Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4VX callsign genealogy
Currently held by O HARA SR, THOMAS R
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 AD4VX's current licensee, walking backwards.
- WB9JVBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AD4VX.
- O HARA SR, THOMAS ROHgranted 2007-11-17cancelled 2009-11-07