Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL7W callsign genealogy
Currently held by Liskiewicz, Daniel J
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 KL7W's current licensee, walking backwards.
- Liskiewicz, Daniel JAKgranted 2014-10-07cancelled 2015-06-13
Successor callsigns
Callsigns held now by people who previously held KL7W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7W, oldest first.
- Leap, Roderick A WA2003-02-28 → cancelled 2015-05-27
- Liskiewicz, Daniel J AK2025-06-10 active