diff --git a/TEST_TX.py b/TEST_TX.py
deleted file mode 100644
index 8212b72e..00000000
--- a/TEST_TX.py
+++ /dev/null
@@ -1,111 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-"""
-Created on Sun Dec 13 13:45:58 2020
-
-@author: DJ2LS
-"""
-
-import ctypes
-from ctypes import *
-import pathlib
-
-import binascii #required for string.to_bytes() function
-#import crcengine # required for CRC checksum
-import sys
-
-#sys.stdout.reconfigure(encoding='utf-8')
-
-
-
-def main():
-    
-    modem = FreeDV() #Load FreeDV Class as "modem"
-    
-  
-    data = b'TEST' #byte string which will be send
-    #data = bytes(62) #byte string with XX of zeros 
-    
-    modulated_data = modem.Modulate(data) #Call Modulate function, which returns modulated data
-    #print(modulated_data)
-
-
-###################### try: / except necessary beacuse of error 32 - BrokenPipeError while piping data
-    ##try:
-        #print(bytes(8)) #additional zero bytes before modulated data
-
-        #sys.stdout.buffer.write(modulated_data)    # the normal way of piping data
-        #sys.stdout.flush() # flushing data
-        
-        #print(modulated_data, flush=True) #print modulated data with print function
-
-    ##except (BrokenPipeError, IOError):
-        ##print ('TEST BrokenPipeError caught', file = sys.stderr)
-    ##sys.stderr.close()
-
-
-
-class FreeDV():
-    
-    def __init__(self):
-
-        libname = pathlib.Path().absolute() / "libcodec2.so"
-        self.c_lib = ctypes.CDLL(libname) # Load FreeDV shared libary
-        
-        self.freedv = self.c_lib.freedv_open(12) #Set FreeDV waveform ( 10,11,12 --> DATA1-3 )
-        
-        self.bytes_per_frame = int(self.c_lib.freedv_get_bits_per_modem_frame(self.freedv)/8)  #get bytes per frame from selected waveform
-        self.payload_per_frame = self.bytes_per_frame -2 #get frame payload because of 2byte CRC16 checksum
-        
-        #print(self.c_lib.freedv_get_n_nom_modem_samples(self.freedv))   
-
-
-    # MODULATION-OUT OBJECT   
-    def ModulationOut(self):
-        #return (c_short * self.c_lib.freedv_get_n_nom_modem_samples(self.freedv))  ## all other modes
-        #return (c_ubyte * self.c_lib.freedv_get_n_nom_modem_samples(self.freedv))   ## DATA modes ## Fails with n_nom_modem_samples(880) for some reason
-        return (c_ubyte * 1024)   ## DATA modes another test
-    # Pointer for changing buffer data type 
-    def FrameBytes(self):
-        return (ctypes.c_ubyte * self.bytes_per_frame)   
-
-    # Modulate function which returns modulated data
-    def Modulate(self,data_out):
-        
-     ##   #self.freedv_rawdatapreambletx(self.freedv, mod_out) # SEND PREAMBLE
-
-    
-    ##########################################
-    
-        mod_out = self.ModulationOut()() # new modulation object and get pointer to it
-    
-        data_list = [data_out[i:i+self.payload_per_frame] for i in range(0, len(data_out), self.payload_per_frame)] # split incomming bytes to size of 30bytes, create a list and loop through it  
-        data_list_length = len(data_list)
-        for i in range(data_list_length): # LOOP THROUGH DATA LIST
-            #buffer = bytearray(self.bytes_per_frame) # use this if no CRC16 checksum is required
-            buffer = bytearray(self.payload_per_frame) # use this if CRC16 checksum is required ( DATA1-3)
-            buffer[:len(data_list[i])] = data_list[i] # set buffersize to length of data which will be send
-
-            crc = c_ushort(self.c_lib.freedv_gen_crc16(bytes(buffer), self.payload_per_frame))     # generate CRC16
-            crc = crc.value.to_bytes(2, byteorder='big') # convert buffer to 2 byte hex string
-            buffer += crc        # append crc16 to buffer
-        
-            #print(buffer)
-        
-            data = self.FrameBytes().from_buffer_copy(buffer) #change data format form bytearray to ctypes.u_byte
-        
-            #print(len(data))
-            ##return bytes(mod_out) #return modulated data as byte string
-
-            #self.c_lib.freedv_rawdatapreambletx(self.freedv, mod_out) # SEND PREAMBLE
-            #print(bytes(mod_out), flush=True)
-        
-          
-            self.c_lib.freedv_rawdatatx(self.freedv,mod_out,data) # modulate DATA      
-            print(bytes(mod_out), flush=True)
-
-
-
-
-
-main()