Johnson's Techworld

The Sacrifice Rock DXpedition team has announced the dates on their website. It is from 7th to 10th February 2025. Frequency plan is also online, with operations from

In the initial part of this series, I had mentioned that IC CXA1619BS with 30 pins is being used in this Do It Yourself FM Radio Kit. Though

My multi-band fan dipole antenna with elements for 40, 20 and 10m had developed ‘HI SWR’ after adding loading coils to 40m elements to work on 80m. It

What happened when I tried to fix the FM board inside the speaker box?

17m band is one of the WARC bands. 4m of wire on either side will be needed for a 17m dipole antenna. 17m band is from 18.068–18.168 MHz.

After struggling a lot with tuning my loaded coil dipole antennas, I decided to buy a NanoVNA, which is an affordable handheld antenna analyzer, widely used by radio

Those of you who have been following my posts would know that I have been trying to come up on 80m for the past few weeks. Initially I

Started working on the FM Radio Kit once again. Now I am soldering the central pin of the 10K volume control potentiometer. Second wire to the potentiometer being

Few days back VU3WEW had mentioned about a planned IOTA DXpedition to Sacrifice Rock which is along the coast of my own district. In fact I had a

Thought of conducting propagation test on six HF bands for which I have provision. For 40, 20, 15 and 10m bands I use a three band fan dipole