condor wrote:
I will made a dipole for 10.1 Mhz v inverted, with total lenght 15 mtrs.
What is the appropriate balun ? 1:1 1:2 1:5 or others ? tnx

What kind of feedline are you using? In any case,
a good 1:1 choke-balun is preferred.
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73, Cecil http://www.qsl.net/w5dxp