diff --git a/ADSB_Encoder.py b/ADSB_Encoder.py
index 67d1a96..6fc7096 100755
--- a/ADSB_Encoder.py
+++ b/ADSB_Encoder.py
@@ -1,14 +1,12 @@
 #!/usr/bin/env python3
 # -*- coding: UTF-8 -*-
 
-from HackRF import HackRF
-from PPM import PPM
 from ModeS import ModeS
 from getopt import getopt, GetoptError
 import os,csv,sys
+
 import numpy as np
 import binascii
-
 import socket               # 导入 socket 模块
 
 
@@ -72,7 +70,7 @@ class ADSB_Encoder:
 			s.connect((HOST, PORT))
 			
 			s.sendall(str.encode(ma))
-			s.sendall(str.encode(mb))
+			#s.sendall(str.encode(mb))
 			s.sendall(str.encode(mc))
 			s.sendall(str.encode(md))
 			
@@ -84,25 +82,6 @@ class ADSB_Encoder:
 			#df17_array_callsign = ppm.frame_1090es_ppm_modulate(df17_callsign, df17_callsign)
 
 
-			#hackrf = HackRF()
-			#Position
-			#samples_array = hackrf.hackrf_raw_IQ_format(df17_array_position)
-			#samples = samples+samples_array
-			#gap_array = ppm.addGap(self.intermessagegap)
-			#samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
-			#samples = samples+samples_array
-			#Velocity
-			#samples_array = hackrf.hackrf_raw_IQ_format(df17_array_velocity)
-			#samples = samples+samples_array
-			#gap_array = ppm.addGap(self.intermessagegap)
-			#samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
-			#samples = samples+samples_array
-			#Callsign
-			#samples_array = hackrf.hackrf_raw_IQ_format(df17_array_callsign)
-			#samples = samples+samples_array
-			#gap_array = ppm.addGap(self.intermessagegap)
-			#samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
-			#samples = samples+samples_array
 		return samples
 
 	def writeOutputFile(self, data):
@@ -143,7 +122,7 @@ def usage(msg=False):
 
 def main():
 	alt,lat,lon,capability,imgap,nicsup,rp,gnd,sstat,tc,icao,callsign,time,filename,speed,vspeed,heading = \
-		27000,28.81001,113.2,5,99564,0,1,False,0,11,'0x75008F','pynny',0,'Samples_256K.iq8s',300,0,0
+		27000,28.81001,113.21,5,99564,0,1,False,0,11,'0x75008F','pynny',0,'Samples_256K.iq8s',300,0,0
 	try:
 		(opts, args) = getopt(sys.argv[1:], 'hi:a:s:v:b:c:t:r:o:', \
 			['help','icao=','lat=','long=','altitude=','speed=','vspeed=','bearing=','callsign=',
@@ -180,7 +159,7 @@ def main():
 	print(', '.join("%s: %s" % item for item in attrs.items()))
 
 	data = encoder.encode()
-	#encoder.writeOutputFile(data)
+
 
 if __name__ == "__main__":
 	main()