Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4OLE callsign genealogy
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 N4OLE's current licensee, walking backwards.
- PFOST, RUSSELL LFLgranted 1999-03-23cancelled 2001-09-05
Successor callsigns
Callsigns held now by people who previously held N4OLE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4OLE, oldest first.
- PFOST, RUSSELL L FL2021-09-16 active
- —— → cancelled 1997-09-26