diff --git a/apps/grgsm_livemon_headless b/apps/grgsm_livemon_headless
new file mode 100644
index 0000000..dc36fca
--- /dev/null
+++ b/apps/grgsm_livemon_headless
@@ -0,0 +1,217 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+##################################################
+# GNU Radio Python Flow Graph
+# Title: Gr-gsm Livemon
+# Author: Piotr Krysik
+# Description: Interactive monitor of a single C0 channel with analysis performed by Wireshark (command to run wireshark: sudo wireshark -k -f udp -Y gsmtap -i lo)
+# Generated: Mon Aug 28 10:09:07 2017
+##################################################
+
+from gnuradio import blocks
+from gnuradio import eng_notation
+from gnuradio import gr
+from gnuradio.eng_option import eng_option
+from gnuradio.filter import firdes
+from math import pi
+from optparse import OptionParser
+import grgsm
+import osmosdr
+import pmt
+import time
+
+
+class grgsm_livemon_headless(gr.top_block):
+
+    def __init__(self, args="", collector='localhost', collectorport='4729', fc=941.8e6, gain=30, osr=4, ppm=0, samp_rate=2000000.052982, serverport='4729', shiftoff=400e3):
+        gr.top_block.__init__(self, "Gr-gsm Livemon")
+
+        ##################################################
+        # Parameters
+        ##################################################
+        self.args = args
+        self.collector = collector
+        self.collectorport = collectorport
+        self.fc = fc
+        self.gain = gain
+        self.osr = osr
+        self.ppm = ppm
+        self.samp_rate = samp_rate
+        self.serverport = serverport
+        self.shiftoff = shiftoff
+
+        ##################################################
+        # Blocks
+        ##################################################
+        self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + args )
+        self.rtlsdr_source_0.set_sample_rate(samp_rate)
+        self.rtlsdr_source_0.set_center_freq(fc-shiftoff, 0)
+        self.rtlsdr_source_0.set_freq_corr(ppm, 0)
+        self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
+        self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
+        self.rtlsdr_source_0.set_gain_mode(False, 0)
+        self.rtlsdr_source_0.set_gain(gain, 0)
+        self.rtlsdr_source_0.set_if_gain(20, 0)
+        self.rtlsdr_source_0.set_bb_gain(20, 0)
+        self.rtlsdr_source_0.set_antenna('', 0)
+        self.rtlsdr_source_0.set_bandwidth(250e3+abs(shiftoff), 0)
+          
+        self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(
+            timeslot_nr=1,
+        )
+        self.gsm_receiver_0 = grgsm.receiver(4, ([0]), ([]), False)
+        self.gsm_message_printer_1 = grgsm.message_printer(pmt.intern(""), False,
+            False, False)
+        self.gsm_input_0 = grgsm.gsm_input(
+            ppm=ppm-int(ppm),
+            osr=4,
+            fc=fc,
+            samp_rate_in=samp_rate,
+        )
+        self.gsm_decryption_0 = grgsm.decryption(([]), 1)
+        self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder()
+        self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
+        self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(fc-shiftoff, samp_rate, osr)
+        self.gsm_bcch_ccch_sdcch4_demapper_0 = grgsm.gsm_bcch_ccch_sdcch4_demapper(
+            timeslot_nr=0,
+        )
+        self.blocks_socket_pdu_0_1 = blocks.socket_pdu("UDP_CLIENT", collector, collectorport, 1500, False)
+        self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", '127.0.0.1', serverport, 10000, False)
+        self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*pi*shiftoff/samp_rate)
+
+        ##################################################
+        # Connections
+        ##################################################
+        self.msg_connect((self.blocks_socket_pdu_0_0, 'pdus'), (self.gsm_message_printer_1, 'msgs'))    
+        self.msg_connect((self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'), (self.gsm_control_channels_decoder_0, 'bursts'))    
+        self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'), (self.gsm_input_0, 'ctrl_in'))    
+        self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.blocks_socket_pdu_0_1, 'pdus'))    
+        self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.blocks_socket_pdu_0_1, 'pdus'))    
+        self.msg_connect((self.gsm_decryption_0, 'bursts'), (self.gsm_control_channels_decoder_0_0, 'bursts'))    
+        self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'))    
+        self.msg_connect((self.gsm_receiver_0, 'measurements'), (self.gsm_clock_offset_control_0, 'measurements'))    
+        self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_sdcch8_demapper_0, 'bursts'))    
+        self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'), (self.gsm_decryption_0, 'bursts'))    
+        self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0))    
+        self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))    
+        self.connect((self.rtlsdr_source_0, 0), (self.blocks_rotator_cc_0, 0))    
+
+    def get_args(self):
+        return self.args
+
+    def set_args(self, args):
+        self.args = args
+
+    def get_collector(self):
+        return self.collector
+
+    def set_collector(self, collector):
+        self.collector = collector
+
+    def get_collectorport(self):
+        return self.collectorport
+
+    def set_collectorport(self, collectorport):
+        self.collectorport = collectorport
+
+    def get_fc(self):
+        return self.fc
+
+    def set_fc(self, fc):
+        self.fc = fc
+        self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0)
+        self.gsm_input_0.set_fc(self.fc)
+
+    def get_gain(self):
+        return self.gain
+
+    def set_gain(self, gain):
+        self.gain = gain
+        self.rtlsdr_source_0.set_gain(self.gain, 0)
+
+    def get_osr(self):
+        return self.osr
+
+    def set_osr(self, osr):
+        self.osr = osr
+
+    def get_ppm(self):
+        return self.ppm
+
+    def set_ppm(self, ppm):
+        self.ppm = ppm
+        self.rtlsdr_source_0.set_freq_corr(self.ppm, 0)
+        self.gsm_input_0.set_ppm(self.ppm-int(self.ppm))
+
+    def get_samp_rate(self):
+        return self.samp_rate
+
+    def set_samp_rate(self, samp_rate):
+        self.samp_rate = samp_rate
+        self.rtlsdr_source_0.set_sample_rate(self.samp_rate)
+        self.gsm_input_0.set_samp_rate_in(self.samp_rate)
+        self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate)
+
+    def get_serverport(self):
+        return self.serverport
+
+    def set_serverport(self, serverport):
+        self.serverport = serverport
+
+    def get_shiftoff(self):
+        return self.shiftoff
+
+    def set_shiftoff(self, shiftoff):
+        self.shiftoff = shiftoff
+        self.rtlsdr_source_0.set_center_freq(self.fc-self.shiftoff, 0)
+        self.rtlsdr_source_0.set_bandwidth(250e3+abs(self.shiftoff), 0)
+        self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate)
+
+
+def argument_parser():
+    description = 'Interactive monitor of a single C0 channel with analysis performed by Wireshark (command to run wireshark: sudo wireshark -k -f udp -Y gsmtap -i lo)'
+    parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description)
+    parser.add_option(
+        "", "--args", dest="args", type="string", default="",
+        help="Set Device Arguments [default=%default]")
+    parser.add_option(
+        "", "--collector", dest="collector", type="string", default='localhost',
+        help="Set IP or DNS name of collector point [default=%default]")
+    parser.add_option(
+        "", "--collectorport", dest="collectorport", type="string", default='4729',
+        help="Set UDP port number of collector [default=%default]")
+    parser.add_option(
+        "-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(941.8e6),
+        help="Set GSM channel's central frequency [default=%default]")
+    parser.add_option(
+        "-g", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(30),
+        help="Set gain [default=%default]")
+    parser.add_option(
+        "", "--osr", dest="osr", type="intx", default=4,
+        help="Set OverSampling Ratio [default=%default]")
+    parser.add_option(
+        "-p", "--ppm", dest="ppm", type="eng_float", default=eng_notation.num_to_str(0),
+        help="Set ppm [default=%default]")
+    parser.add_option(
+        "-s", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(2000000.052982),
+        help="Set samp_rate [default=%default]")
+    parser.add_option(
+        "", "--serverport", dest="serverport", type="string", default='4729',
+        help="Set UDP server listening port [default=%default]")
+    parser.add_option(
+        "-o", "--shiftoff", dest="shiftoff", type="eng_float", default=eng_notation.num_to_str(400e3),
+        help="Set Frequency Shiftoff [default=%default]")
+    return parser
+
+
+def main(top_block_cls=grgsm_livemon_headless, options=None):
+    if options is None:
+        options, _ = argument_parser().parse_args()
+
+    tb = top_block_cls(args=options.args, collector=options.collector, collectorport=options.collectorport, fc=options.fc, gain=options.gain, osr=options.osr, ppm=options.ppm, samp_rate=options.samp_rate, serverport=options.serverport, shiftoff=options.shiftoff)
+    tb.start()
+    tb.wait()
+
+
+if __name__ == '__main__':
+    main()