QRM Elimination by Antenna Phasing and Noise Cancelling Though the original meaning of QRM was “Are you being interfered with” and QRN was “Are the atmospherics strong”, in
What is a Common Mode Choke in Amateur Radio? Coaxial cable is often used as the feedline between an Amateur Radio and the antenna. Unlike an open line
What are Long Path and Short Path Propagations in Ham Radio? Long path and short path are terminologies used during long distance radio communication by Amateur Radio operators.
Folded Dipole Antenna Folded dipole antennas were a common site on rooftops as part of Yagi-Uda television antennas in the past. Now with cable television becoming more popular,
What is Grey Line Propagation in Amateur Radio? Wiktionary definition of grey line is a transition line coinciding with twilight zone where a change in the propagation of
Why is 6 Meter Called the Magic Band? Six meter band is the lowest among the VHF bands allocated for Ham Radio. According to National Frequency Allocation Plan
What is a Slinky Dipole Antenna? Many of you would have seen children play with Slinky toys which are spring like as illustrated in the picture. Slinky Dipole
Homebrewing of My First VHF Seven Element Yagi Continues Initial steps of Homebrewing of My First VHF Seven Element Yagi was discussed earlier. It is a KA0NAN/VU3NSH design
