Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WWO callsign genealogy
Currently held by MC CULLOUGH, OLIVER D
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 W4WWO's current licensee, walking backwards.
- Clark Jr, Robert PGAgranted 2000-08-04cancelled 2006-10-03
Successor callsigns
Callsigns held now by people who previously held W4WWO.
- Clark Jr, Robert PGAgranted 2007-08-31cancelled 2010-02-06
All historical holders
Every license row we've seen with the callsign W4WWO, oldest first.
- MC CULLOUGH, OLIVER D GA1988-10-18 → cancelled 2000-10-19
- Clark Jr, Robert P GA2006-10-03 → cancelled 2007-08-31