Johnson's Techworld

Patch Cable and SWR cum Power Meter in Action! Last week I bought an SWR cum Power Meter, but could not use it because I did not have

Bazooka Antenna for Ham Radio Bazooka Antenna is a Coaxial Dipole Antenna with the main part made of coaxial cable. It was originally designed by the staff at

What is a Rybakov 806 Vertical Portable Ham Radio Antenna? Rybakov 806 is a vertical antenna supported by a telescopic fiberglass fishing rod, which gave it the name

What is DCS or Digital-Coded Squelch in Ham Radio? For the past few days I have been unable to access VU2MJJ VHF repeater most of the time, while

ലോക അമേച്വർ റേഡിയോ ദിനം: ഏപ്രിൽ 18, 2023 ലോക അമേച്വർ റേഡിയോ ദിനം എല്ലാ വർഷവും ഏപ്രിൽ 18 ന് ആഘോഷിക്കുന്നു. ഇന്റർനാഷണൽ അമേച്വർ റേഡിയോ യൂണിയന്റെ (IARU) എല്ലാ പ്രദേശങ്ങളും ഉൾക്കൊള്ളുന്ന ഒരു ആഗോള പരിപാടിയാണിത്.

World Amateur Radio Day: April 18, 2023 World Amateur Radio Day is celebrated every year on April 18. It is a global event covering all regions of the

What are Phased Array Antennas in Ham Radio? Phased array antennas are those in which the radiation pattern of the antenna can be changed without physically moving the

My New HF to UHF SWR and Power Meter My new HF to UHF SWR and Power Meter came by courier today. Frequency range is 1.6 to 525

Radiofrequency Interferences at Home! I have been wondering why my VHF base station shows 4 to 5 segments of signal on almost all frequencies in the evening while

Windom and Carolina Windom Antennas Windom antennas are basically Off-Center-Fed Dipole (OCFD) unlike the half-wave dipole which is center fed. They are broad band antennas to some extent.