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It's a HUGE 40m HB9CV which never fits in my small yard. hihi

Also 40m full-sized wire delta loop is too large to fit in my yard, I suppose.

Maybe the 17m length wire loop antenna with ATU is the choice I can add to my yard. But I wonder if this kind of loop antenna reduces low-band noise or not.

Before winter comes, I'll maintain my 3.5/7/10MHz dipoles for less noise.

// HIRO, JJ1FXF