Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4HAR callsign genealogy
Currently held by SHERIDON, HAROLD D
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 N4HAR's current licensee, walking backwards.
- SHERIDON, HAROLD DTNgranted 2004-09-15cancelled 2006-04-15
Successor callsigns
Callsigns held now by people who previously held N4HAR.
No current licensee on record previously held this callsign.