Tag

Electromagnetic Interference

All articles tagged with #electromagnetic interference

science-and-technology2 years ago

SpaceX's Starlink Satellites: Radiation Leaks and Collision Avoidance Maneuvers

Scientists have confirmed that SpaceX's Starlink satellites are emitting low-frequency radio waves, separate from their allocated downlink bands, which could interfere with radio astronomy. The leakage was detected using the LOw Frequency ARray (LOFAR) in Europe, and the emissions were found to be unintentional and within a protected band allocated to radio astronomy. While the current impact is relatively small, the increasing number of satellites in orbit could amplify the interference. SpaceX is working on reducing or eliminating this unintentional leakage, and researchers are calling for support from the satellite industry and regulators to address the issue.

science-and-technology2 years ago

"Satellite Constellations' Radio Noise Threatens Astronomical Observations"

Astronomers have detected radio emissions from SpaceX's Starlink satellites, likely caused by electromagnetic noise within the spacecraft. The emissions, detected at low frequencies, create an additional source of interference for radio astronomers. While the impact on radio astronomy is still unclear, the emissions span a protected frequency range. Although SpaceX has been willing to discuss mitigation measures, astronomers are concerned about similar emissions from other satellite constellations and the lack of clear regulations to protect radio astronomy bands. The detection of these emissions from Starlink satellites may encourage other operators to take proactive steps to mitigate interference.

technology2 years ago

The Future of AM Radio in New Car Models

Automakers like Ford, Mazda, BMW, and Tesla are planning to remove AM radio from some 2024 gas or electric vehicles, citing electromagnetic audio interference as the reason. However, AM radio is still popular in smaller markets where there may not be as much coverage, especially for emergency weather alerts. Despite its popularity, younger generations prefer clear and crisp sound quality, which is why satellite radio is becoming more popular.

technology2 years ago

The Controversy Surrounding the Removal of AM Radio from New Car Models.

Car manufacturers such as BMW, Mazda, Volvo, Volkswagen, and Tesla are removing AM radio from their new models due to electromagnetic interference caused by electric motors. Ford is going even further and removing AM radio from all new cars, gas or electric. However, there are concerns that this move could hinder the delivery of emergency weather alerts, as AM radio is the backbone of the nation's Emergency Alert system. Critics urge automakers to find a way to fix the interference rather than remove the service altogether.

technology2 years ago

The Slow Demise of AM Radio in New Car Models

Car manufacturers, including BMW, Mazda, Volvo, Volkswagen, Tesla, and Ford, are removing AM radio from their new vehicles, citing electromagnetic interference as the reason. However, many listeners still rely on AM radio for news, talk shows, sports, and emergency weather alerts. The National Association of Broadcasters calls AM radio the "backbone of the nation's Emergency Alert system." Sen. Ed Markey urges automakers to find a way to fix the interference rather than remove the service altogether.