Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3NIH callsign genealogy
Currently held by National Institutes Of Health Radio Amateur Club
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 W3NIH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W3NIH.
No current licensee on record previously held this callsign.