Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7IDU callsign genealogy
Currently held by HEADDEN, RYAN J
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 W7IDU's current licensee, walking backwards.
- HEADDEN, RYAN JMTgranted 2004-01-30cancelled 2008-11-04
Successor callsigns
Callsigns held now by people who previously held W7IDU.
No current licensee on record previously held this callsign.