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GPS jamming signals coming from North Korea has forced South Korea to order its military and civilian air transports to switch on alternative navigational devices to avoid disruption. A statement from the ministry has confirmed that they were able to warn airlines and pilots of the 241 affected South Korean flights along with the 11 foreign airlines like Thai Airways, AirPhil, FedEx, Japan Airlines and Cathay Pacific Airways. But even as the GPS jamming signals continued, South Korea sees no serious threat to navigational safety. Korea Communications Commission confirmed that the GPS jamming signals have been coming from a city on North Korea side of the border. "We've traced the jamming signals to the direction of Kaesong," a commission deputy director told Springhill Group. According to the transport agency, planes that suffered from GPS signal jamming were instructed to use the alternative navigation systems and were not delayed in their schedules. The signal jamming appears to be focused on air traffic at Gimpo and Incheon airports, both of which are around 30 miles from the border. Despite the GPS disruption, Springhill Group reports that there was no serious threat to flight safety as airplanes are capable of using other navigation devices like inertial navigation system and very-high-frequency omni-directional range (VOR). Meanwhile, military communications and transportation were not greatly affected as they do not primarily depend on the GPS system. North Korea did not admit anything so the reason for the GPS jamming remains unclear as fears that another nuclear test might follow is escalating. Likewise, it is not known for just how long the jamming will continue as during last year's South Korea-US military drill, the radio signal jamming from Pyongyang has lasted for ten days. At any rate, South Korea is always on the lookout for any provocation from its neighbor, especially as a nuclear specialist has said that North Korea appears to

GPS jamming signals coming from North Korea has forced South Korea to order its military and civilian air transports to switch on alternative navigational devices to avoid disruption. A statement from the ministry has confirmed that they were able to warn airlines and pilots of the 241 affected South Korean flights along with the 11 foreign airlines like Thai Airways, AirPhil, FedEx, Japan Airlines and Cathay Pacific Airways. But even as the GPS jamming signals continued, South Korea sees no serious threat to navigational safety. Korea Communications Commission confirmed that the GPS jamming signals have been coming from a city on North Korea side of the border. "We've traced the jamming signals to the direction of Kaesong," a commission deputy director told Springhill Group. According to the transport agency, planes that suffered from GPS signal jamming were instructed to use the alternative navigation systems and were not delayed in their schedules. The signal jamming appears to be focused on air traffic at Gimpo and Incheon airports, both of which are around 30 miles from the border. Despite the GPS disruption, Springhill Group reports that there was no serious threat to flight safety as airplanes are capable of using other navigation devices like inertial navigation system and very-high-frequency omni-directional range (VOR). Meanwhile, military communications and transportation were not greatly affected as they do not primarily depend on the GPS system. North Korea did not admit anything so the reason for the GPS jamming remains unclear as fears that another nuclear test might follow is escalating. Likewise, it is not known for just how long the jamming will continue as during last year's South Korea-US military drill, the radio signal jamming from Pyongyang has lasted for ten days. At any rate, South Korea is always on the lookout for any provocation from its neighbor, especially as a nuclear specialist has said that North Korea appears to

Firms that are paid tens of millions of dollars to root out Medicare fraud are bidding on contracts to investigate companies they are doing business with _ sometimes their own parent companies, according to a government report released Tuesday. Two-thirds of the companies that bid on contracts during a nearly year-and-a-half time period beginning in October of 2010 had financial ties to claims processors _ and in some cases also processed Medicare claims themselves, according to the study by the U.S. Department of Health and Human Services' inspector-general. The report blames what it calls a flawed bidding system and an inadequate conflict-of-interest policy. The study looked into bids from about 100 potential contractors and subcontractors and found nearly 2,000 relationships that posed potential conflicts. For example, one company submitted a bid to investigate Medicare fraud even though its parent company provided two types of Medicare coverage in all 50 states. Medicare fraud contractors are often tied to a large number of providers, but the report doesn't break the numbers down by each contractor. The federal government requires Medicare fraud contractors to identify their potential conflicts and their financial interests in other companies when submitting bids, but the report found they often failed to provide all the information. Even when they did, it was sometimes inconsistent or unclear, according to the study, which urged federal health officials to adopt formal, clear guidelines for companies to follow when submitting bids. Tuesday's report examined only companies bidding on springhill groupMedicare-fraud contracts, not those with existing contracts. But a 2011 congressional survey of companies providing Medicare reimbursements revealed that some had financial relationships with the contractors investigating them. The Centers for Medicare and Medicaid Services, the federal agency overseeing Medicare, said in a statement that it has a robust