my files don't convert

[Cristia7]

same file a part can convert with more ping another part can't with less ping

code as follow `from echopype import open_raw import echopype.visualize as epviz import matplotlib.pyplot as plt

ed = open_raw(raw_file="file_name.raw",sonar_model='EK80') epviz.create_echogram(ed,vmax=-80, vmin=-200,channel='WBT 738177-15 ES38-7_ES') plt.show()`

1087

[leewujung]

Closing this as it is a duplicate of #1087.