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Flowgraph error in GNU Radio Using FMComms3

Question asked by Rell320 on Jan 31, 2018
Latest reply on Feb 7, 2018 by travisfcollins

I'm currently running a basic flow graph


Sig Source -> Complex to IShort-> FMComms2/3/4 Sink

Samp Rage = 3M                     Attenuation Tx1 = 0

LO Freq=      2.46Ghz             Attenuation Tx2 = 0

RF Port Select = A

RF BW = 20M

When I execute  the flow graph I get

                            " Fontconfig warning: ignoring C.UTF-8" not valid language tag

                              Using Volk machine: neon hardfp"

>>>>> Done (return code -9


The flow graph doesn't execute.

Any Ideas on a fix??