GLASS ANTENNA FOR VEHICLE AND REAR WINDOW GLASS WITH GLASS ANTENNA FOR VEHICLE

There is provided a glass antenna for a vehicle including a feeding point; and a first antenna element extending from the feeding point approximately in a horizontal direction, wherein, if a wavelength at a center frequency of a received frequency band in air is », a glass wavelength shortening coefficient is k, and a wavelength on the rear window glass is »g =»·k, a conductor length of the first antenna element is less than or equal to (1/6)·» g , and wherein a distance between the first antenna element and a first heater line that is disposed at an outer-most position and that is closest to the first antenna element among a plurality of heater lines is less than or equal to (1/40)·» g .