Johnson's Techworld

Doppler Tuning for International Space Station International Space Station has a low earth orbit and unlike the geostationary satellites, needs orbit tracking if you have to either contact

Morse Code Practice Session 8 We have covered up to EISH, TMO, AN, UD, VB, W,G and R,K in Morse Code for Ham Radio Part 7. Now we

What is Special About ICOM IC-705 Ham Radio? Today I just checked Google Trends for Amateur Radio and found that ICOM IC-705 is occupying second position and Parks

What is V Antenna? Every radio amateur who has operated an HF radio will be familiar with the inverted V dipole antenna as it is often the first

Half Wave Dipole Antenna Here is the transcript of the video shown above: Half wave dipole antenna requires two supports, at either ends, one is here, and another

How to Build an Inverted V Dipole Antenna? Here is the transcript of the video shown above: Today we will discuss about the inverted V antenna, which is

What is T-Bias/Bias Tee for Antenna Pre-Amplifier? T-Bias/Bias Tee is also known as DC injector. When you have a remote antenna pre-amplifier to boost weak signal, T-Bias or

Wi-Fi Range Extender in Action Wi-Fi internet router is commonly used in many households for sharing a common high speed internet connection. But often it so happens that

Morse Code Practice Session 7 We have covered up to EISH, TMO, AN, UD, VB and W, G in Morse Code for Ham Radio Part 6. Now we

Morse Key, Keyer and the “Bug” in Amateur Radio! We often hear about Straight Key, Keyer Paddles and the “Bug” during discussions among ardent Morse Code operators in