Anschütz Gyrocompasses: Mastering Navigation Amidst Jamming and Spoofing Threats

In the face of increasing threats to navigation systems worldwide, Anschütz gyrocompasses stand out for their exceptional resilience to jamming and spoofing attacks. The rise in interference with Global Navigation Satellite Systems (GNSS) has exposed vulnerabilities in many navigation systems, but Anschütz’s gyrocompasses offer a robust alternative that ensures reliable performance even under adverse conditions.

Navigating the Threats

Jamming and spoofing represent two major threats to GNSS navigation. Jamming involves disrupting GNSS signals, making them unavailable and leading to a loss of critical navigation data such as latitude, longitude, and speed. Spoofing, on the other hand, involves sending false GNSS signals that mislead navigation systems, resulting in incorrect positional and speed information. Both issues can severely impact the accuracy of navigation, especially for global shipping and trade.

Anschütz Gyrocompasses: A Reliable Solution

Anschütz gyrocompasses, such as the Standard 22 NX and the Standard 30 MF, are designed to counteract these threats effectively. 

• The Standard 22 NX is a mechanical gyrocompass that operates independently of external GNSS inputs. It maintains reliable heading information even when GNSS signals are jammed or spoofed. While jamming can cause a minor deviation in speed error correction—up to 2.5 degrees in the worst case—the compass continues to provide accurate heading data, which is crucial for most commercial applications. The Anschütz heading management system also includes measures to restore full accuracy.

• The Standard 30 MF, a strapdown gyrocompass, employs angular rate sensors and accelerometers. Unlike many strapdown systems, it can function without latitude input, which is particularly advantageous in areas with unreliable GNSS signals. This compass has been rigorously tested in challenging environments, such as offshore supply vessels and Baltic Sea ferries, showing only minor heading deviations. The Standard 30 MF automatically filters out larger position jumps caused by spoofing and generates alarms for smaller deviations. It can operate independently of GNSS systems for up to 28 days, ensuring constant heading information even during extended disruptions.

Enhanced Resilience and Management

Both the Standard 22 NX and Standard 30 MF are equipped with advanced algorithms and design features that enhance their resilience to jamming and spoofing. For users needing additional measures, the Anschütz heading management system offers several options to further minimize the effects of these threats:

• Integration of a conventional speed log for speed input.
• Independent speed and latitude inputs for each compass.
• Combination of the Standard 22 NX and Standard 30 MF to leverage their respective strengths.
• Manual input of speed and latitude during incidents of jamming or spoofing.

These features ensure that Anschütz gyrocompasses remain a dependable choice for navigation, providing consistent and accurate heading information even in the face of sophisticated electronic threats.

By combining robust technologies with advanced countermeasures, Anschütz gyrocompasses effectively address the growing challenges of jamming and spoofing, securing safe and reliable navigation in all conditions.