Category: Amateur Radio (Ham Radio)

I was a regular CW DX operator a few decades back, out of sheer necessity. The 3 x 807 vacuum tube radio I had homebrewed then was CW/AM

My previous post on multi-band delta loop antenna had a mention of symmetric tuner as the recommendation from one manufacturer. Another previous post on basic types of antenna

Yesterday while I was contacting a friend at about 2500 km from here on 21 MHz, he told me that he was using a 20 m delta loop

I had a 10/6m fan dipole with a GI pipe as mast. As early rains with lightning had occurred in some places in my region, I thought of

Field day is the most popular on the air events among radio amateurs globally. In the Unites States of America and Canada, ARRL Field Day is on the

Couple of days back, I read a post on Twitter mentioning lollipop supercompromized 160 m antenna. My Google search on Lollipop antenna did not bring me to an

RCCB stands for Residual Current Circuit Breaker. Other names for the same device are RCD, Residual Current Device and GFCI, Ground Fault Circuit Interrupter. Earlier device used for

Yesterday I felt lucky to have pinpointed the exact source of two narrow bands of radiofrequency interference noted on 20 meter band as coming from a small SMPS

In an earlier post, I had mentioned that two strong bands of radio frequency interference noted on the waterfall display in my radio was due to my computer

I had a 10 m half-wave dipole antenna mounted in an inverted V configuration. Six meter is often called the Magic Band and I wanted to try out