Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4LY callsign genealogy
Currently held by MONTERO, LEANDRO
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 WD4LY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WD4LY.
No current licensee on record previously held this callsign.