diff --git a/bot.py b/bot.py
index 2fefcb7..6de3f07 100644
--- a/bot.py
+++ b/bot.py
@@ -1,15 +1,11 @@
 import os
-import re
-import time
 import discord
 import sound
 import configparser
 from discord.ext import commands
-from subprocess import Popen, PIPE
 from gqrxHandler import GQRXHandler
 
 
-
 # Init class for bot
 class Bot(commands.Bot):
     def __init__(self, **kwargs):
@@ -176,12 +172,10 @@ class Bot(commands.Bot):
                 
         @self.command(name='startsdr', hidden=True)
         async def _startsdr(ctx, member: discord.Member = None):
-            member = member or ctx.author.display_name
             self.start_sdr()
 
         @self.command(name='stopsdr', hidden=True)
         async def _stopsdr(ctx, member: discord.Member = None):
-            member = member or ctx.author.display_name
             self.stop_sdr()
 
     def load_opus(self):
@@ -303,7 +297,7 @@ class Bot(commands.Bot):
                 self.profile_name = profile_name
                 self.freq = config[str(profile_name)]['Frequency']
                 self.mode = config[str(profile_name)]['Mode']
-                self.squelch = int(config[str(profile_name)]['Squelch'])
+                self.squelch = float(config[str(profile_name)]['Squelch'])
 
                 if self.sdr_started:
                     self.start_sdr()