Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NW4F callsign genealogy
Currently held by MONACO, JOHN T
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 NW4F's current licensee, walking backwards.
- MONACO, JOHN TFLgranted 2000-07-28cancelled 2006-12-02
Successor callsigns
Callsigns held now by people who previously held NW4F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NW4F, oldest first.
- TYSON, LEONARD GA1996-06-20 → cancelled 2004-02-10
- MONACO, JOHN T FL2016-10-03 active