Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WP4SSL callsign genealogy
Currently held by MELENDEZ PENA, KARLO 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 WP4SSL's current licensee, walking backwards.
- MELENDEZ PENA, KARLO EPRgranted 2017-12-20cancelled 2023-01-23
Successor callsigns
Callsigns held now by people who previously held WP4SSL.
No current licensee on record previously held this callsign.