Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7AB callsign genealogy
Currently held by SCHLIERKAMP, JOHN H
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 KC7AB's current licensee, walking backwards.
- WA2FXCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC7AB.
No current licensee on record previously held this callsign.