The DELTA-40HP 1kW is a full wave loop designed to operate on 40m (7MHz), 15m (21MHz) and 10m (28MHz) without an ATU and other bands with an ATU. HF Vertical Antennas. FULL WAVE DELTA LOOP. If vertical, or near verticalwill provide low angle radiation which is good for long range DX in the direction of the loop (looking straight on at the front) and near DX off the sides.
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