TAG: dual-frequency

Tallysman Launches Higher Gain Dual-Frequency Antenna

August 19, 2015By

Tallysman, a manufacturer of high-performance GNSS antennas, has launched a higher gain dual-frequency embedded antenna: the TW3870E. The TW3870E antenna has a typical gain of 35 dB which is required by some GNSS receivers, such as Trimble’s BD9xx family of receivers. The antenna is capable of receiving GPS L1/L2 and GLONASS G1/G2 signals. It employs Tallysman’s Accutenna technology, which can... read more

This article is tagged with , , , and posted in Design & Test, Latest News, Product Showcase

South Surveying Launches New Dual-Frequency GNSS Receiver at InterGeo

October 23, 2014By

Hyman Huang of South Surveying & Mapping Instrument Co. talks with GPS World about the company’s new dual-frequency GNSS Receiver and its tablet counterpart while at InterGeo 2014, held October 7-9 in Berlin. View our YouTube playlist for more InterGeo videos. read more

This article is tagged with , , , , , and posted in Survey

Quad-Constellation Receiver: GPS, GLONASS, Galileo, BeiDou

January 1, 2014By

The implementation changes and first live tests of BeiDou and Galileo on Teseo-3 GNSS chips developed in 2013 are covered, bringing it to a four-constellation machine. By 2020, we expect to have four global constellations all on the same band, giving us more than 100 satellites — under clear sky, as many as 30 or 40 simultaneously. read more

Tallysman Introduces Dual-Frequency Antenna Series

July 19, 2013By

Tallysman Wireless Inc. has added the dual-frequency TW3800 series to its high-quality precision line of antenna products. The TW3800 series antennas feature a circular stacked patch antenna for improved axial ratio, yet are small and light, and have the extended bandwidth required for L1/L2 GPS & G1/G2 GLONASS, the company said. The operating voltage range is from +2.5 to 16... read more