Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3HWH callsign genealogy
Currently held by HAMMERSCHMIDT SR, HARRY W
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 N3HWH's current licensee, walking backwards.
- HAMMERSCHMIDT SR, HARRY WPAgranted 2008-04-03cancelled 2010-09-18
Successor callsigns
Callsigns held now by people who previously held N3HWH.
No current licensee on record previously held this callsign.