Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4OOL callsign genealogy
Currently held by MILLER, JOHN 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 W4OOL's current licensee, walking backwards.
- Feldman, Ian RILgranted 2009-03-05cancelled 2009-03-28
Successor callsigns
Callsigns held now by people who previously held W4OOL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4OOL, oldest first.
- MILLER, JOHN G VA1988-04-26 → cancelled 2000-04-27
- Feldman, Ian R TX2019-01-30 active