Blog

Making a Trap Dipole - an update

Posted by Richard Newstead on 11th Feb 2016

A while ago I wrote an article on making a trap dipole. Since then I have made lots more - and in doing so have gained some greater insights into how they work. The original article is here. My a … read more
A shortened antenna for 40 and 80 metres

A shortened antenna for 40 and 80 metres

Posted by Richard Newstead on 28th Aug 2015

It can be tricky to set up a full-sized 80 metre dipole on a hilltop with a low mast. This design is for a shortened 80 metre antenna that adds operation on 40 metres too. It was designed with the Wor … read more
What is the best battery for portable operating?

What is the best battery for portable operating?

Posted by Richard Newstead on 22nd Aug 2015

A common question for newcomers to portable amateur radio operating is "which battery is best?". There is no single answer to this question though and the best choice will depend on what you want to d … read more

Test Equipment for the Shack

Posted by Richard Newstead on 12th Mar 2015

Peak Electronics make a range of very clever hand held test equipment. We recently bought their LCR45 automatic inductance, capacitance and resistance meter for use in our factory. I was so impress … read more

Measuring co-ax cable loss

Posted by Richard G3CWI on 23rd Dec 2014

A friend contacted me yesterday. He was having some problems with his portable 2m set-up and wanted to get the feeder assembly checked. He wondered if the cable had degraded over many wet hilltop c … read more