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Antenna Filtering Mitigates GNSS Interference - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

Tallysman Wireless announced its new eXtended Filtering (XF) features to the TW3900 series of Accutenna precision antennas. The XF feature is designed to mitigate interference from all near-band signals. As the radio frequency spectrum has become more congested with many newly-activated Long Term Evolution (LTE) bands for cellular, these signals and their harmonic frequencies can affect GNSS antennas and receivers, according to the company. In North America, the planned Ligado service, which will broadcast in the frequency range of 1526 to 1536 MHz, can affect GNSS antennas that receive space-based L-band correction service signals (1539 – 1559 MHz). New LTE signals in Europe [Band 32 (1452 – 1496 MHz)] and Japan [Bands 11 and 21 (1476 – 1511 MHz)] have also affected GNSS signals. Lastly, the Inmarsat satellite communication uplink (1626.5 – 1660.5 MHz) commonly used on maritime vessels can also affect nearby GNSS antennas.

Globe 4G LTE network expands in 12 provinces in the Philippines

Developing Telecoms Newsletter Sign Up Keep up-to-date with the latest telecoms news in emerging markets globally. Subscribe to Developing Telecoms FREE weekly newsletter. Afghanistan Bosnia and Herzegowina Cook Islands Samoa South Sudan, Republic of Sweden Uruguay Business/Industry/Finance User Your personal data will not be shared with third parties. Click here to view our privacy policy. 426 Globe Telecom, a provider of telecommunications services in the Philippines, announced that it had upgraded its third-generation (3G) network in 12 provinces to 4G Long-Term Evolution (LTE) with the completion and modernisation of several sites. “More customers in Batangas, Bohol, Bukidnon, Davao del Sur, Davao del Norte, and seven other provinces will now have better access to Globe’s 4G LTE network,” the Filipino operator said in a press release.

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