Chris from our Development Team gives an overview of Over-The-Horizon (OTH) High Frequency (HF) Analysis in Systems Tool Kit (STK) that is new in version 12.1. This feature can be used for both communications modeling as well as radar modeling. This uses the VOACAP model for skywave propagation losses.
Ground Plane Antennas “Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and l... Read more
Full 1500 watts SSB/CW…Digital & Analog SWR/WattMeter . . . All features of MFJ IntelliTuners– Ultra-fast, Safe Automatic Tuning . . . Wide... Read more
“Here I want to show you how to use the Magnetic Loop Antenna. I have enjoyed the walk during this beautiful spring day. This day has been windy... Read more
Donald de Riggs, J88CD, on the Caribbean island of St. Vincent, says that on April 13, the 42nd anniversary of the 1979 eruption of the La Soufriere v... Read more
The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The... Read more