Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ZV callsign genealogy
Currently held by JOHNSON, DOUGLAS H
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 W7ZV's current licensee, walking backwards.
- MILLER, DOUGLAS AORgranted 2008-03-12cancelled 2013-11-09
Successor callsigns
Callsigns held now by people who previously held W7ZV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ZV, oldest first.
- JOHNSON, DOUGLAS H UT2004-08-25 → cancelled 2011-10-11
- Miller, Douglas OR2024-02-01 active