Is there any other place to position XRX than on the glareshield?

XRX must be in plain sight of other aircraft and has been specifically designed and calibrated for use atop the glareshield. Generally speaking, XRX must be used in this location. However, other mounting options such as suction-cup platforms may be used. XRX cannot be used in any area outside of this general area, however, such as on a seat or console, or mounted on the yoke. The directional antenna must be above the metal mass of the instrument panel, firewall and engine block with as clear of a view as possible, and must be oriented in a forward-facing manner (or 45° right when used in conjunction with the 45° screen option). Options are or may soon be available for installing XRX into the panel with significant reconfiguration of the hardware.