Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ABZ callsign genealogy
Currently held by Stevens, Denis L
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 K4ABZ's current licensee, walking backwards.
- Stevens, Denis LFLgranted 2012-12-12cancelled 2013-04-30
Successor callsigns
Callsigns held now by people who previously held K4ABZ.
No current licensee on record previously held this callsign.