no noe responds


I thought my ThumbDV was up and running. Did what most good operators do, LISTEN. Today I tried making a test call and I had no replies. I have been trying to call all day and no one responds even when I hear them. When I click on transmit it looks like it is working and I can see the xmit led move up and down with my voice but again no replies. WHat did I miss or do wrong now??

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