Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JLO callsign genealogy
Currently held by Lopez, Julio C
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 W1JLO's current licensee, walking backwards.
- Lopez, Julio CTXgranted 2024-01-12cancelled 2024-02-16
Successor callsigns
Callsigns held now by people who previously held W1JLO.
No current licensee on record previously held this callsign.