Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0ZH callsign genealogy
Currently held by DOLSON, MICHAEL R
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 N0ZH's current licensee, walking backwards.
- DOLSON, MICHAEL RMOgranted 1998-04-23cancelled 2000-10-07
Successor callsigns
Callsigns held now by people who previously held N0ZH.
No current licensee on record previously held this callsign.