Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5LEO callsign genealogy
Currently held by Magallon, Leo
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 KB5LEO's current licensee, walking backwards.
- Magallon, LeoTXgranted 2010-03-01cancelled 2010-03-19
Successor callsigns
Callsigns held now by people who previously held KB5LEO.
- SPARKS, ELVIN WTXgranted 2010-08-09cancelled 2017-12-15