Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW1COP callsign genealogy
Currently held by LEISTNER, DONALD C
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 KW1COP's current licensee, walking backwards.
- LEISTNER, DONALD CFLgranted 2020-10-15cancelled 2020-11-06
Successor callsigns
Callsigns held now by people who previously held KW1COP.
No current licensee on record previously held this callsign.