HF OTH Radar transmissions too numerous to count

The IARU Region 1 Monitoring System newsletter reports in March the ubiquitous Over The Horizon Radars made up about 60% of all interference observations, 'one cannot even count them anymore'

Tuesday, 13th April 2021

Updated Radio Frequency Exposure Rules become effective on May 3

The Amateur Service is no longer categorically excluded from certain aspects of the rules, as amended, and licensees can no longer avoid performing an exposure assessment simply because they are transmitting below a given power level

Madison DX Club presentation on Lightning Protection

Bob, W9EWZ, President of Madison DX Club,says: Please join us and our special guest speaker for the Madison DX Club program for Tuesday, April 13th. All are welcome

Sable Island CY0C DXpedition

Murray, WA4DAN, sent out the following on April 10th: The Sable Island CY0C DXpedition team was informed this week by the Parks Canada-Sable Island manager that our scheduled October 2021 Sable DXpedition would have to be postponed due to the ongoing Covid-19 pandemic

Belgian special prefix

The Belgian Institute for Postal Services and Telecommunications (BIPT) has announced that all Belgian radio amateurs and Belgian radio clubs may replace the normal prefix 'ON' in their call-sign by the special prefix OS during the period between April 18, 2021, to December 12, 2021

MicroHAMS Digital Conference 2021

The MicroHAMS Digital conference 2021 taking place Saturday, April 24, will be streamed to the web

National Shortwave Listeners Club

The inaugural weekly meeting of the newly formed National Shortwave Listeners Club was held on the Zoom platform last Sunday evening and attracted 60 attendees

DXCC Country/Entity Report

According to the Amateur Radio Cluster Network for the week of Sunday, 4th April, through Sunday, 11th April there were 212 countries active

Monday, 12th April 2021

Updated Radio Frequency Exposure Rules Become Effective on May 3

The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The new rules do not change existing RF exposure (RFE) limits but do require that stations in all services, including amateur radio, be evaluated against existing limits, unless they are exempted. For st... [continue]

Latest Tonight @ 8 to air this evening

The Tonight @ 8 spring programme continued on the evening of 12 April 2021 with Alan Wolke, W2AEW giving an introduction to what VNA is, the fundamentals of VNA operation and terminology, and what it’s good for. He goes into the NanoVNA specifically—a bit about the design, calibration, operation and typical use cases—and then discusses [̷... [continue]

Using WSPR data to detect MH370

Richard Godfrey suggests data from the amateur radio WSPR transmissions might provide clues to the location of the missing Malaysian Airlines flight MH370