Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0WWX callsign genealogy
Currently held by GRABER JR, 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 W0WWX's current licensee, walking backwards.
- GRABER JR, MICHAEL LIAgranted 2016-03-31cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held W0WWX.
- Miller, David CIDgranted 2023-11-25
All historical holders
Every license row we've seen with the callsign W0WWX, oldest first.
- Miller, David C NE2013-12-03 → cancelled 2013-12-03
- GRABER JR, MICHAEL L IA2026-02-25 active