Diy Longwire antenna for DX up to 40 MHz or more homemade HD

LONGWIRE ANTENNA DX up to 40 MHz or more homemade BALUN UNUN 9:1 50 OHMS UNBALANCED TO 450 OHMS BALANCED homemade End Fed with a 9:1 unun balun . EXCELLENT RESULTS IN SWL HF ALSO 4:1 AND 1:1 It worked very well also below 3 MHz and medium wave In f