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

The impedance of a half-wavelength dipole is 73 Ohms.
If you make it a V-shape, then the impedance gets lower as 50 Ohms
for 90degrees shape.
So a 1:1 balun is the best for 50-Ohm co-axial feeding cable.

Tom/jj3fbs