Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4OU callsign genealogy
Currently held by OGLETREE, ROBERT A
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 AD4OU's current licensee, walking backwards.
- KK4YIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AD4OU.
- OGLETREE, ROBERT ASCgranted 2012-10-17cancelled 2024-11-26