Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NPO callsign genealogy
Currently held by Finch, Dennis 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 K4NPO's current licensee, walking backwards.
- Finch, Dennis GFLgranted 2023-01-26cancelled 2023-09-08
Successor callsigns
Callsigns held now by people who previously held K4NPO.
No current licensee on record previously held this callsign.