This calculator is designed to give the vertical length of a quarter-wave ground plane antenna, and the length of each of the four radials for the selected frequency you have entered
Experimental Determination of Ground System Performance for HF Verticals
DIY kits a 70W SSB linear Power Amplifier for YAESU FT-817 KX3 running HF 80m-10m bands
Noise canceling DSP for ham radio good for Icom, Yaeu, Kenwood and any kind of radio
RTL SDR can be for new amateurs the good way to get a taste for SDR without having to spend a small fortune
Use this online calculator to determine the length of a full-wave loop antenna from the frequency. Both metric and English units of measurement are supported. Quarter-wave matching section lengths are also calculated.
Relevance of a proper ground systems on short HF vertical antennas, with an analysis on a vertical antenna for 160 meter band
A modular high power bandpass filter
A homemade band pass filter for the 30 meter band based on the original VE7BPO design
Use this online calculator to determine the length of a dipole antenna from the frequency. Both metric and English units of measurement are supported.
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