-06-07
Successor callsigns
Callsigns held now by people who previously held WP4KLS.
- SEGARRA CASTRO, KENNETHPRgranted 2021-12-18
All historical holders
Every license row we've seen with the callsign WP4KLS, oldest first.
- BRAVO, SARIANIE PR1991-09-03 → cancelled 2003-09-04
- SEGARRA CASTRO, KENNETH PR2021-06-07 → cancelled 2021-12-18