diff --git a/signalgen.py b/signalgen.py
index 6c1a4b3..45d5984 100755
--- a/signalgen.py
+++ b/signalgen.py
@@ -46,7 +46,7 @@ def show_dynamic(
     """
 
 	#downsample the spectra first
-    downFac = np.shape(dynamic_spectra)[0] // 64000
+    downFac = np.shape(dynamic_spectra)[0] // 8920
     if downFac > 1:
         logging.info(f"Downsampling with factor {downFac}...")
         decSpectra = signal.decimate(dynamic_spectra, downFac, axis=0)