Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3KT callsign genealogy
Currently held by COSME, JUAN R
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 AB3KT's current licensee, walking backwards.
- COSME, JUAN RPAgranted 2001-08-16cancelled 2010-03-05
Successor callsigns
Callsigns held now by people who previously held AB3KT.
No current licensee on record previously held this callsign.