def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
ant_list = ['3c']
snap_if.setatten({ant + pol: 27 for ant in ant_list for pol in ["x", "y"]})
snap_dada.set_freq_auto([1600] * len(ant_list), ant_list)
obs_time = 10
goes_az = 121.96
goes_el = 23.63
# point at goes16
ata_control.set_az_el(ant_list, goes_az, goes_el)
utcs = []
while True:
utc = snap_dada.start_recording(ant_list,
obs_time,
acclen=120 * 16,
disable_rfi=True)
utcs.append(utc)
time.sleep(2)
print("")
print("=" * 79)
for ant in ant_list:
p = get_power(utc, ant)
print(ant, p, 10 * np.log10(p), "dB")
print("=" * 79)
print("")
_ = input("measure again?")
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
# pulsar observation
#ant_list = ["1a", "1f", "1c", "2a", "2h", "1k", "5c", "4g", "4j"]
#freqs = [950, 950, 1600, 1600, 1600, 1600, 950, 950, 1600]
#ant_list = ["1a", "1f", "1c", "2a", "2h", "1k", "5c", "4g", "4j", "1h"]
#freqs = [950, 950, 1600, 1600, 1600, 1600, 950, 950, 1600, 1600]
ant_list = ["1a", "1f", "5c", "1c", "2a", "4j", "2h", "1k", "1h"]
freqs = [950]*3 + [1600]*3 + [2250]*3
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas,ant_list, True)
source = "frb180916"
snap_dada.set_freq_auto(freqs, ant_list)
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list)
obs_time = 1200
nhours = 3
ncycles = 2
for icycle in range(ncycles):
for i in range(nhours*3):
snap_if.tune_if_ants(ant_list)
utc = snap_dada.start_recording(ant_list, obs_time,
npolout=1, acclen=120, disable_rfi=True)
snap_dada.mark_obs_for_heimdall(utc)
time.sleep(1200)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# moon observation
az_offset = 20
el_offset = 0
#freqs = np.arange(1000, 11000, 500)
#freq = 1600 #+ 2*300
#freq = 1600 + 700 #+ 2*300
ant_list = ["2b", "2a"]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, True)
obs_time = 30
source = "NCP"
ata_control.set_az_el(ant_list, 0, 40.723)
ata_control.autotune(ant_list)
freqs = np.arange(1250, 11200, 450)
snap_dada.set_freq_auto([freqs[0]] * len(ant_list), ant_list)
time.sleep(30)
for ifreq, freq in enumerate(freqs):
snap_dada.set_freq_auto([freq] * len(ant_list), ant_list)
snap_if.tune_if_ants(ant_list)
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=2,
acclen=120 * 2,
source="NCP",
disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
ant_list = ["1f", "1h", "1c"] #, "1k", "5c"]
freqs = [950, 1300, 1650] #, 1600, 950]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
source = "J0332+5434"
ata_control.make_and_track_ephems(source, ant_list)
#ata_control.set_freq(freqs, ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
ata_control.autotune(ant_list)
snap_if.tune_if_ants(ant_list)
obs_time = 300
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=1,
acclen=24,
disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
#ant_list = ["1f", "1h"]#, "1k", "5c"]
#freqs = [950, 1600]#, 1600, 950]
#ant_list = ["1a", "4j", "1k"]
#freqs = [950] + [1600] + [2250]
ant_list = ["1f", "5c", "1a", "1c", "2a", "4j", "2h", "1k", "1h"]
#freqs = [950]*3 + [1600]*3 + [2250]*3
freqs = [1400] * len(ant_list)
#ant_list = ["1f", "1k"]
#freqs = [950, 1600]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
source = "j0534+2200"
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
snap_if.tune_if_ants(ant_list)
obs_time = 1800
#for i in range(3):
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=1,
acclen=40,
disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
#ant_list = ["3c", "2b"]
#ant_list = ['1a', '1f', '1c', '2a', '2b', '2h',
# '4g', '1k', '5c', '1h', '4j']
ant_list = ['3c']
#snap_if.setatten({'3cx': 27, '3cy': 27, '2bx': 27, '2by': 27})
snap_if.setatten({ant + pol: 27 for ant in ant_list for pol in ["x", "y"]})
snap_dada.set_freq_auto([1600] * len(ant_list), ant_list)
#snap_if.tune_if_ants(ant_list)
obs_time = 10
goes_az = 121.96
goes_el = 23.63
step = 0.1
az_list = np.arange(goes_az - 1, goes_az + 1, step)
el_list = np.arange(goes_el - 1, goes_el + 1, step)
for az in az_list:
os.system("killall ata_udpdb")
for el in el_list:
print("az: %.2f, el: %.2f" % (az, el))
ata_control.set_az_el(ant_list, az, el)
utc = snap_dada.start_recording(ant_list,
obs_time,
acclen=120 * 16,
disable_rfi=True)
time.sleep(10)
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
ant_list = ["1a", "1f", "1c", "2a", "2b", "2h",
"3c", "4g", "1k", "5c", "1h", "4j"]
#ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas,ant_list, False)
ata_control.set_az_el(ant_list, 180, 75)
ata_control.autotune(ant_list)
freqs = np.arange(2250, 11200, 550)
snap_dada.set_freq_auto([freqs[0]]*len(ant_list), ant_list)
time.sleep(30)
o = open("output_snap_if.txt","w")
for ifreq, freq in enumerate(freqs):
time.sleep(10)
snap_dada.set_freq_auto([freq]*len(ant_list), ant_list)
snap_if.tune_if_ants(ant_list)
o.write(str(freq))
o.write(str(snap_if.getatten(ant_list)))
o.close()
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
# pulsar observation
ant_list = ["1a","1f"]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
dump_thread = ata_coords.CoordDumpThread(ant_list,
"/mnt/buf0/obs/coords_dump.txt")
dump_thread.start()
atexit.register(dump_thread.stop)
#source = "GPS-BIIRM-3--PRN-12-"
source = "GPS-BIIF-6---PRN-06-"
ata_control.create_ephem(source, **{'duration': 2, 'interval': 0.1})
freqs = [1575]*len(ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
antpols = ["%s%s" %(ant, pol) for ant in ant_list for pol in ["x", "y"]]
if_atten = {antpol:10 for antpol in antpols}
snap_if.setatten(if_atten)
pbfwhm = (3.5 / freqs[0] * 1000.0);
delta = pbfwhm / 2.0
obs_time = 30
offsets = [
[0., 4*delta],
[0., delta],
[0., 0.],
[0., -delta],
[0., -4*delta],
[-4*delta, 0.],
[-delta, 0.],
[0., 0.],
[delta, 0.],
[4*delta, 0.]
]
# offsets = az/el
for offset in offsets:
print(offset)
ata_control.track_and_offset(source, ant_list, offset=offset)
utc = snap_dada.start_recording(ant_list, obs_time, acclen=120*16,
disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
# pulsar observation
#ant_list = ["1a", "1k", "5c", "1h", "4j", "3d", "4g", "2h", "2a", "2b", "1c"]
#ant_list = ["1a", "1f", "2a", "2h", "3d", "4g", "1k", "5c", "1h", "2b"]
ant_list = ['1a', '1f', '1c', '1h', '2a', '4j', '2h', '3d', '4g', '5c', '2b']
#freqs = [2000]*len(ant_list)
freqs = [1500]*len(ant_list)
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas,ant_list, True)
# observe a pulsar
#source = "J1935+1616"
#source = "J0332+5434"
#ata_control.make_and_track_ephems(source, ant_list)
#ata_control.autotune(ant_list, power_level=-15)
#snap_dada.set_freq_auto(freqs, ant_list)
#snap_if.tune_if_ants(ant_list)
#utc = snap_dada.start_recording(ant_list, 600,
# npolout=1, acclen=120, disable_rfi=True)
# now to FRB source
#source = "frb180916"
source = "J1934+2153"
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list, power_level=-15)
snap_dada.set_freq_auto(freqs, ant_list)
snap_if.tune_if_ants(ant_list)
obs_time = 1200
nhours = 3
ncycles = 3
for icycle in range(ncycles):
for i in range(nhours*3):
snap_if.tune_if_ants(ant_list)
utc = snap_dada.start_recording(ant_list, obs_time,
npolout=1, acclen=120, disable_rfi=True)
Path('/mnt/buf0/obs/%s/obs.sumall' %utc).touch()
snap_dada.mark_obs_for_heimdall(utc)
time.sleep(300)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
"""
ant_list = ["1a","1f","5c"]
freqs = [950]*3
ant_list += ["2h", "1k", "1h"]
freqs += [1300]*3
ant_list += ["1c", "2a", "4j"]
freqs += [1650]*3
"""
#ant_list = ["1f", "2a", "1k", "5c"]
#freqs = [950, 1600, 1600, 950]
#ant_list = ["1a", "1f", "1c", "2a", "2b", "2h", "3c",
# "1k", "5c", "4g", "4j", "1h"]
#freqs = [1400]*len(ant_list)
#ant_list = ["1f", "5c", "1a", "1c", "2a", "4j", "2h", "1k", "1h"]
#freqs = [950]*3 + [1600]*3 + [2250]*3
ant_list = [
"1a", "1f", "1c", "2a", "2h", "3d", "5c", "2b", "1h", "4g", "4j"
]
freqs = [1500] * len(ant_list)
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, True)
source = "J1935+1616"
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
time.sleep(30)
snap_if.tune_if_ants(ant_list)
obs_time = 300
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=1,
acclen=120,
disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
# pulsar observation
ant_list = ["3c"]
freqs = [1000]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
snap_dada.set_freq_auto(freqs, ant_list)
snap_if.tune_if_ants(ant_list)
obs_time = 30
utc = snap_dada.start_recording(ant_list, obs_time,
npolout=1, acclen=120, disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
#ant_list = ["1a", "1f", "5c", "1c", "2a", "4j", "2h", "1k", "1h"]
#ant_list = ["3c", "2b"]
#ant_list = ["1a", "1f", "1c", "2b",
# "1k", "5c", "1h", "4j", "2a", "3d", "4g", "2h"]
#ant_list = ["1a", "1f", "1k", "5c", "1h", "4j", "3d", "4g", "2h", "2a", "1c", "2b"]
ant_list = [
"1a", "1f", "5c", "1h", "4j", "3d", "4g", "2h", "2a", "1c", "2b"
]
#ant_list = ["1a", "1f", "5c", "4g"]
#freqs = [950]*3 + [1600]*3 + [2250]*3
#ant_list = ["1f"]
freqs = [1500] * len(ant_list)
#freqs = [750]*len(ant_list)
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, True)
#ata_control.set_freq(freqs, ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
print("Done")
time.sleep(30)
source = "J0332+5434"
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list, power_level=-15)
snap_if.tune_if_ants(ant_list)
obs_time = 1200
utc = snap_dada.start_recording(ant_list,
obs_time,
disable_rfi=True,
npolout=1,
acclen=120)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
ant_list = ["1a", "1f"]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
source = "GPS-BIIRM-3--PRN-12-"
source = "casa"
ata_control.create_ephem(source)
freqs = [1575] * len(ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
antpols = ["%s%s" % (ant, pol) for ant in ant_list for pol in ["x", "y"]]
if_atten = {antpol: 10 for antpol in antpols}
snap_if.setatten(if_atten)
pbfwhm = (3.5 / freqs[0] * 1000.0)
delta = pbfwhm / 2.0
obs_time = 30
delta = 1.
offsets = [[0., 4 * delta], [0., delta], [0., 0.], [0., -delta],
[0., -4 * delta], [-4 * delta, 0.], [-delta, 0.], [0., 0.],
[delta, 0.], [4 * delta, 0.]]
# offsets = az/el
for offset in offsets:
print(offset)
ata_control.track_and_offset(source, ant_list, offset=offset)
#utc = snap_dada.start_recording(ant_list, obs_time, acclen=120*16,
# disable_rfi=True)
_ = input("Press enter for next pointing")
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
ant_list = ["1a", "1f", "1h", "1c", "2a", "2h", "1k", "5c", "4j", "4g"]
freqs = [950, 950, 1600, 1600, 1600, 1600, 1600, 950, 1600, 950]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, True)
source = "J0008+6829"
ata_control.make_and_track_ephems(source, ant_list)
snap_dada.set_freq_auto(freqs, ant_list)
ata_control.autotune(ant_list)
os.system(ATTEMP_SCRIPT)
obs_time = 1200
nhours = 3
for i in range(int(nhours * 3)):
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=1,
acclen=120,
disable_rfi=True)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
ant_list = ['2b']
#pms = {ant:ata_pointing.PointingModel(ant) for ant in ant_list}
#pm = ata_pointing.PointingModel('3c')
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
pams = {ant + pol: 27 for ant in ant_list for pol in ["x", "y"]}
ifs = {ant + pol: 20 for ant in ant_list for pol in ["x", "y"]}
ata_control.set_pams(pams)
snap_if.setatten(ifs)
freq = 1575
snap_dada.set_freq_auto([freq] * len(ant_list), ant_list)
# define how to grid the sky
pbfwhm = (3.5 / freq * 1000.0)
delta = pbfwhm / 2.0
obs_time = 30
# elevation then azimuth
offsets = [[0., 4 * delta], [0., delta], [0., 0.], [0., -delta],
[0., -4 * delta], [-4 * delta, 0.], [-delta, 0.], [0., 0.],
[delta, 0.], [4 * delta, 0.]]
obs_time = 20
utcs = []
sats_observed = []
time_obs = []
t = time.time()
ofile = open("/home/obsuser/pointing/%i_atapointer.txt" % t, "w")
tpoints = {
ant: open("/home/obsuser/pointing/%i_%s_tpoint.txt" % (t, ant), "w")
for ant in ant_list
}
atexit.register(ofile.close)
for tpoint in tpoints.values():
atexit.register(tpoint.close)
while True:
#utc = snap_dada.start_recording(ant_list, obs_time, acclen=120*16,
# disable_rfi=True)
#utcs.append(utc)
#for ant in ant_list:
# p = get_power(utc, ant)
# print(ant, p, 10*np.log10(p), "dB")
sats = ata_sources.get_sats()['GPS']
setting_sats, rising_sats = select_group_sats(sats)
to_observe = None
# select a rising satellite from rising group first
# then check if there's any setting satellite, and observe
# that instead. The rising satellite will be selected in the
# following iteration
for sat_group in [rising_sats, setting_sats]:
for sat in sat_group:
name, az, el = sat['name'], float(sat['az']), float(sat['el'])
# skip if satellite has been observed in the last 5 times
if name in sats_observed[-5:]:
continue
to_observe = sat
ofile.write("will observe: %s, state: %s\n" %
(name, sat['state']))
break
# if all the satellites have been observed
if not to_observe:
# chose a random satellite that is setting, in case there's one
if len(setting_sats) != 0:
to_observe = random.choice(setting_sats)
# else chose one that is rising, if there's one
if len(rising_sats) != 0:
to_observe = random.choice(rising_sats)
if to_observe:
az, el = float(sat['az']), float(sat['el'])
name = sat['name']
ofile.write("%s: Observing: %s\n" %
(datetime.datetime.now(), to_observe['name']))
ofile.write("%s: Az, el, state: %.2f, %.2f, %s\n" %
(datetime.datetime.now(), az, el, sat['state']))
ata_control.create_ephem(name, **{'duration': 2, 'interval': 1})
# offsets = az/el
for i in range(nRepeats):
azs = {ant: [] for ant in ant_list}
els = {ant: [] for ant in ant_list}
az_offs = {ant: [] for ant in ant_list}
el_offs = {ant: [] for ant in ant_list}
meas = {ant: [] for ant in ant_list}
igrid = 0
# now do the cross pattern
for offset in offsets:
ofile.write("%s: %s" % (datetime.datetime.now(), offset))
ofile.write("\n")
ata_control.track_and_offset(name,
ant_list,
xoffset=offset)
for ant in ant_list:
# XXX: what az/el are these? Encoder or astronomical?
az_el = ata_control.get_az_el(ant_list)[ant]
# Determine the true position of satellite
x_el_off = offset[0]
el_off = offset[1]
az_off = x_el_off / np.cos(np.deg2rad(az_el[1]))
azs[ant].append(az_el[0] - az_off)
els[ant].append(az_el[1] - el_off)
az_offs[ant].append(az_off)
el_offs[ant].append(el_off)
# record data
utc = snap_dada.start_recording(ant_list,
obs_time,
acclen=120 * 16,
disable_rfi=True)
# get the measurement data
for ant in ant_list:
try:
meas[ant].append(get_power(utc, ant))
except:
meas[ant].append(np.nan)
for ant in ant_list:
ofile.write(ant + "\n")
az_avg = np.array(azs[ant]).mean()
el_avg = np.array(els[ant]).mean()
ofile.write("%s: azimuths: " % (datetime.datetime.now()) +
float_arr_to_str(azs[ant]) + "\n")
ofile.write("%s: elevations: " %
(datetime.datetime.now()) +
float_arr_to_str(els[ant]) + "\n")
ofile.write("%s: az_offsets: " %
(datetime.datetime.now()) +
float_arr_to_str(az_offs[ant]) + "\n")
ofile.write("%s: el_offsets: " %
(datetime.datetime.now()) +
float_arr_to_str(el_offs[ant]) + "\n")
ofile.write("%s: meas: " % (datetime.datetime.now()) +
float_arr_to_str(meas[ant]) + "\n")
ofile.write("%s: source az_avg: " %
(datetime.datetime.now()) + str(az_avg) + "\n")
ofile.write("%s: source el_avg: " %
(datetime.datetime.now()) + str(el_avg) + "\n")
try:
peak_el = analyzeFivePoints(el_offs[ant][:5],
meas[ant][:5])
peak_pos_el, peak_val_el, peak_width_el = peak_el
peak_az = analyzeFivePoints(az_offs[ant][5:],
meas[ant][5:])
peak_pos_az, peak_val_az, peak_width_az = peak_az
peak_sbr = np.sqrt(peak_val_az**2 + peak_val_el**2)
except:
ofile.write(
"%s: Something went wrong with measuring power with ant: %s\n"
% (datetime.datetime.now(), ant))
continue
ofile.write("%f %f %f\n" %
(peak_pos_el, peak_val_el, peak_width_el))
ofile.write("%f %f %f\n" %
(peak_pos_az, peak_val_az, peak_width_az))
meas_az = (az_avg + peak_pos_az)
meas_el = (el_avg + peak_pos_el)
#meas_az, meas_el, ir = pms[ant].applyTPOINTCorrections(meas_az, meas_el, 0)
dt = datetime.datetime.now()
hour = dt.hour + dt.minute / 60.
tpoints[ant].write(
"%.3f, %.3f, %.3f, %.3f, %.3f, %.3f\n" %
(az_avg, el_avg, meas_az, meas_el, peak_sbr, hour))
tpoints[ant].flush()
os.system("killall ata_udpdb")
sats_observed.append(to_observe['name'])
else:
# wait for 20 minutes and see what other satellite pops up
ofile.write("%s: nothing to observe, waiting\n" %
(datetime.datetime.now()))
#sats_observed = []
time.sleep(20 * 60)
ofile.flush()
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
#ant_list = ["1a", "1c", "2a",
# "2h", "4g", "1k", "5c"]
# 4g and 1h for GNURADIO
#ant_list = ["1a", "1f", "1c", "1h", "2a", "1k", "5c", "4g"]
#freqs = [950, 950, 1600, 1600, 1600, 1600, 950, 950]
# LO b
#sub1 = ["1f", "5c"]
#freq1 = [950]
# LO c
#sub2 = ["2h", "1k", "1h"]
#freq2 = [1300]
# LO a
#sub3 = ["1c", "2a", "4j"]
#freq3 = [1650]
#ant_list = sub1 + sub2 + sub3
#freqs = freq1*len(sub1) + freq2*len(sub2) + freq3*len(sub3)
#ant_list = ["1f", "5c", "1a", "1c", "2a", "4j", "2h", "1k", "1h"]
#freqs = [950]*3 + [1600]*3 + [2250]*3
ant_list = ["1f", "5c", "1a", "1c", "2a", "4j", "2h", "1k", "1h"]
freqs = [950] * 3 + [1600] * 3 + [2250] * 3
#ant_list = ["1f", "2a", "1k", "5c"]
#freqs = [950, 1600, 1600, 950]
snap_dada.set_freq_auto(freqs, ant_list)
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, True)
source = "J1935+1616"
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list)
snap_if.tune_if_ants(ant_list)
utc = snap_dada.start_recording(ant_list,
600,
npolout=1,
acclen=120,
disable_rfi=True)
source = "J1934+2153"
ata_control.make_and_track_ephems(source, ant_list)
obs_time = 1200
nhours = 3
for i in range(2):
for i in range(int(nhours * 3)):
snap_if.tune_if_ants(ant_list)
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=1,
acclen=120,
disable_rfi=True)
snap_dada.mark_obs_for_heimdall(utc)
print("Now sleeping for 20 minutes")
time.sleep(1200)
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# casa observation
az_offset = 20.
el_offset = 0.
ant_list = [
"1a", "1f", "1c", "2a", "2b", "2h", "3c", "4g", "1k", "5c", "1h", "4j"
]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
obs_time = 30
n_on_off = 1
source = "casa"
ata_control.create_ephems2(source, az_offset, el_offset)
ata_control.point_ants2(source, "off", ant_list)
ata_control.autotune(ant_list)
#freqs = np.arange(1200, 9500, 350)
#freqs = np.arange(1200, 11200, 350)
#freqs = np.arange(1200, 1900, 350)
#freqs = np.arange(2250, 11200, 550)
freqs = [3500, 4500, 5500, 6500, 7500]
snap_dada.set_freq_auto([freqs[0]] * len(ant_list), ant_list)
time.sleep(30)
snap_if.tune_if_ants(ant_list)
utcs_all = []
for ifreq, freq in enumerate(freqs):
utcs_this_freq = []
if ifreq != 0:
snap_dada.set_freq_auto([freq] * len(ant_list), ant_list)
snap_if.tune_if_ants(ant_list)
for i in range(n_on_off):
# record on
ata_control.point_ants2(source, "on", ant_list)
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=2,
acclen=120 * 16,
disable_rfi=True)
utcs_this_freq.append(utc)
os.system("killall ata_udpdb")
#record off
ata_control.point_ants2(source, "off", ant_list)
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=2,
acclen=120 * 16,
disable_rfi=True)
utcs_this_freq.append(utc)
os.system("killall ata_udpdb")
utcs_all.append(utcs_this_freq)
initial_utc = utcs_all[0][0]
os.system("mkdir /mnt/datax-netStorage-40G/calibration/" + initial_utc)
for freq, utcs in zip(freqs, utcs_all):
os.system("mkdir /mnt/datax-netStorage-40G/calibration/%s/freq_%i" %
(initial_utc, freq))
for utc in utcs:
os.system(
"mv /mnt/buf0/obs/%s /mnt/datax-netStorage-40G/calibration/%s/freq_%i"
% (utc, initial_utc, freq))
os.system(
"/home/obsuser/scripts/fil2csv.py /mnt/datax-netStorage-40G/calibration/%s/*/*/*/*.fil"
% (initial_utc))
o = open("/mnt/datax-netStorage-40G/calibration/obs.dat", "a")
o.write("%s %s %i\n" % (initial_utc, source, n_on_off))
o.close()
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
ant_list = ['3c']
#pms = {ant:ata_pointing.PointingModel(ant) for ant in ant_list}
pm = ata_pointing.PointingModel('3c')
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, False)
pams = {ant+pol:27 for ant in ant_list for pol in ["x","y"]}
ifs = {ant+pol:27 for ant in ant_list for pol in ["x","y"]}
ata_control.set_pams(pams)
snap_if.setatten(ifs)
freq = 1575
snap_dada.set_freq_auto([freq]*len(ant_list), ant_list)
obs_time = 10
utcs = []
sats_observed = []
time_obs = []
ofile = open("./atapointer.txt", "w")
tpoint = open("./3c_tpoint.txt", "w")
atexit.register(ofile.close)
atexit.register(tpoint.close)
while True:
#utc = snap_dada.start_recording(ant_list, obs_time, acclen=120*16,
# disable_rfi=True)
#utcs.append(utc)
#for ant in ant_list:
# p = get_power(utc, ant)
# print(ant, p, 10*np.log10(p), "dB")
sats = ata_sources.get_sats()['GPS']
setting_sats, rising_sats = select_group_sats(sats)
to_observe = None
# select a rising satellite from rising group first
# then check if there's any setting satellite, and observe
# that instead. The rising satellite will be selected in the
# following iteration
for sat_group in [rising_sats, setting_sats]:
for sat in sat_group:
name, az, el = sat['name'], float(sat['az']), float(sat['el'])
# skip if satellite has been observed in the last 5 times
if name in sats_observed[-5:]:
continue
to_observe = sat
#print("will observe: %s, state: %s" %(name, sat['state']))
break
# if all the satellites have been observed
if not to_observe:
# chose a random satellite that is setting, in case there's one
if len(setting_sats) != 0:
to_observe = random.choice(setting_sats)
# else chose one that is rising, if there's one
if len(rising_sats) != 0:
to_observe = random.choice(rising_sats)
if to_observe:
az, el = float(sat['az']), float(sat['el'])
name = sat['name']
ofile.write("%s: Observing: %s\n" %(
datetime.datetime.now(), to_observe['name']))
ofile.write("%s: Az, el, state: %.2f, %.2f, %s\n" %(
datetime.datetime.now(),az, el, sat['state']))
ata_control.create_ephem(name,
**{'duration': 2, 'interval': 1})
pbfwhm = (3.5 / freq * 1000.0);
delta = pbfwhm / 2.0
obs_time = 30
# elevation then azimuth
offsets = [
[0., 4*delta],
[0., delta],
[0., 0.],
[0., -delta],
[0., -4*delta],
[-4*delta, 0.],
[-delta, 0.],
[0., 0.],
[delta, 0.],
[4*delta, 0.]
]
# offsets = az/el
for i in range(nRepeats):
azs = []
els = []
az_offs = []
el_offs = []
meas = []
igrid = 0
for offset in offsets:
ofile.write("%s %s" %(datetime.datetime.now(), offset))
ofile.write("\n")
ata_control.track_and_offset(name, ant_list, xoffset=offset)
az_el = ata_control.get_az_el(ant_list)['3c'] #XXX
# Determine the true position of satellite
x_el_off = offset[0]
el_off = offset[1]
az_off = x_el_off / np.cos(np.deg2rad(az_el[1]))
azs.append(az_el[0] - az_off)
els.append(az_el[1] - el_off)
az_offs.append(az_off)
el_offs.append(el_off)
time.sleep(30)
utc = snap_dada.start_recording(ant_list, obs_time, acclen=120*16,
disable_rfi=True)
meas.append(get_power(utc, "3c"))
az_avg = np.array(azs).mean()
el_avg = np.array(els).mean()
print(azs)
print(els)
print(az_offs)
print(el_offs)
print(meas)
print(az_avg)
print(el_avg)
peak_el = analyzeFivePoints(el_offs[:5], meas[:5])
peak_pos_el, peak_val_el, peak_width_el = peak_el
peak_az = analyzeFivePoints(az_offs[5:], meas[5:])
peak_pos_az, peak_val_az, peak_width_az = peak_az
peak_sbr = np.sqrt(peak_val_az**2 + peak_val_el**2)
print(peak_pos_el, peak_val_el, peak_width_el)
print(peak_pos_az, peak_val_az, peak_width_az)
meas_az = (az_avg + peak_pos_az)
meas_el = (el_avg + peak_pos_el)
meas_az, meas_el, ir = pm.applyTPOINTCorrections(meas_az, meas_el, 0)
dt = datetime.datetime.now()
hour = dt.hour + dt.minute/60.
tpoint.write("! %.3f, %.3f, %.3f, %.3f, %.3f, %.3f\n"
%(az_avg, el_avg, meas_az, meas_el, peak_sbr, hour))
sats_observed.append(to_observe['name'])
else:
# wait for 20 minutes and see what other satellite pops up
ofile.write("%s: nothing to observe, waiting\n" %(
datetime.datetime.now()))
#sats_observed = []
time.sleep(20*60)
ofile.flush()
def main():
logger = logger_defaults.getProgramLogger("observe", loglevel=logging.INFO)
# pulsar observation
#ant_list = ["1a", "1c", "2a",
# "2h", "4g", "1k", "5c"]
# 4g and 1h for GNURADIO
#ant_list = ["1a", "1f", "1c", "1h", "2a", "1k", "5c", "4g"]
#freqs = [950, 950, 1600, 1600, 1600, 1600, 950, 950]
# LO b
#sub1 = ["1f", "5c"]
#freq1 = [950]
# LO c
#sub2 = ["2h", "1k", "1h"]
#freq2 = [1300]
# LO a
#sub3 = ["1c", "2a", "4j"]
#freq3 = [1650]
#ant_list = sub1 + sub2 + sub3
#freqs = freq1*len(sub1) + freq2*len(sub2) + freq3*len(sub3)
#ant_list = ["1f", "5c", "1a", "1c", "2a", "4j", "2h", "1k", "1h"]
#freqs = [950]*3 + [1600]*3 + [2250]*3
#ant_list = ["1a", "1k", "5c", "1h", "4j", "3d", "4g", "2h", "2a", "1c", "2b"]
ant_list = [
"1a", "1f", "1c", "2a", "2h", "3d", "1k", "5c", "2b", "4g", "4j"
]
freqs = [1500] * len(ant_list)
#ant_list = ["1f", "2a", "1k", "5c"]
#freqs = [950, 1600, 1600, 950]
snap_dada.set_freq_auto(freqs, ant_list)
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas, ant_list, True)
#source = "J1935+1616"
#ata_control.make_and_track_ephems(source, ant_list)
#ata_control.autotune(ant_list)
#snap_if.tune_if_ants(ant_list)
#utc = snap_dada.start_recording(ant_list, 600,
# npolout=1, acclen=120, disable_rfi=True)
source = "J0534+2200"
ata_control.make_and_track_ephems(source, ant_list)
ata_control.autotune(ant_list, power_level=-15)
obs_time = 1200
snap_if.tune_if_ants(ant_list)
utc = snap_dada.start_recording(ant_list,
obs_time,
npolout=1,
acclen=120,
disable_rfi=True)
snap_dada.mark_obs_for_heimdall(utc)
Path('/mnt/buf0/obs/%s/obs.sumall' % utc).touch()
def main():
logger = logger_defaults.getProgramLogger("observe",
loglevel=logging.INFO)
# moon observation
az_offset = 20
el_offset = 0
#ant_list = ["1a", "1f", "1c", "2a", "2b", "2h",
# "3c", "4g", "1k", "5c", "1h", "4j"]
ant_list = ["1c", "2a", "2b", "2h",
"3c", "4g", "1k", "1h", "4j"]
ata_control.reserve_antennas(ant_list)
atexit.register(ata_control.release_antennas,ant_list, False)
obs_time = 30
source = "virgo"
ata_control.create_ephems2(source, az_offset, el_offset)
ata_control.point_ants2(source, "on", ant_list)
ata_control.autotune(ant_list)
freqs = np.arange(1200, 10500, 350)
#freqs = np.arange(1200, 1900, 350)
utcs_all = []
for freq in freqs:
utcs_this_freq = []
snap_dada.set_freq_auto([freq]*len(ant_list), ant_list)
snap_if.tune_if_ants(ant_list)
for i in range(3):
# record on
ata_control.point_ants2(source, "on", ant_list)
i = 0
while i < 3:
try:
utc = snap_dada.start_recording(ant_list, obs_time,
npolout=2, acclen=120*16, disable_rfi=True)
break
except:
i += 1
utcs_this_freq.append(utc)
#record off
ata_control.point_ants2(source, "off", ant_list)
i = 0
while i < 3:
try:
utc = snap_dada.start_recording(ant_list, obs_time,
npolout=2, acclen=120*16, disable_rfi=True)
break
except:
i += 1
utcs_this_freq.append(utc)
utcs_all.append(utcs_this_freq)
initial_utc = utcs_all[0][0]
os.system("mkdir /mnt/datax-netStorage-40G/calibration/"+initial_utc)
for freq, utcs in zip(freqs, utcs_all):
os.system("mkdir /mnt/datax-netStorage-40G/calibration/%s/freq_%i"
%(initial_utc, freq))
for utc in utcs:
os.system("mv /mnt/buf0/obs/%s /mnt/datax-netStorage-40G/calibration/%s/freq_%i"
%(utc, initial_utc, freq))
