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Electrical Hardening : Listening to the whisper while everyone else is...

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Modern naval platforms are some of the harshest electromagnetic environments known to the EW community.  Radars, high-power communications, signal interception and direction-finding systems are...

Direction Finding Antennas and Accuracy Part 3: The Art of Designing DF...

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In the previous two blog posts we discussed some of the effects that could influence the sensitivity of a DF antenna system.  These were...

Alaris could delist from the JSE as part of R500 million...

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Radio frequency technology specialist Alaris has received a R535 million buyout bid, which could see it delisted from the Johannesburg Stock Exchange (JSE). In a...

Direction Finding Antennas and Accuracy: Part 2

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In the previous blog post we considered some of the ways in which we can express the performance of an DF antenna, and we...

Prioritising quality is crucial to saving lives and protecting assets

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Gisela Heyman is the Managing Director of Alaris Antennas and has been with the company for 6 years.  During her first year as MD...

Direction Finding Antennas and Accuracy – Part 1: Accuracy and Sensitivity

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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...

Stop Rhino Poaching

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NGO Stop Rhino Poaching was established in 2010 as a response to the sudden and steep escalation in rhino poaching across South Africa.  Since...

An Introduction to Radio Direction Finding

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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) evolved for much...

High-Gain Omni Antennas in Mobile Applications 

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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...

Alaris Antennas: Spacing of multiple LPDAs on a mast 

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One of the questions we often get asked at Alaris Antennas, is the question of spacing between multiple antennas on the same mast. Often, this...

Alaris Antennas Foldable High-Power LPDA Antennas

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Alaris Antennas has a new range of Foldable High-Power Log Periodic Dipole Antennas (LPDA)s which cover a wide range of frequency bands. The antennas...

Alaris Holdings Limited Financial Results for the year ended 30 June...

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Alaris Holdings Limited released their financial year end results at an event at the JSE on Thursday, 26 September 2019. The Group performed exceptionally well...

Naval Monitoring Products (OMNI-A0205 & SYST-A0005)

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Alaris Antennas manufactures Naval rated monitoring antennas. There are two approaches: Omni directional (OMNI-A0205) vs rotating high gain directional antennas (SYST-A0005). OMNI-A0205: This vertically polarised omni-directional...

A New Era for Alaris Antennas

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It is with great excitement that we share the news that Gisela Heyman, the current Group Chief Financial Officer, has been appointed as Managing...

Marine DF & Monitoring System (DF-A0037 & OMNI-A0205)

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The DF-A0037 and the OMNI-A0205 can be combined to create a Marine based rugged DF and Monitoring system. DF-A0037: The DF-A0037 is a wideband DF antenna...

Alaris Antennas presents spiral antennas

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The antenna is designed to use two conductive spiralled arms, extending from the centre outwards. Alaris Antennas designs and manufactures a range of spiral antennas,...

Alaris receives new environmental stress screening equipment

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Centurion-based Alaris Antennas recently took delivery of new environmental stress screening (ESS) equipment which will ensure that products leaving its factory are reliable and...

Alaris’ new ESS equipment up and running

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Alaris Antennas has recently acquired and installed specialised ESS equipment, which will allow the company to conduct a number of various environmental tests in-house. The...

Alaris’ new ESS equipment up and running

Alaris Antennas has acquired and installed specialised environmental stress screening equipment, which allows the company to conduct environmental tests in-house. Alaris Antennas has recently...

Alaris poised for expansion and growth

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Alaris Antennas is focussing on its core business of radio frequency products, including custom antennas and equipment, as it aims to expand...

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