Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7EWO callsign genealogy
Currently held by Fischbach, Karl 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 K7EWO's current licensee, walking backwards.
- Fischbach, Karl CWAgranted 2013-07-19cancelled 2013-08-10
Successor callsigns
Callsigns held now by people who previously held K7EWO.
No current licensee on record previously held this callsign.