<Dl> <Dd> I (z) = I 0 e i ω t cos ⁡ k z, (\ displaystyle I (z) = I_ (0) e ^ (i \ omega t) \ cos kz,) </Dd> </Dl> <Dd> I (z) = I 0 e i ω t cos ⁡ k z, (\ displaystyle I (z) = I_ (0) e ^ (i \ omega t) \ cos kz,) </Dd> <P> where k = 2π / λ and z runs from − L / 2 to L / 2 . </P> <P> In the far field, this produces a radiation pattern whose electric field is given by </P>

What is the length of a half-wave dipole antenna designed to broadcast fm radio waves at 100 mhz