On a high frequency transceiver, such as an SSB, what’s the difference between simplex and duplex?
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Congratulations to Stuart Menzies, Boulder, CO who correctly answered last week’s question. “In an approaching cold front, line squall or tropical trade wind squall, if the wind hits you first, the change in weather will be mild and will pass quickly. But, if the rain hits you first, you will know that the squall has a lot of wind in it and you are going to face some serious weather — time to reef and maybe alter course.”