Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0IYF callsign genealogy
Currently held by ARMENTROUT, CHARLES J
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 N0IYF's current licensee, walking backwards.
- WB3EHHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N0IYF.
- ARMENTROUT, CHARLES JMNgranted 2024-01-03