[needdata] VOS (Volunteer Observing Ship) data help

• To: needdata@xxxxxxxxxxxxxxxx
• Subject: [needdata] VOS (Volunteer Observing Ship) data help
• From: Chuan Yuan Hsu <chsu1@xxxxxxxx>
• Date: Wed, 27 Apr 2016 01:35:02 -0500
• Resent-date: Wed, 27 Apr 2016 08:10:16 -0600
• Resent-from: Unidata User Support <support@xxxxxxxxxxxxxxxx>
• Resent-message-id: <20160427141017.05B13615BE@xxxxxxxxxxxxxxxxxxxxxxx>
• Resent-to: needdata@xxxxxxxxxxxxxxxx

Hi, All

Does anyone can teach me how to check the WMO id or IDD id for VOS?
I need to learn how to retrieve it via LDM server.

Thank You, 
Franke