This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
排除的呼号前缀。是指FT8CN解码消息后，不会把带有指定呼号前缀列入到“呼叫”列表中，为自动程序排除掉对该呼号的呼叫。
呼号前缀可以是多个，用逗号、或空格分隔。
排除的呼号前缀的动作具有最高优先级，高于“关注”、“CQ”、”与我有关“。