polar plot..gives a straight line

[fella]

hello
i use labview 7.1
i have connected a polar plot vi....done all the connection as per the example vi
but i dont get the plot

i plotted from -180 to 180
i dont get the plot properly..

my magnitude values varies from -39 to -40

can any one help me..

[altenbach]

Please attach your code so we can see where the problem is. Thanks! 🙂