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North Korea Launches Missile and Tries To Jam GPS Signals (go.com)
An anonymous reader writes: Hours after North Korea fired a short-range missile into the sea in retaliation for ongoing U.S. join military drills with South Korea, they started jamming GPS navigation systems near its border with South Korea, affecting hundreds of fishing boats but not causing any immediate danger. There were no disruptions to drivers' satellite navigation system or air traffic, but warning messages were broadcast in affected areas warning ships not to rely on their GPS navigation. In a statement, the South Korean Ministry of National Defense said: "North Korea has been continuously disrupting GPS system since 7:30 pm [Thursday] and thereby interfering and hampering our military movements, which is threatening the safety of our people."
The difference is k47 armed afghans and iraqis don't have a leadership. you can't cut off the snake's head to kill it. As there isn't a head to cut. Hitler killing himself ended world war II, what would have happened if the SS instead of surrendering became a gorilla fighting force that never gave up?
The USA Army walked over the iraqi army like it wasn't there. however once the big army battles were done, then the real trouble began. Only idiots didn't see it coming.(yes they happened to be in washington DC at that time)
i thought once I was found, but it was only a dream.
There's really no such thing as "jam proof" - merely resistant. Even directional antennas are not perfectly directional, and will still receive off-axis signals, just at some attenuated strength. Any sufficiently strong nearby source can overwhelm a much more distant and weaker source.
In a "real" war, it wouldn't be jamming that is the problem anyway. The problem would be that the GPS constellation would go bye-bye from the other guy's anti-sat weapons. Not that many countries have those, but the most sophisticated adversaries do have them.
The US actually likes to provoke NK. If NK gets riled up, it gives the US more excuses to place more troops or missile defenses in S. Korea/Japan. These missile defenses would do nothing to help S. Korea, considering that N. Korea has tons of artillery already pointed towards Seoul which is only a few miles from the border. Instead they only use is to help contain both Russia + China. More so towards containing China.