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This paper presents a reconfigurable dielectric image line leaky wave antenna at W-band. Reconfigurability is achieved by applying bias to anisotropic liquid crystal (LC) filled into the antenna. Instead of separating RF components and DC-bias network by complex or space consuming methods, the bias electrodes are simultaneously used as radiation elements. In order to evaluate this concept, a non-reconfigurable antenna with isolated unit cells is compared to a reconfigurable antenna, which has its unit cells connected by a metallic line. The non-reconfigurable demonstrator shows gain of up to <inline-formula><tex-math notation="LaTeX">$\mathrm{18}$</tex-math></inline-formula> dBi and can scan through broadside from &#x2212;30<inline-formula><tex-math notation="LaTeX">$\mathrm{^{\circ }}$</tex-math></inline-formula> to +10<inline-formula><tex-math notation="LaTeX">$\mathrm{^{\circ }}$</tex-math></inline-formula> in the investigated frequency range from <inline-formula><tex-math notation="LaTeX">$75 \,\mathrm{G}\mathrm{Hz}\,\mathrm{to}\, 102 \,\mathrm{G}\mathrm{Hz}$</tex-math></inline-formula>. This frequency scanning sector can be shifted by <inline-formula><tex-math notation="LaTeX">$10\mathrm{^{\circ }}$</tex-math></inline-formula> when utilizing the reconfigurable LC antenna, while gain of up to <inline-formula><tex-math notation="LaTeX">$15$</tex-math></inline-formula> dBi is maintained. Since the bias electrodes are directly mounted on the image line, less than <inline-formula><tex-math notation="LaTeX">$50 \,\mathrm{V}$</tex-math></inline-formula> is necessary to control the LC. The antenna is comparably easy to fabricate, and only one bias voltage is directly related to a steering angle, which can be advantageous compared to complex phased arrays with multiple LC phase shifters.