Jenny Heyes, Author at Alaris USA

02 Mar 21

Direction Finding Antennas and Accuracy

Direction Finding Antennas and Accuracy Direction Finding By Johan Fuhri, Product Owner Part 1: Accuracy and Sensitivity It is sometimes said that: “If you can’t convince them, confuse them!”. Nowhere is this more apparent than the minefield which is antenna datasheets and brochures. Direction finding antennas are meant to be instrumental in accurately determining the […]

19 Jan 21

Call to Action: Stop Rhino Poaching

Call to Action: Stop Rhino Poaching NGO Stop Rhino Poaching was established in 2010 as a response to the sudden and steep escalation in rhino poaching across South Africa. Since the start of the poaching epidemic in 2008 South Africa has lost over 8 600 rhinos – a figure that, despite so much effort, increases […]

10 Dec 20

The DFS-A0245 proves effective for on-the-move and on-the-halt

The DFS-A0245 proves effective for on-the-move and on-the-halt DF Antennas Mobile and manpack DF antennas have a highly respected place in our DF portfolio. Used in military applications, these antennas are versatile in how they are deployed. The DFS-A0245 is a wideband DF antenna intended for on-the-move and on-the- halt direction finding from 1 MHz […]

03 Nov 20

An Introduction to Radio Direction Finding

An Introduction to Radio Direction Finding Radio Direction Finding By Eugene Botha and Kalinka Faul Humans do audio direction finding to a remarkable precision of less than two degrees. Shortly after the development of radio transmitters and receivers, radio direction finding (RDF or just DF) evolved for much the same reasons as human audio direction […]

14 Oct 20

Agility in the Field

Agility in the Field – Foldable LPDA Antennas Countering evolving threats on the battlefield requires agile monitoring, high power transmit and communications. Alaris Antennas supports these requirements with a range of wideband foldable LPDA antennas. LPDA-A0150 Deployed LPDA-A0150 Stored These antennas have foldable elements which makes them easy to stow and deploy. There are no […]

05 Aug 20

High Frequency Wideband Dipole Antennas (RWD125 / 500 / 1000 Range)

High Frequency Wideband Dipole Antennas (RWD125 / 500 / 1000 Range) RA01-116-01 (RWD125) The RWD125 is one of our tough and rugged, yet highly efficient 125 W CW HF wideband dipole antennas, covering the frequency range 2.5 to 30 MHz, ideal for base station and static mobile applications. Constructed from stainless steel, aluminium and UV […]

05 Aug 20

mWAVE’s 1.100-1.700 GHz, Dual Circular Prime Focus Feed is an Engineered Solution to Complex Problem

mWAVE’s 1.100-1.700 GHz, Dual Circular Prime Focus Feed is an Engineered Solution to Complex Problem mWAVE’s Dual Circular Prime Focus Feed solution model FPP1CD-14-N-C is a custom engineered solution to meet a client’s specific need that did not exist in the marketplace until now. mWAVE’s custom engineering team created this dual circular feed that is […]

05 Aug 20

Alaris SPCA Charity Drive: They Need our Help Too

Alaris SPCA Charity Drive: They Need our Help Too The SPCA is an essential service to animal welfare. The COVID pandemic saw many welfare organisations struggle to keep those entrusted to their care at the same or similar level of comfort they had prior to the lockdown. The focus on human welfare over the last […]

31 Jul 20

High Gain Omni Antennas in Mobile Applications

High Gain Omni Antennas in Mobile Applications High Gain Omni Antennas By Johan Fuhri Antenna Principles High Gain Omni directional antennas are used in situations where the direction of the receiving antenna is not static or known. A typical situation is where antennas are mounted on a mobile platform like a vehicle or vessel. In […]

01 Jul 20

Magnetic Mount Antennas and Accessories

Magnetic Mount Antennas and Accessories Magnetic Mount VHF/UHF/SHF Antennas COJOT’s omnidirectional magnetic mount antennas are the preferred choice for applications and circumstances where permanent installations are not possible and a rapid deployment and removal is preferred or even required. We provide a wide range of antennas covering VHF, UHF, GSM, LTE, 5G, WiFi and other […]