This weekend, the Marconi CW contest runs for 24 hours ending at 1400UTC this Sunday, the 3rd. It is CW only on the 144MHz band and the exchange is signal report, serial number and locator. The Midlands Inter-Club GMT Activity contest continues this Sunday, the 3rd, and on subsequent Sundays. It runs between 10am and […]
Last week offered a mixed bag of HF propagation. The weekend saw the aftermath of a geomagnetic storm, triggered by matter from a solar coronal hole. This pushed the Kp index up to six and sparked auroras at the North and South poles. The disturbance eventually settled by Wednesday, after a few days of the […]
WRC-19 takes decisions based on consensus rather than votes. Day 4, Thursday October 31st provided a few examples of the extremes, of when views converge, or not. Wireless Power for electric vehicles (WPT-EV) managed to reach consensus on one of its core regulatory aspects. Subject to finalisation, ‘No Change’ will be made to the ITU […]
Amateur radio interests at WRC-19 span an amazing range of frequencies and applications from kHz to GHz. Day-3 saw the start of the Wireless Power Transmission topic. Agenda Item 9.1.6, specifically considers its high power use for charging electric vehicles, termed WPT-EV. Whilst it operates at relatively low frequencies such as 19-21 or 79-90 kHz, […]
To read this edition, tap or click cover image Contents 3 VnArduino An Arduino VNA: vector network analyzer 11 The pros and cons of multiband inverted-V antennas Investigates the radiation performance of multiband antennas when deployed in horizontal or inverted-V configurations 16 A single frequency repeater Simultaneous FM Tx + Rx at VHF, as first […]
Following Monday’s opening, the second day saw most committees and sub-working groups stood up and many agenda items having their documents introduced. First thing of particular interest to amateur radio, was the release of two documents:- The official information document on IARU WRC-19 Positions across various current agenda items and views on future proposals that […]
Monday morning October 28, saw WRC-19 start in the Sharm el-Sheikh International Conference Centre (SHICC) with an opening ceremony that ITU and the Egyptian hosts could be rightly proud of. Most of the 3500 registered delegates had managed to get hold of a prized secondary pass for the enhanced security precautions and were comfortably seated […]
After four years of preparation, studies and proposals, the start of the 2019 World Radiocommunication Conference is at hand. Opening on Monday Oct-28, and running for four weeks. The recent pattern of WRCs has been every three to four years (WRC-12, WRC-15 and now WRC-19). Most recent events have been held at ITU HQ in […]
In the UK, the clocks go back one hour at 2am on 27 October 2019. This means that the UK is now on UTC timing, sometimes also still referred to as GMT.
The World Radiocommunication Conference 2019 (WRC-19) is due to open in Egypt on the 28 October 2019. The meeting, which lasts four weeks, will be attended by 3,000 delegates from most of the countries around the world, and will discuss and agree changes to the ITU Radio Regulations. The IARU and its member societies will […]
