Ristna DGPS - Navigational warning (important)

From: Olavi Heinlo Sent: 18 May 2017 11:27 To: Virtanen Janne Cc: Darja G�nter Subject: RE: Ristna DGPS - Navigational warning (important) Hello Janne! I received this information about 2 minutes before your e-mail. We will issue a navigational warning and also send it to NAVTEX. Also I have received information that there is a plan to fix Ristna DGPS on Monday (22.05). Best reg. Olavi From: Virtanen Janne [mailto:[email protected]] Sent: Thursday, May 18, 2017 11:19 AM To: Olavi Heinlo <[email protected]> Subject: Ristna DGPS - Navigational warning (important) Importance: High Hello Olavi! We got some information, that Ristna DGPS station is transmitting false data occasionally. Error can be even 200m. Do you know about this, and are you going to do navigational warning to navtex of this issue? I hope you response soon this email and hear from you. Best regards Janne Virtanen Team Manager, Master Mariner Nautical Chart Quality Control, Chart updating, National Coordinator of Navigational Warnings Finnish Transport Agency Hydrographic Office P.O. Box 33, 00521 Helsinki FINLAND Tel. +358 20 637 3489 janne.virtanen(at)fta.fi www.liikennevirasto.fi