Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RDF callsign genealogy
Currently held by Schmidt, Byron 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 W7RDF's current licensee, walking backwards.
- Schmidt, Byron LIDgranted 2009-06-10cancelled 2009-12-11
Successor callsigns
Callsigns held now by people who previously held W7RDF.
No current licensee on record previously held this callsign.