Post by
Q45tech »
https://forums.nicoclub.com/q45tech-u112.html
Wed Jan 02, 2008 2:19 pm
The FM system uses two antennae to cover vetical and horizontal polarization ..................many FM stations transmit both polarities however when a signal bounces of a building it inverts polarity.The Bose system listens for the stronger signal whether from glass or rod.
The rear glass is extremely specialized a dealer only item due to complexity and uv coating..........more than $1000.............never seen one broken in 17 years except by bullets