Simplex Frequency
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About Simplex Frequency

This page presents information regarding simplex frequencies (VHF or UHF) band plans divided by geographical divisions (zones,districts or others). These band plans are based on maps that can be used to relay traffic to the area where it is intended to reach.

In the worse-case scenario, repeaters might collapse where the only way to relay traffic is through simplex. HF (High Frequency) will be effective as long as there is Solar Conditions for propagation and Station Operators. Traffic congestion will increase dramatically in 146.52 MHz reducing the odds to relay.