Diy Longwire antenna for DX up to 40 MHz or more homemade HD
Sergio Tech
147 19.5K
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