Hi,
Last year we bought an b200 + gpsdo + antenna for use in our atlas bird
tracking system where we currently use n200's.
Around Christmas I spent some time trying to get it up and running, but
soon found out the gpsdo doesn't (reliably) lock and even when it
reports to be locked, time is often incorrect and frozen. Every now and
then, the pps led and 'stable' leds on the gpsdo turn on/blink. Only
twice in the I saw the b200's green 'locked' led turn on minutes and the
device seemed operating correctly for a few minutes.
Things verified/done:
* connected an extra power supply (the b200 uses around 400mA a 6.1v
right now)
* make sure gpsdo is correctly installed
* make sure latest firmware is used
* no different behavior with latest uhd libraries (currently using the
stock Ubuntu ones)
* re-power the b200
* the correct (5v) gps antenna is attached. The voltage supplied by the
gpsdo does drop from around 5v to 3.7 volt when the antenna gets
connected, not sure if that is expected.
* waited hours (days actually) for the gpsdo to stabilize
* n200 gps puck at the same location works fine and reliable
Below is some 'debug' info from the uhd_usrp_probe and
query_gpsdo_sensors tools. Attached is also my test program which
periodically shows the gpsdo status and its output showing the erratic
behaviour.
Any idea's on how to troubleshoot the gpsdo? Or is the
b200/gpsdo/antenna probably broken and should we contact Ettus/NI for
warranty?
Thanks for your help,
Bas Denissen
bdenissen@mtebas:~/projects/uh$ uhd_usrp_probe
[INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100;
UHD_3.15.0.0-2build5
[INFO] [B200] Detected Device: B200
[INFO] [B200] Operating over USB 3.
[INFO] [B200] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: GPSTCXO, Firmware Rev 0.929b
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[INFO] [B200] Setting master clock rate selection to 'automatic'.
[INFO] [B200] Asking for clock rate 16.000000 MHz...
[INFO] [B200] Actually got clock rate 16.000000 MHz.
_____________________________________________________
/
| Device: B-Series Device
| _____________________________________________________
| /
| | Mboard: B200
| | serial: 326BD95
| | name: MyB200
| | product: 1
| | revision: 5
| | FW Version: 8.0
| | FPGA Version: 16.0
| |
| | Time sources: none, internal, external, gpsdo
| | Clock sources: internal, external, gpsdo
| | Sensors: gps_gpgga, gps_gprmc, gps_time, gps_locked, gps_servo,
ref_locked
| | _____________________________________________________
| | /
| | | RX DSP: 0
| | |
| | | Freq range: -8.000 to 8.000 MHz
| | _____________________________________________________
| | /
| | | RX Dboard: A
| | | _____________________________________________________
| | | /
| | | | RX Frontend: A
| | | | Name: FE-RX1
| | | | Antennas: TX/RX, RX2
| | | | Sensors: temp, rssi, lo_locked
| | | | Freq range: 50.000 to 6000.000 MHz
| | | | Gain range PGA: 0.0 to 76.0 step 1.0 dB
| | | | Bandwidth range: 200000.0 to 56000000.0 step 0.0 Hz
| | | | Connection Type: IQ
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | RX Codec: A
| | | | Name: B200 RX dual ADC
| | | | Gain Elements: None
| | _____________________________________________________
| | /
| | | TX DSP: 0
| | |
| | | Freq range: -8.000 to 8.000 MHz
| | _____________________________________________________
| | /
| | | TX Dboard: A
| | | _____________________________________________________
| | | /
| | | | TX Frontend: A
| | | | Name: FE-TX1
| | | | Antennas: TX/RX
| | | | Sensors: temp, lo_locked
| | | | Freq range: 50.000 to 6000.000 MHz
| | | | Gain range PGA: 0.0 to 89.8 step 0.2 dB
| | | | Bandwidth range: 200000.0 to 56000000.0 step 0.0 Hz
| | | | Connection Type: IQ
| | | | Uses LO offset: No
| | | _____________________________________________________
| | | /
| | | | TX Codec: A
| | | | Name: B200 TX dual DAC
| | | | Gain Elements: None
bdenissen@mtebas:~/projects/uh$ /usr/lib/uhd/utils/query_gpsdo_sensors
Creating the USRP device with: ...
[INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100;
UHD_3.15.0.0-2build5
[WARNING] [UHD] Unable to set the thread priority. Performance may be
negatively affected.
Please see the general application notes in the manual for instructions.
EnvironmentError: OSError: error in pthread_setschedparam
[INFO] [B200] Detected Device: B200
[INFO] [B200] Operating over USB 3.
[INFO] [B200] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: GPSTCXO, Firmware Rev 0.929b
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[INFO] [B200] Setting master clock rate selection to 'automatic'.
[INFO] [B200] Asking for clock rate 16.000000 MHz...
[INFO] [B200] Actually got clock rate 16.000000 MHz.
Using Device: Single USRP:
Device: B-Series Device
Mboard 0: B200
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: FE-RX1
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: FE-TX1
Setting the reference clock source to "gpsdo"...
Clock source is now gpsdo
Setting the reference clock source to "gpsdo"...
Time source is now gpsdo
Waiting for ref_locked....USRP Locked to Reference.
**************************************Helpful Notes on Clock/PPS
Selection**************************************
As you can see, the default 10 MHz Reference and 1 PPS signals are now
from the GPSDO.
If you would like to use the internal reference(TCXO) in other
applications, you must configure that explicitly.
****************************************************************************************************************
Waiting for the GPSDO to warm up...
The GPSDO is warmed up and talking.
GPS does not have lock. Wait a few minutes and try again.
NMEA strings and device time may not be accurate until lock is achieved.
Trying to align the device time to GPS time...
Could not align UHD Device time to GPS time. Giving up.
last_pps: 1136073602 vs gps: 1136073600.
Printing available NMEA strings:
GPS_GPGGA:
$GPGGA,000000.00,0000.0000,N,00000.0000,E,0,00,100.0,0.0,M,0.0,M,,*5C
GPS_GPRMC: $GPRMC,000000.00,V,0000.0000,N,00000.0000,E,0.0,0.0,010106,,*22
GPS Epoch time at last PPS: 1136073600.00000 seconds
UHD Device time last PPS: 1136073603.00000 seconds
UHD Device time right now: 1136073603.01326 seconds
PC Clock time: 1671626326 seconds
Done!
#!/bin/env python3
import sys
#sys.path.append('/usr/local/lib/python3/dist-packages')
import uhd
import time
usrp = uhd.usrp.MultiUSRP("type=b200")
usrp.set_clock_source('gpsdo')
usrp.set_time_source('gpsdo')
while True:
data = {}
for sn in ('gps_locked', 'gps_time', 'ref_locked'):
data[sn] = usrp.get_mboard_sensor(sn).value
print()
print(time.ctime(), data)
time.sleep(1)
bdenissen@mtebas:~/projects/uh$ UHD_LOG_CONSOLE_LEVEL=debug ./uh.py
[INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100; UHD_3.15.0.0-2build5
[DEBUG] [B200] the firmware image: /home/bdenissen/projects/uh/usrp_b200_fw.hex
[DEBUG] [PREFS] Loaded system config file /etc/uhd/uhd.conf
[DEBUG] [PREFS] Loaded user config file /home/bdenissen/.uhd/uhd.conf
[INFO] [B200] Detected Device: B200
[INFO] [B200] Operating over USB 3.
[INFO] [B200] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: GPSTCXO, Firmware Rev 0.929b
[WARNING] [GPS] update_cache: Malformed GPSDO string: GPSTCXO, Firmware Rev 0.929b
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[DEBUG] [AD936X] baseband bandwidth too large for current sample rate. Setting bandwidth to: 5e+07
[DEBUG] [AD936X] baseband bandwidth too large for current sample rate. Setting bandwidth to: 5e+07
[DEBUG] [AD936X] baseband bandwidth too large for current sample rate. Setting bandwidth to: 5e+07
[DEBUG] [AD936X] baseband bandwidth too large for current sample rate. Setting bandwidth to: 5e+07
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[DEBUG] [AD936X] Performing CODEC loopback test...
[DEBUG] [AD936X] CODEC loopback test passed.
[INFO] [B200] Setting master clock rate selection to 'automatic'.
[INFO] [B200] Asking for clock rate 16.000000 MHz...
[INFO] [B200] Actually got clock rate 16.000000 MHz.
[DEBUG] [CORES] Performing timer loopback test...
[DEBUG] [CORES] Timer loopback test passed.
Wed Jan 4 14:38:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:38:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:39:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:40:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:02 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:41:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:49 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:51 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:53 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:55 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:57 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:42:59 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:01 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:03 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:05 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:07 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:09 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:11 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:13 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:15 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:17 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:19 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:21 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:23 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:25 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:27 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:29 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:31 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:33 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:35 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:37 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:39 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:41 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:43:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:44:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:45:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:46:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:24 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:26 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:28 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:30 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:32 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:34 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:36 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:47:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:18 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:20 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:22 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:24 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:26 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:28 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:30 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:32 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:34 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:36 2023 {'gps_locked': 'true', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:38 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:40 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:42 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:44 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:46 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:48 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:50 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:52 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:54 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:56 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:48:58 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:00 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:02 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:04 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:06 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:08 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:10 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:12 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:14 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
Wed Jan 4 14:49:16 2023 {'gps_locked': 'false', 'gps_time': '1672837513', 'ref_locked': 'true'}
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