Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4QKM callsign genealogy
Currently held by TORO RODRIGUEZ, LUIS
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 WP4QKM's current licensee, walking backwards.
- TORO RODRIGUEZ, LUISPRgranted 2018-09-19cancelled 2018-09-20
Successor callsigns
Callsigns held now by people who previously held WP4QKM.
- TORO RODRIGUEZ, LUISPRgranted 2018-10-10