Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7WOS callsign genealogy
Currently held by Speck Jr, William O
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 W7WOS's current licensee, walking backwards.
- Speck Jr, William OMTgranted 2005-02-11cancelled 2005-03-04
Successor callsigns
Callsigns held now by people who previously held W7WOS.
No current licensee on record previously held this callsign.