Antennas

October 28, 2008

GPS/Galileo/GLONASS timing antenna

PCTEL offers the GPSL1GL-TMG-40N timing reference antenna specifically designed for deployments in congested cell-site applications and able to receive signals from GPS, Galileo, and GLONASS satellites in the 1575.42 ± 10 MHz and 1602-1615 MHz frequency bands. The low-noise, high-gain amplifier is well suited to address attenuation issues associated with applications requiring longer cable runs. The proprietary quadrifiliar helix design, coupled with multistage filtering improves out-of-band rejection and lower elevation pattern performance.

Read More >

By Glen Gibbons
October 21, 2008

L-Band + GPS Quaddriflar Antenna

Wi-Sys Communications offers its WS1551QF L-band + GPS (L1) Quadrifilar Helical Antenna. An active right-hand circularly polarized, quadrifilar helical antenna, the WS1551QF provides an omni-directional, cardoid radiation pattern, with peak gain optimized at elevation angles between 0° and 40°. The wideband antenna covers both the L-band downlink frequency band (1525 to 1560 MHz) and the GPS (L1) frequency band (1574 to 1576 MHz).

Read More >

By Glen Gibbons
September 24, 2008

NovAtel’s Multi-Constellation Choke Ring Antenna

NovAtel introduces its GNSS-750 choke ring antenna with a 3D design that enables low-level elevation tracking and the ability to track satellites as soon as they are visible, down to the horizon and even below. It incorporates an ultra-wideband Dorne-Margolin element and has optimized antenna gain so it can be used with most manufacturers’ geodetic receivers. The GNSS-750 tracks all four GNSS constellations (GPS, GLONASS, Galileo, Compass) and their signals, including SBAS and L-Band signals for differential services. The unit measures 380 mm x 200 millimeters and weighs 7.6 kilograms.

Read More >

By Glen Gibbons