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Shortwave antennas and their properties - a practical comparison of the multiband vertical AV-620 from HyGain with the BABY-LOOP and the 4-element Yagi MOSLEY MP-33-NW. Carine, HB9FZC and René, HB9NBG explain the differences, as well as the advantages and disadvantages of the various antenna shapes. You can find everything about their range here: https://www.lutz-electronics.ch/