Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4IDH callsign genealogy
Currently held by Martindale, Nathan
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 KN4IDH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KN4IDH.
- Martindale, Nathan ATNgranted 2017-12-29