Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4OOG callsign genealogy
Currently held by RICE, RICHARD H
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 KF4OOG's current licensee, walking backwards.
- Rice, Richard HFLgranted 2018-03-21cancelled 2018-04-24
Successor callsigns
Callsigns held now by people who previously held KF4OOG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4OOG, oldest first.
- RICE, RICHARD H FL1997-01-22 → cancelled 2009-01-23
- Rice, Richard H FL2018-04-24 active