Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4GHZ callsign genealogy
Currently held by CERNAK, MICHAEL L
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 WA4GHZ's current licensee, walking backwards.
- CERNAK, MICHAEL LFLgranted 2009-06-22cancelled 2009-07-17
Successor callsigns
Callsigns held now by people who previously held WA4GHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4GHZ, oldest first.
- HOWELL SR, JOSEPH W NC1997-02-20 → cancelled 2009-02-21
- CERNAK, MICHAEL L FL2019-05-25 active