diff --git a/examples/testbed-tx-rx-test.py b/examples/testbed-tx-rx-test.py
new file mode 100644
index 0000000..962bb52
--- /dev/null
+++ b/examples/testbed-tx-rx-test.py
@@ -0,0 +1,132 @@
+from alh import alh
+from alh.spectrum import *
+from alh.common import log
+import os
+import serial
+import string
+import sys
+import time
+import pickle
+
+def test_tx(time_start_arg,
+			nodef,
+			tx_node_nr,
+			rx_number_list
+			):
+	# cognitive terminal, default frequency
+	SignalGenerationRun(
+			alh = nodef(tx_node_nr),
+			time_start = time_start_arg + 5.0,
+			time_duration = 25,
+			device_id = 0,
+			config_id = 0,
+			channel = 110,
+			power = 0).program()
+
+	# cognitive terminal, moved frequency
+	SignalGenerationRun(
+			alh = nodef(tx_node_nr),
+			time_start = time_start_arg + 35.0,
+			time_duration = 20,
+			device_id = 0,
+			config_id = 0,
+			channel = 225,
+			power = 0).program()
+
+	rx_nodes = []
+	for rx_nr in rx_number_list:
+		rx_nodes.append( nodef(rx_nr))
+
+	return MultiNodeSpectrumSensingRun(
+			nodes = rx_nodes,
+			time_start = time_start_arg,
+			time_duration = 60,
+			device_id = 0,
+			config_id = 0,
+			ch_start = 0,
+			ch_step = 1,
+			ch_stop = 255,
+			slot_id = 6)
+
+	# TODO if the automatic authentication loading is merged, remove this function
+def load_auth():
+	try:
+		f = open("thesis-sensing-auth.pickle", "r")
+	except IOError:
+		print "authentication file open error"
+		return [ "", "" ]
+	pwd_pass_dict = pickle.load(f)
+	f.close()
+	return [pwd_pass_dict['user'], pwd_pass_dict['pwd']]
+
+
+def main():
+	#f = serial.Serial("/dev/ttyUSB0", 115200, timeout=10)
+	#coor = alh.ALHTerminal(f)
+
+	[user, pwd] = load_auth()
+
+	coor = alh.ALHWeb("https://%s:%s@crn.log-a-tec.eu/communicator" % ( user, pwd),
+					10001)
+	coor._log = log
+
+	called = set()
+
+	def nodef(addr):
+		n = alh.ALHProxy(coor, addr)
+
+		if addr not in called:
+			n.post("prog/firstCall", "1")
+			called.add(addr)
+
+		return n
+
+	extra_wait = 80
+
+	node_numbers = [ 2, 4, 6, 11, 13, 15, 17, 24, 25, 26 ]
+
+	for tx_node_nr in node_numbers:
+
+		print "tx_node_nr = ", tx_node_nr
+
+		# copy the list
+		rx_number_list = list(node_numbers)
+		rx_number_list.remove(tx_node_nr)
+
+
+		time_start = time.time() + extra_wait
+
+		experiment = test_tx(
+							time_start_arg=time_start,
+							nodef=nodef,
+							tx_node_nr=tx_node_nr,
+							rx_number_list=rx_number_list)
+
+		experiment.program()
+
+		print "waiting %d s so the experiment can finish" % (60 + extra_wait)
+		time.sleep(60 + extra_wait);
+
+		while not experiment.is_complete():
+			print "waiting..."
+			time.sleep(2)
+
+		print "experiment is finished. retrieving data."
+
+		results = experiment.retrieve()
+
+		output_dirname = "data-%d-tx" % (tx_node_nr)
+		for rx_nr in rx_number_list:
+			output_dirname = output_dirname + "-" + str(rx_nr)
+		output_dirname = output_dirname + "-rx"
+
+		try:
+			os.mkdir(output_dirname)
+		except OSError:
+			pass
+		write_results(output_dirname, results, experiment)
+
+		print "done, waiting 5s"
+		time.sleep(5)
+
+main()