Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4YHZ callsign genealogy
Currently held by middleton, charles e
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 N4YHZ's current licensee, walking backwards.
- Middleton, Charles ELAgranted 2013-10-22cancelled 2017-08-12
Successor callsigns
Callsigns held now by people who previously held N4YHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4YHZ, oldest first.
- BUSCHBACHER, JIM R FL2000-02-17 → cancelled 2012-03-07
- middleton, charles e FL2017-08-12 active