Over the last few years, several of us in the GNSS community have done our best to convince our colleagues, policymakers, and the general public that unsavory characters with GNSS jammers or spoofers are a genuine threat to GNSS and an orderly society.
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GPS jamming attacks from North Korea have increased in frequency and duration since they began in August 2010, prompting the South Korean government to implement an enhanced Loran (eLoran) system that will cover the entire country by 2016.
The application of signal jammer in military
Electromagnetic radiation threatens device function because it impairs the device’s ability to transmit signals without surrounding electronic interference disrupting them. With the proliferation of devices...
According to the military, communications to the population had already been published in September. In early October, warnings were also issued via the region's usual maritime radio channels. However, this was probably not enough to reach everyone invo...
Navigation content can no longer be filtered out by sending an interference signal on the GPS carrier frequency, as there is no or only poor reception.
Here an available signal is modified, broadcast with a delay or newly generated. The goal is to tr...
What is a gps blocker? How do GPS jammers work?
A GPS jammer is a small device that operates on the same frequency as GPS satellites. The satellite signal is disrupted by jammers, so the navigation system or GPS tracker cannot locate itself. They are...
The emergence of a large number of listening devices allows third parties to obtain information that they should not know. But at the same time, devices are being developed to prevent unwanted guests from entering personal or business life. The easiest ...
