Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF0TOS callsign genealogy
Currently held by Barnes, David G
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 WF0TOS's current licensee, walking backwards.
- Barnes, David GCOgranted 2004-02-18cancelled 2004-03-13
Successor callsigns
Callsigns held now by people who previously held WF0TOS.
No current licensee on record previously held this callsign.