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HI. so i installed both gnuraio and op25 but i havent been able to figure out how to use them. is op25 a block inside gnuradio? what about the wireshark patch, is that another block in gnuradio? if so why cant i find iether of these in the tree on the right side of gnuraio?

please bear with me becuase i am new to ubuntu. thanks in advance.