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Nationwide Differential GPS (NDGPS)
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The Navigation Center appreciates your reports regarding service degradations, outages, or other incidents or anomalies. Please answer the questions below. Some fields are required for submission, but all personal data will be kept private and will only be used to contact you in the event that we need more information or if clarification is required. Please be as complete as possible when reporting an incident. Thank you!

Navigation Center Website Privacy Act Statement

:  5 U.S.C 301; 14 U.S.C. 93(a) and (c); 14 U.S.C 632; 33 U.S.C 1223

Purpose:  The Coast Guard Navigation Center will use this information to disseminate navigation safety notices and updates to individuals upon request and to receive reports of aid to navigation outages, issues or discrepancies.

Routine Uses:  Coast Guard personnel will use this information to disseminate safety notices and updates and to aid in the repair or investigate reports of navigation outages, issues or discrepancies.  Any external disclosures of data within this record will be made in accordance with DHS/ALL-002, Department of Homeland Security General Contact Lists, 73 Federal Register 71659, November 25, 2008, and DHS/USCG-013, Marine Information for Safety and Law Enforcement System of Records, 74 Federal Register 30305, June 25, 2009.

Disclosure: Furnishing this information is voluntary; however, failure to furnish the requested information may hinder your request for navigation safety related information.

If you are experiencing DGPS issues relating to positioning, navigation, timing or signals please proceed to fill out a DGPS outage report using the form below.

* Denotes a required field

1) *
2) *
3) *
4) and if additional information is necessary:
5) *What was the start time and date of the DGPS outage?
6) *
7) * Where did the outage occur? (LAT/LONG; Nearest City or landmark)
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