Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7DZ callsign genealogy
Currently held by ZDANOVEC, RICHARD G
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 KL7DZ's current licensee, walking backwards.
- Welp, Paul JAKgranted 2006-05-23cancelled 2006-10-31
Successor callsigns
Callsigns held now by people who previously held KL7DZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7DZ, oldest first.
- ZDANOVEC, RICHARD G AK1991-09-03 → cancelled 2003-09-04
- Welp, Paul J AK2016-09-03 active