Solar Powered Trains

December 14, 2017

Introduction A recent study by Imperial College championed by climate action group 10:10 has concluded that directly connected solar PV could provide a large quantity of the power used by electric trains in Southern England. Image 1: Train at Headcorn, on route to London Victoria. Efficient...… Read more



SGHAT - US Solar Panel Glare Tool no longer available

November 21, 2017

SGHAT (Solar Glare Hazard Analysis Tool) is no longer freely available – as of November 2017. SGHAT is used for predicting solar panel glare, also referred to as PV glare, for inclusion within aeronautical studies. SGHAT, developed by US company SANDIA Laboratories, is still available to US...… Read more



Google Search investigation: what is the likelihood of significant solar panel glare occurring?

November 14, 2017

Overview Solar glint and glare assessments are now a common requirement when proposing the development of a solar photovoltaic (PV) scheme, but how often is solar panel glare considered significant and reported? We conducted a google search investigation using common search terms to identify...… Read more



Ensuring Customer Satisfaction Through Six Key Processes

November 9, 2017

Overview At Pager Power, customer service and satisfaction are areas where we strive to exceed client expectations. Our job is to understand and evaluate a particular problem and ensure that the best results are achieved. This may be through consultation strategy or utilising particular technical...… Read more



Five videos that highlight the problem of glint and glare

November 9, 2017

Glint and glare is often overlooked, misunderstood or underestimated when projects are in the design stage. Here are five videos that help illustrate the problem of glint and glare, and why it should be an important consideration for building developers and planners. Solar farm glint and...… Read more



How it’s done – Assessing Wind Farm Radar Interference – France (military)

November 2, 2017

Introduction Radar interference due to wind farms is managed differently in various countries. A previous article gave an overview of the approaches that are the most common. This article presents the criteria that are generally applied in France for Primary Surveillance Radar...… Read more



Wind Farm Radar Interference in France

October 24, 2017

It is often difficult to get permission to build wind farms due to the effects they are predicted to have on radar installations. This problem is growing dramatically in France having parallels with the situation in the UK around ten years ago. What is happening in France now? Government policy is...… Read more



Obstacle Limitation Surfaces Series: an overview of guidance

October 24, 2017

Overview The following article series presents an overview of the guidance surrounding Obstacle Limitation Surfaces (OLS) for aerodromes around the world. Key similarities and differences from each guidance document are highlighted. The article will be updated over time with new summaries of OLS...… Read more



Radar Interference

October 18, 2017

Recently a 70 mile wide swarm of butterflies was detected by meteorological radar in Colorado USA. There are many natural and man-made sources of radar interference and a number of physical interference effects. Interference Terms Often radar detect things that they are not designed to detect....… Read more



How it’s done – Assessing Wind Farm Radar Interference

October 10, 2017

Wind farms and radar Wind farm developments around the world face objections from radar operators. This is because large wind turbines can interact with radar signals, causing interference. Figure 1: Radar installation. Types of interference A comprehensive discussion of wind farm radar...… Read more



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