Tallysman Wireless has released its dual-band low-profile helical GNSS antenna, the HC871SXF. It is designed for precise positioning, covering the GPS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, and BeiDou-B1 frequency bands, including the satellite-based augmentation system (SBAS) available in the region of operation — WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN(India).
The HC871SXF has a precision-tuned, high-accuracy helical element that provides a suitable axial ratio and operates without a ground plane. These features make the HC871SXF suitable for lightweight, UAV navigation and a variety of precision applications.
The HC871SXF low-profile helical antenna is approximately 10 mm shorter than the HC871 and provides the same performance. The antenna base has a male SMA connector. To facilitate installation, the base also has two threaded inserts and an O-ring to waterproof the SMA connection.
The HC871SXF antenna also supports Tallysman’s eXtended Filtering (XF) technology.
Tallysman Wireless has added the housed SSL990XF full-band survey-grade GNSS antenna to its line of GNSS products.
The SSL990XF uses a derivative of Tallysman’s patented VeroStar antenna element to provide full GNSS + L-band corrections frequency coverage.
The SSL990XF is 63 mm in diameter and 28 mm tall and weighs ~50 grams, making it a very small and light housed full-band precision antenna. It has a very tight average phase-center variation of 4 mm or lower for all frequencies and overall azimuths and elevation angles.
The full-band SSL990XF antenna supports GPS/QZSS L1/L2/L5, QZSS L6, GLONASS G1/G2/G3, Galileo E1/E5ab/E6 and BeiDou B1/B2ab/B3, as well as L-band correction services. Also supported in the region of operation are satellite-based augmentation systems: WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN (India).
The SSL990XF is housed in a weatherproof (IP67) enclosure and is mounted using either adhesive tape or a mounting collar that includes a waterproofing O-ring. Two antenna cable connector options are available. The first is a female SMA, and the second is an MCX. It is an ideal antenna for precision UAV and all applications where light weight and precision matter.
The radio-frequency spectrum has become congested worldwide as many new LTE bands have been activated, and their signals or harmonic frequencies can affect GNSS antennas and receivers.
In North America, the planned Ligado service, which will broadcast in the frequency range of 1526 to 1536 MHz, can affect GNSS signals. Similarly, new LTE signals in Europe [Band 32 (1452–1496 MHz)] and Japan [Bands 11 and 21 (1476–1511 MHz)] have also affected GNSS signals. Tallyman’s new SSL990XF with eXtended Filtering (XF) technology mitigates the interference effects of these new signals.
Tallysman Wireless has added eXtended Filtering (XF) to the housed and embedded lightweight HC977XF (triple-band + L-band), HC882XF (dual band + L-band) and HC872XF (dual-band (GPS and GLONASS) + L-band) precision helical GNSS antennas.
Tallysman has designed the XF feature to mitigate interference from all near-band signals and ensure that the antenna provides the purest GNSS signals.
The radio-frequency spectrum has become congested worldwide as many new LTE bands have been activated, and their signals or harmonic frequencies can affect GNSS antennas and receivers. In North America, the planned Ligado service, which will broadcast in the frequency range of 1526–1536 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.
Tallysman’s housed helical antennas weigh ~42 g and are enclosed in a robust military-grade IP67 plastic enclosure. The antenna base has an integrated SMA connector, a waterproofing O-ring, and three screw holes to enable secure attachment. Tallysman’s embedded helical antennas weigh ~8 g and are easily mounted with an optional embedded helical mounting ring, which traps the outer edge of the antenna circuit board to the host circuit board or any flat surface.
An MCX connector is installed in the base of the antenna.
Tallysman helical antennas are suitable for a variety of applications, including lightweight unmanned autonomous vehicle navigation (land, sea and air), land survey devices, automotive positioning, timing and other precise-positioning applications.
The HC885EXF embedded helical antenna. (Photo: Tallysman)
Tallysman Wireless has added the housed HC885XF and embedded HC885EXF dual-band eXtended Filtering (XF) antennas to its line of helical antennas.
The antennas receive GPS/QZSS L1/L5, GLONASS G1/G3, Galileo E1/ E5a/b, BeiDou B1/B2/B2a and L-band corrections services.
Historically, dual-frequency antennas and receivers commonly supported GPS L1 and L2 and GLONASS G1 and G2. In recent years, GPS, GLONASS, Galileo, BeiDou and NavIC have added GNSS signals in the L5 frequency band (1160-1217 MHz).
As a result, the new dual-frequency GNSS standard has become L1 and L5.
Tallysman’s new HC885XF antenna has been tuned to provide optimal support for the entire L1/G1/E1/B1/L-band correction and L5/G3/E5/B2 bands.
The radio frequency spectrum has become congested worldwide as many new LTE bands have been activated, and their signals or harmonic frequencies can affect GNSS antennas and receivers. 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. Tallyman’s XF models mitigate the effects of these new signals.
The Tallysman HC885XF housed helical antenna weighs ~42 g and is enclosed in a robust, military-grade IP67 plastic enclosure. The antenna base has an integrated SMA connector, a water-proofing O-ring, and three screw holes to enable secure attachment.
Tallysman’s embedded HC885EXF helical antenna weighs ~8 g. It is easily mounted with an optional embedded helical mounting ring, which traps the outer edge of the antenna circuit board to the host circuit board or any flat surface. An MCX connector is installed in the base of the antenna.
Tallysman HC885EXF and HC885XF antennas are suitable for a variety of applications, including lightweight unmanned autonomous vehicle navigation (land, sea, and air), land survey devices, automotive positioning, timing and other precise-positioning applications.
Tallysman Wireless Inc. has added the low-profile triple-band HC997EXF to its line of embedded helical GNSS antennas, and the TWA928LXF to its AccuAuto line. Both feature the company’s eXtended Filtering (XF).
Designed for UAVs and Other Applications
Photo: Tallysman
The HC997EXF is designed for precise positioning, covering the GPS/QZSS-L1/L2/L5, GLONASS-G1/G2/G3, Galileo-E1/E5a/E5b, BeiDou-B1/B2/B2a, and NavIC-L5 frequency bands. It also covers the satellite-based augmentation system (SBAS) available in the region of operation — WAAS (North America), EGNOS (Europe), MSAS (Japan) or GAGAN(India) — as well as L-band correction services.
The low-profile helical antenna is packaged in a light (11 g) and compact form factor (60 mm wide and 25 mm tall). Its precision-tuned, high-accuracy helical element provides an excellent axial ratio and operates without a ground plane. These features make the HC997EXF suitable for lightweight unmanned aerial vehicle (UAV) navigation and a wide variety of precision applications.
The HC997EXF antenna base has a flying lead and a variety of connectors. To facilitate installation, Tallysman provides an optional embedded helical mounting ring that traps the outer edge of the antenna circuit board to the host circuit board or any flat surface. Tallysman provides support for installation and integration of its embedded helical antennas to ensure optimal performance.
New Vehicle Antenna Launched
Photo: Tallysman
Another new XF antenna, the TWA928LXF, is part of Tallysman’s AccuAuto autonomous vehicle family of compact and rugged embedded antennas.
The triple-band TWA928LXF supports GPS/QZSS-L1/L2/L5, GLONASS-G1/G2/G3, Galileo-E1/E5a/E5b, BeiDou-B1/B2/B2a, and NavIC-L5 signals and frequency bands, including L-band correction services.
The TWA928LXF vehicle antenna features a patented Tallysman Accutenna technology antenna element, an integrated ground plane, radome and underside cover that provides mist and condensation protection. The bottom cover also supports the antenna cable and mitigates cable vibration to ensure that the antenna has a long service life, while the ground plane improves antenna performance.
All AccuAuto antennas are built with Automotive Electronics Council (AEC) certified electronic components designed to perform under the most challenging environmental conditions, such as extreme temperatures, shock and vibration.
XF Coming to All Lines
eXtended Filtering enables the HC997EXF antenna to mitigate new and existing radio frequency bands that interfere with GNSS signals. The custom XF filtering has been tested to mitigate new (Europe and Japan) and existing LTE signals, enabling the XF antennas to produce clean and pure GNSS radio frequency data.
For example, in North America, the planned Ligado service, which will broadcast in the frequency range of 1526 to 1536 MHz, could affect GNSS antennas that receive space-based L-band correction service signals (1539–1559 MHz).
Similarly, LTE signals or their harmonics, such as the new LTE bands in Europe–Band 32 (1452–1496 MHz)–and Japan–Bands 11 and 21 (1476–1511 MHz)–have affected GNSS antennas and receivers.
Lastly, the Inmarsat satellite communication uplink (1626.5–1660.5 MHz), commonly used on maritime vessels, can also affect nearby GNSS antennas.
Tallysman Wireless also has added eXtended Filtering (XF) to its TW3800 series of Accutenna precision antennas, and will be rolled out to all of Tallysman’s product lines.
Tallysman Wireless has added new eXtended Filtering (XF) features to the TW3900 series of Accuntena precision antennas. Tallysman designed the XF feature to mitigate interference from all near-band signals and ensure that the antenna provides the purest GNSS signals.
Tallysman’s TW3972XF, TW3972EXF, TW3972LGXF, TW3967XF, and TW3967LGXF are triple-band antennas that support GPS/QZSS (L1/L2/L5), GLONASS (G1/G2/G3), Galileo (E1/E5ab), BeiDou (B1/B2/B2a), NavIC L5, and L-Band correction services.
Worldwide, the radio frequency spectrum has become congested as many new LTE bands have been activated, and their signals or harmonic frequencies can affect GNSS antennas and receivers. 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).
The TW3972-XF antenna. (Photo: Tallysman)
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.
Tallysman’s custom XF filtering has been tested to mitigate new (Europe and Japan) and existing LTE signals, enabling the XF antennas to produce clean and pure GNSS radio frequency data. The deep XF filter technology will be applied to all of Tallysman’s product lines.
