>>>>> In <l0fNf.14004$A83.368145@twister1.libero.it> 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

The impedance of your antenna will probably be about 50-ohm
because of bending into v.  So, I think the 1:1 balun will fit
to it if you use the 50-ohm cable.
-- 
jr1crd