Johnson's Techworld

UPS or uninterruptible power supply is commonly used for desktop computers. Laptop computers have their own built-in battery so that a UPS is not needed. You can use

‘Shack’ is the pet name by which radio amateurs, popularly known as ham radio operators, call their radio room. Equipment available in the shack may vary widely among

Yesterday night there was a near overhead pass of AO-123, of about 88 degrees in my region. Some of my friends had confirmed that they will be listening

Special Event Station 8B80JB heard very loud on 20m today evening!

It is a very simple and effective antenna for LEO satellite operations with a full duplex radio. There is no need of a diplexer as there is only