Tallysman’s new antennas for Iridium STL alerts
Tallysman Wireless has introduced two lightweight and compact active Iridium helix antennas designed to receive STL (Iridium Satellite Time and Location) signals.
The signals are used by STL terminals to provide worldwide position, navigation and time control independent of GPS / GNSS via an encrypted satellite broadcast signal that is strong and secure and can also be received indoors.
Because GNSS signals can be disturbed and tampered with (intentionally or accidentally), STL signals are a reliable alternative for extending and authenticating time for applications such as power grids, wireless communications networks, and financial systems, as well as location for private and public infrastructures.
That housed HC610 and embedded HC610E Active Iridium antennas only work in receive mode and allow the installation of Iridium terminals at a distance of several tens of meters from the antenna.
Both antennas are light and compact and have a precisely matched screw element that offers an excellent axial relationship and works without a ground plane. They also have a low-power, low-noise amplifier (LNA) and pre-filter to prevent harmonic interference from high-amplitude signals such as 700 MHz band LTE and other nearby in-band cellular signals.
The housed HC610 Weighs 23 grams, is 33 x 54.2 mm and has a rugged IP67 military-grade plastic housing with an SMA connector mounted on the base and two screw holes for surface mounting.
At 10 grams it is embedded HC610E is 27.5 x 38.7 mm and can be installed in a custom enclosure. It offers an MCX socket mounted on the base. An embedded spiral mounting ring is available as an option, with which the antenna can be attached to a flat surface.
Tallysman also provides support for the installation and integration of embedded helical antennas to enable successful implementation and ensure optimal antenna performance.