IC-7300, FT-991A, FTdx10
At-a-Glance Comparison Feature / Capability Icom IC-7300 Yaesu FT-991A Yaesu FTDX-10 Bands HF + 6 m HF + 6 m + 2 m + 70 cm HF +…
HF
HF
Icom IC‑7300: A Modern Classic in HF Radio
The Icom IC-7300 stands as a defining radio in the amateur radio world—a benchmark rig that blends cutting-edge technology with accessible operation. Since its introduction in 2015, it…
Harmonic Relationship Table
How to read this table and Fundamental (MHz) 2nd Harmonic (MHz) 2nd Overlaps 3rd Harmonic (MHz) 3rd Overlaps 4th Harmonic (MHz) 4th Overlaps 160 m 1.800–2.000 3.600–4.000 80…
Understanding Harmonics on the HF Amateur Radio Bands
Harmonics are an unavoidable byproduct of RF generation. Every HF transmitter—no matter how modern or well-filtered—produces harmonic energy at integer multiples of its fundamental frequency. On the HF…