Blog

Testing a Test Methodology

Posted by Richard Newstead on 12th Mar 2017

Comparing HF antennas is not a straightforward task. Radio amateurs have used a variety of methods over the decades but few stand much in the way of scrutiny when it comes to examining their validity. … read more
WSPRlite for DXpeditioners

WSPRlite for DXpeditioners

Posted by Richard Newstead on 5th Mar 2017

WSPRlite is a great little tools for DXpeditioners. Few DXpeditions are on all bands 24/7 so WSPRlite is the perfect way to use your antennas to maintain a presence while you are on other bands, sleep … read more

Comparing two small transmitting loops (preliminary test)

Posted by Richard Newstead on 4th Mar 2017

This is a preliminary experiment to compare the performance of two commercial small transmitting loops on 14 MHz. The loops were set up in a suburban garden, 20 metres apart. They were aligned with th … read more

Measuring small differences between antennas

Posted by Richard Newstead on 28th Feb 2017

DXplorer.net opens up a new way to measure antenna performance. 3dB is the smallest change that is generally considered as being audibly detectable on a standard communications circuit and so I wonder … read more

How try a mag loop before you buy a mag loop...

Posted by Richard Newstead on 20th Feb 2017

Small transmitting loop antennas "magnetic loops" have become very popular. There is no doubt that they can provide good performance for their small size. While they are easy to build if you have (or … read more