Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI0TB callsign genealogy
Currently held by MADDEN JR, LOUIS A
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 KI0TB's current licensee, walking backwards.
- MADDEN JR, LOUIS ACOgranted 1998-05-01cancelled 2008-03-07
Successor callsigns
Callsigns held now by people who previously held KI0TB.
No current licensee on record previously held this callsign.