> OOPS!
>
> I have made a glitch somewhere in my language...
> The coil in question is about 8 mm long with its 10 loops and 3 mm
> diameter, so the space between adjacent loops is very narrow...
> The objective is to get the magnetic field lines to go through the "hole"
> as in a solenoid. Of course, the efficiency of such an antenna is limited,
> but if you have several milliwatts and only want to cover some meters, then
> it will be OK.
>
> Sorry 'bout the glitch.
>
> Jochen DH6FA

This antenna is for 433Mhz 1/4 wave ???