Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0ABD callsign genealogy
Currently held by Korpal, John 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 KC0ABD's current licensee, walking backwards.
- WB6KPAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC0ABD.
- Korpal, John LCOgranted 2017-09-01cancelled 2019-09-17