You can not run the scope app without passing parameters.
Please see this wiki article:
SignalScopePage – OP25
http://op25.osmocom.org/trac/wiki.png/wiki/SignalScopePage
http://op25.osmocom.org/trac/wiki.png/wiki/SignalScopePage
SignalScopePage – OP25
http://op25.osmocom.org/trac/wiki.png/wiki/SignalScopePage Signal
Scope Installation Before running the scope app, check that the following standard
pre-requisite packages are also installed: GNU Radio The op25 blocks...
View on
op25.osmocom.org http://op25.osmocom.org/trac/wiki.png/wiki/SignalScopePage
Preview by Yahoo