3W9OK Vietnam. From DXNews.com

Brian, AA5H will be active as 3W9OK from Vietnam in March – April 2021.
He will operate on HF Bands.
Recent DX Spots 3W9OK
QTH – Da Nang, Vietnam.3W9OK Log searchSearch
QSL via home call direct, LOTW, ClubLog OQRS.
Ads for direct QSL:
Brian Betourney, 1601 NW 158TH CIR, EDMOND, OK, 73013-2090, USA.

3W9OK. Da Nang, Vietnam.

Vung Tau, Vietnam. Author – Arnaud Samie.

Vietnam. Author – Birute54.

3W9OK. Where is Da Nang, Vietnam located. Map.