Category: Amateur Radio (Ham Radio)

Stepper motors move in steps unlike the continous motion of usual motors. With each pulse given to the stepper motor, the shaft rotates at a fixed angle. Stepper

Ionosonde is a radar system directed vertically upwards so that it can observe the density of electrons in the ionosphere as a function of height. The ionosonde system

Almost all of you will be aware of Amateur Radio on International Space station or ARISS in which amateur stations on earth can contact each other through VHF/UHF

I have been having this magnetic mount VHF antenna for over a quarter century. It was given to me by a local ham friend. When I was off

Wonder how many of you would have used this type of mechanical hand drill for your homebrewing? Now every one has either an electrically driven hand drill or

Earlier I had posted about the toy musical keyboard. Now have a look at the brand new musical keyboard! Being only a listener and not a performer of

I have heard of Fox Hunt or Amateur Radio Direction Finding long back. But it was only today that I came across Fox and Hound Mode in a

World Amateur Radio Day greetings to each and every one of you! World Amateur Radio Day is celebrated every year on 18th April. International Amateur Radio Union was

I had posted about Loaded Coil Dipole Antenna earlier, which is a means of electrically shortening the physical length of a dipole antenna for those with space constraints,

With the availability of more and more digital modes and devices in amateur radio, need for USB connectivity to the laptop computer is increasing. You need one USB