diff --git a/scanner.py b/scanner.py
index a01eb32..8e17457 100644
--- a/scanner.py
+++ b/scanner.py
@@ -17,6 +17,8 @@ state = {
     "freq": 10000.0,
     "freq_step_multiply": 0.85,
     "stop_freq": 0.1,
+    "interference_freq":      0.052,
+    "interference_bandwidth": 0.008,
     "initializing": 1,
     "noise_scan": False
 }
@@ -247,18 +249,15 @@ class TelnetReader:
                         freq_multiplier = state["freq_step_multiply"] ** 2  # skip 1/2 steps to speed up
                     else:
                         freq_multiplier = state["freq_step_multiply"] ** 4  # skip 3/4 steps to speed up
-                if state["noise_scan"]==True:
-                    state["freq"] *= freq_multiplier ** 2           # noise scans step twice as quickly
-                else:
-                    state["freq"] *= freq_multiplier
+                state["freq"] *= freq_multiplier
                 if (state["freq"]>40) and (state["freq"]<660) and ((state["freq"]%50<2.5) or (-state["freq"]%50<2.5)):
                     state["freq"] *= freq_multiplier              # if near a 50Hz harmonic, skip to the next frequency
-                while (state["freq"]<0.6) and ((state["freq"]%0.053<0.008) or (-state["freq"]%0.053<0.008)):
+                while (state["freq"]<0.6) and ((state["freq"]%state["interference_freq"]<state["interference_bandwidth"]) or (-state["freq"]<state["interference_freq"]<state["interference_bandwidth"])):
                     state["freq"] *= freq_multiplier              # if near a 0.052Hz harmonic, skip to the next frequency
             if state["freq"] <= state["stop_freq"]:
                 print("Reached stop frequency")
             else:
-                if state["freq"] > 1:
+                if state["freq"] > 0.01:
                     response = f"\rf{state["freq"]:.1f}\r"        # new freq
                 else:
                     response = f"\rf{state["freq"]:.3f}\r"  # new freq
@@ -300,6 +299,8 @@ if __name__ == "__main__":
             state["freq_step_multiply"]      = 0.95;
             state["stop_freq"]               = 0.1;
             state["initializing"]            = 1;
+            state["interference_freq"]       = 0.052;
+            state["interference_bandwidth"]  = 0.008
             reader.read_loop()
     finally:
         reader.disconnect()