Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0JHZ callsign genealogy
Currently held by SYKES, WILLIAM F
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 N0JHZ's current licensee, walking backwards.
- SYKES, WILLIAM FMOgranted 1998-01-16cancelled 2001-06-26
Successor callsigns
Callsigns held now by people who previously held N0JHZ.
- SYKES, WILLIAM FMOgranted 1998-01-16cancelled 2001-06-26
All historical holders
Every license row we've seen with the callsign N0JHZ, oldest first.
- SYKES, WILLIAM F MO1998-01-16 → cancelled 2000-05-16
- SYKES, WILLIAM F MO2021-05-06 active