Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7VVW callsign genealogy
Currently held by Preston, Douglas 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 K7VVW's current licensee, walking backwards.
- Preston, Douglas LUTgranted 2022-09-20cancelled 2024-11-22
Successor callsigns
Callsigns held now by people who previously held K7VVW.
- Preston, Douglas LUTgranted 2026-08-21