Special Article

The world of 5.6 GHz enthusiasts.

The current state of the 5.6 GHz band and how to enjoy it.

Recently, an announcement was made on Icom's website about a project to develop amateur radio equipment for the 2.4 GHz and 5.6 GHz bands.

Report from Thailand

E20AX/p IOTA DXpedition to Chang Island (AS-125)

Chang Island, located in the Gulf of Thailand, is the second largest island in the country and belongs to the IOTA’s “North East Group”.

From Steve’s Workbench

My shack was a jungle of cables!
The solution was a remote antenna switching system.

Antenna switches and relays are a popular accessory, with many variations are available both “plug and play” and for the homebrew builder.

Japan Castles On The Air (JACOTA)

Castle 11 Amagasaki Castle....Covid steps in and disrupts operation

I visited Amagasaki castle late last year to take pics and plan my JACOTA operation there.

Short Break

Making a straight type AM radio using a TA7642 IC

I will make an AM radio with a useful IC for medium wave listening, which I will introduce here.

Technical Trivia by Dr. FB

About the inductance of coils

I did a simple experiment on the inductors of an LC resonant circuit that is installed in an RF amplifier section when I built a medium wave radio, so I will introduce it.