What are the propagation implications of migrating existing microwave systems to higher frequency bands?
• Since some geographic areas have more difficult propagation characteristics (due to ducting, rain and other factors), all of these higher frequency bands offer suitable choices that should result in the same performance capabilities as the 2 GHz band. For example, in certain areas around the Gulf of Mexico, longer hops may need to be reduced or antenna height increased when 6 or 10 GHz is used as an alternative to 2 GHz. However, in most areas, fewer path clearances are required in a higher frequency system, and in good propagation areas existing towers can usually be used.