EX-1 Field Test

167 Posts

#1 · August 30, 2024, 2:51 pm

Quote from GPSWebShop Official on August 30, 2024, 2:51 pm

1. RTK Mode - Static Testing

Objective: Evaluate whether the positioning accuracy of the EX-1 in a stationary position meets the nominal value.
Duration: 1 hour | Update Rate: 1 Hz | Date: UTC 2024-07-24 15:37:16 ~ 16:37:15
Method: The receiving antenna was completely stationary, collecting 3,600 continuous track points to calculate the CEP value based on the average position.
Conditions: Conducted on a rooftop with open sky, approximately 100 meters RTK baseline distance.
Click to download the original data recorded by the EX-1>

Conclusion: The CEP (50%) accuracy was 0.002633m, exceeding the nominal value of 0.01m. This means that half of the positioning points fell within a circle centered on the average position, with a radius of 0.002633m. The CEP (100%) accuracy also achieved an excellent 0.010303m.

2. RTK Mode - Dynamic Testing

Objective: Evaluate the positioning accuracy of the EX-1 during movement.
Duration: 96 seconds | Update Rate: 1 Hz | Date: UTC 2024-07-24 20:55:09 ~ 20:56:44 | Laps: 1 lap
Method: The phase center of the antenna was placed at the edge of a disk with a diameter of only 40 cm, rotating at a speed of approximately 90 seconds per lap (linear speed of about 1.4 cm/second).
Conditions: Conducted on a rooftop with open sky, approximately 100 meters RTK baseline distance.
Click to download the original data recorded by the EX-1>

The left and right images were recorded synchronously during the test.

Conclusion: Recording ultra-low-speed motion tracks presents significant challenges for RTK devices. In this test, the EX-1's motion track coincided with a circle of 20 cm radius in the target diagram, confirming the disk's radius as 20 cm.

3. RTK Mode - Dynamic Stability Testing

Objective: Evaluate the tracking accuracy of the EX-1 during movement.
Duration: 927 seconds | Update Rate: 1 Hz | Test Time: UTC 2024-07-22 16:36:09 ~ 16:51:35 | Laps: 10 laps
Method: Same as the "Dynamic Testing," recording the track over ten continuous laps.
Conditions: Same as the "Dynamic Testing."
Click to download the original data recorded by the EX-1>

The above image shows a close-up of the track (1 cm/div).

Conclusion: The consistency of the track during continuous laps was excellent, with a width maintained at around 1 cm throughout.

4. SBAS Mode - Stand-alone Static Testing

Objective: Evaluate whether the positioning accuracy of the EX-1 in a stationary position meets the nominal value.
Duration: 1 hour | Update Rate: 1 Hz | Date: UTC 2024-08-22 23:16:06 ~ 2024-08-23 00:16:05
Method: The receiving antenna was completely stationary, collecting 3,600 continuous track points to calculate the CEP value based on the average position.
Conditions: Conducted on a rooftop with open sky, achieve differential satellite positioning throughout.
Click to download the original data recorded by the EX-1>

Conclusion: The CEP (50%) accuracy was 0.240130m, exceeding the nominal value of 0.3m.

1. RTK Mode - Static Testing

Objective: Evaluate whether the positioning accuracy of the EX-1 in a stationary position meets the nominal value.
Duration: 1 hour | Update Rate: 1 Hz | Date: UTC 2024-07-24 15:37:16 ~ 16:37:15
Method: The receiving antenna was completely stationary, collecting 3,600 continuous track points to calculate the CEP value based on the average position.
Conditions: Conducted on a rooftop with open sky, approximately 100 meters RTK baseline distance.
Click to download the original data recorded by the EX-1>

Conclusion: The CEP (50%) accuracy was 0.002633m, exceeding the nominal value of 0.01m. This means that half of the positioning points fell within a circle centered on the average position, with a radius of 0.002633m. The CEP (100%) accuracy also achieved an excellent 0.010303m.

2. RTK Mode - Dynamic Testing

Objective: Evaluate the positioning accuracy of the EX-1 during movement.
Duration: 96 seconds | Update Rate: 1 Hz | Date: UTC 2024-07-24 20:55:09 ~ 20:56:44 | Laps: 1 lap
Method: The phase center of the antenna was placed at the edge of a disk with a diameter of only 40 cm, rotating at a speed of approximately 90 seconds per lap (linear speed of about 1.4 cm/second).
Conditions: Conducted on a rooftop with open sky, approximately 100 meters RTK baseline distance.
Click to download the original data recorded by the EX-1>

The left and right images were recorded synchronously during the test.

Conclusion: Recording ultra-low-speed motion tracks presents significant challenges for RTK devices. In this test, the EX-1's motion track coincided with a circle of 20 cm radius in the target diagram, confirming the disk's radius as 20 cm.

3. RTK Mode - Dynamic Stability Testing

Objective: Evaluate the tracking accuracy of the EX-1 during movement.
Duration: 927 seconds | Update Rate: 1 Hz | Test Time: UTC 2024-07-22 16:36:09 ~ 16:51:35 | Laps: 10 laps
Method: Same as the "Dynamic Testing," recording the track over ten continuous laps.
Conditions: Same as the "Dynamic Testing."
Click to download the original data recorded by the EX-1>


	The above image shows a close-up of the track (1 cm/div).

Conclusion: The consistency of the track during continuous laps was excellent, with a width maintained at around 1 cm throughout.

4. SBAS Mode - Stand-alone Static Testing

Objective: Evaluate whether the positioning accuracy of the EX-1 in a stationary position meets the nominal value.
Duration: 1 hour | Update Rate: 1 Hz | Date: UTC 2024-08-22 23:16:06 ~ 2024-08-23 00:16:05
Method: The receiving antenna was completely stationary, collecting 3,600 continuous track points to calculate the CEP value based on the average position.
Conditions: Conducted on a rooftop with open sky, achieve differential satellite positioning throughout.
Click to download the original data recorded by the EX-1>

Conclusion: The CEP (50%) accuracy was 0.240130m, exceeding the nominal value of 0.3m.

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[post_name] => how-to-connect-a-gnss-receiver-to-windows-maps-or-windows-location-service [name] => GPS / GNSS by Windows [object_id] => 15 [term_id] => 33 ) [27] => stdClass Object ( [ID] => 19 [slug] => gps-gnss-by-windows [date] => 2022-05-04 [post_status] => publish [post_type] => post [post_date] => 2022-05-04 15:21:00 [post_author] => 2 [post_title] => How to connect a GPS/GNSS Receiver to Google Earth on Windows? [post_name] => how-to-connect-a-gps-gnss-receiver-to-google-earth-on-windows [name] => GPS / GNSS by Windows [object_id] => 19 [term_id] => 33 ) [28] => stdClass Object ( [ID] => 508 [slug] => rtk-gnss-receiver [date] => 2021-10-20 [post_status] => publish [post_type] => post [post_date] => 2021-10-20 21:12:00 [post_author] => 2 [post_title] => How to Connect a USB/Bluetooth RTK GNSS Receiver to Windows? (Accessing NTRIP Through an Android Phone's Internet Connection) [post_name] => how-to-connect-a-usb-bluetooth-rtk-gnss-receiver-to-windows-accessing-ntrip-through-an-android-phones-internet-connection [name] => RTK GNSS Receiver [object_id] => 508 [term_id] => 14 ) [29] => stdClass Object ( [ID] => 508 [slug] => gps-gnss-by-windows [date] => 2021-10-20 [post_status] => publish [post_type] => post [post_date] => 2021-10-20 21:12:00 [post_author] => 2 [post_title] => How to Connect a USB/Bluetooth RTK GNSS Receiver to Windows? (Accessing NTRIP Through an Android Phone's Internet Connection) [post_name] => how-to-connect-a-usb-bluetooth-rtk-gnss-receiver-to-windows-accessing-ntrip-through-an-android-phones-internet-connection [name] => GPS / GNSS by Windows [object_id] => 508 [term_id] => 33 ) [30] => stdClass Object ( [ID] => 21 [slug] => gps-gnss-by-linux [date] => 2021-06-13 [post_status] => publish [post_type] => post [post_date] => 2021-06-13 15:22:00 [post_author] => 2 [post_title] => How to connect an usb GPS receiver to a Linux computer? [post_name] => how-to-connect-an-usb-gps-receiver-to-a-linux-computer [name] => GPS / GNSS by Linux [object_id] => 21 [term_id] => 37 ) [31] => stdClass Object ( [ID] => 713 [slug] => gps-gnss-by-linux [date] => 2021-06-14 [post_status] => publish [post_type] => post [post_date] => 2021-06-14 10:10:00 [post_author] => 2 [post_title] => How to connect an usb GPS receiver with a Raspberry PI? [post_name] => how-to-connect-an-usb-gps-receiver-with-a-raspberry-pi [name] => GPS / GNSS by Linux [object_id] => 713 [term_id] => 37 ) [32] => stdClass Object ( [ID] => 355 [slug] => gps-gnss-by-android [date] => 2021-05-17 [post_status] => publish [post_type] => post [post_date] => 2021-05-17 14:34:00 [post_author] => 2 [post_title] => How to connect an USB GPS receiver with an Android Device? [post_name] => how-to-connect-an-usb-gps-receiver-with-an-android-device [name] => GPS / GNSS by Android [object_id] => 355 [term_id] => 35 ) [33] => stdClass Object ( [ID] => 17 [slug] => gps-gnss-by-windows [date] => 2021-04-18 [post_status] => publish [post_type] => post [post_date] => 2021-04-18 15:20:00 [post_author] => 2 [post_title] => How to connect GNSS200L / GNSS100L USB GNSS Receiver to Windows Maps (or Windows Location Service)? [post_name] => how-to-connect-gnss200l-gnss100l-usb-gnss-receiver-to-windows-maps-or-windows-location-service [name] => GPS / GNSS by Windows [object_id] => 17 [term_id] => 33 ) [34] => stdClass Object ( [ID] => 2145 [slug] => rtk-portable-base-station [date] => 2023-12-01 [post_status] => publish [post_type] => post [post_date] => 2023-12-01 10:57:16 [post_author] => 2 [post_title] => How to Connect Your RTK Base to Ardupilot Mission Planner [post_name] => how-to-connect-your-rtk-base-to-ardupilot-mission-planner [name] => RTK Portable Base Station [object_id] => 2145 [term_id] => 42 ) [35] => stdClass Object ( [ID] => 689 [slug] => sub-meter-gps-gnss [date] => 2019-06-24 [post_status] => publish [post_type] => post [post_date] => 2019-06-24 15:32:00 [post_author] => 2 [post_title] => How to enable SBAS for Columbus P-7 Pro? [post_name] => how-to-enable-sbas-for-columbus-p-7-pro [name] => Sub-Meter GPS / GNSS [object_id] => 689 [term_id] => 6 ) [36] => stdClass Object ( [ID] => 393 [slug] => rtk-fix-base-station [date] => 2024-02-25 [post_status] => publish [post_type] => post [post_date] => 2024-02-25 13:06:00 [post_author] => 2 [post_title] => How to obtain a highly accurate coordinate for your RTK base station using PPP method? [post_name] => how-to-obtain-a-highly-accurate-coordinate-for-your-rtk-base-station [name] => RTK Fix Base Station [object_id] => 393 [term_id] => 9 ) [37] => stdClass Object ( [ID] => 410 [slug] => rtk-ntrip [date] => 2022-12-25 [post_status] => publish [post_type] => post [post_date] => 2022-12-25 21:33:00 [post_author] => 2 [post_title] => How to set up a free internet NTRIP caster mount point? [post_name] => how-to-set-up-a-free-internet-ntrip-caster-mount-point [name] => RTK NTRIP [object_id] => 410 [term_id] => 11 ) [38] => stdClass Object ( [ID] => 2197 [slug] => rtk-gnss-receiver [date] => 2023-12-02 [post_status] => publish [post_type] => post [post_date] => 2023-12-02 15:00:36 [post_author] => 2 [post_title] => How to Set Up the GeoAstra X8-M1 Bluetooth GNSS receiver as an RTK Rover on Android Using the "Bluetooth GNSS" App? [post_name] => how-to-set-up-the-geoastra-x8-m1-bluetooth-gnss-receiver-as-an-rtk-rover-on-android-using-the-bluetooth-gnss-app [name] => RTK GNSS Receiver [object_id] => 2197 [term_id] => 14 ) [39] => stdClass Object ( [ID] => 2197 [slug] => gps-gnss-by-android [date] => 2023-12-02 [post_status] => publish [post_type] => post [post_date] => 2023-12-02 15:00:36 [post_author] => 2 [post_title] => How to Set Up the GeoAstra X8-M1 Bluetooth GNSS receiver as an RTK Rover on Android Using the "Bluetooth GNSS" App? [post_name] => how-to-set-up-the-geoastra-x8-m1-bluetooth-gnss-receiver-as-an-rtk-rover-on-android-using-the-bluetooth-gnss-app [name] => GPS / GNSS by Android [object_id] => 2197 [term_id] => 35 ) [40] => stdClass Object ( [ID] => 2124 [slug] => rtk-gnss-receiver [date] => 2023-12-02 [post_status] => publish [post_type] => post [post_date] => 2023-12-02 15:00:30 [post_author] => 2 [post_title] => How to Set Up the GeoAstra X8-M1 Bluetooth GNSS receiver as an RTK Rover on Android Using the ByCenter App? [post_name] => how-to-set-up-the-geoastra-x8-m1-bluetooth-gnss-receiver-as-an-rtk-rover-on-android-using-the-bycenter-app [name] => RTK GNSS Receiver [object_id] => 2124 [term_id] => 14 ) [41] => stdClass Object ( [ID] => 2124 [slug] => gps-gnss-by-android [date] => 2023-12-02 [post_status] => publish [post_type] => post [post_date] => 2023-12-02 15:00:30 [post_author] => 2 [post_title] => How to Set Up the GeoAstra X8-M1 Bluetooth GNSS receiver as an RTK Rover on Android Using the ByCenter App? [post_name] => how-to-set-up-the-geoastra-x8-m1-bluetooth-gnss-receiver-as-an-rtk-rover-on-android-using-the-bycenter-app [name] => GPS / GNSS by Android [object_id] => 2124 [term_id] => 35 ) [42] => stdClass Object ( [ID] => 369 [slug] => rtk-fix-base-station [date] => 2022-12-24 [post_status] => publish [post_type] => post [post_date] => 2022-12-24 18:16:00 [post_author] => 2 [post_title] => How to setup an RTK Base station using a USB / Bluetooth RTK GNSS Receiver? [post_name] => how-to-setup-an-rtk-base-station-using-a-rtk-gnss-receiver [name] => RTK Fix Base Station [object_id] => 369 [term_id] => 9 ) [43] => stdClass Object ( [ID] => 438 [slug] => rtk-gnss-receiver [date] => 2021-10-18 [post_status] => publish [post_type] => post [post_date] => 2021-10-18 10:28:00 [post_author] => 2 [post_title] => How to use a RTK GNSS Receiver for Android: A Step-by-Step Guide [post_name] => how-to-use-a-rtk-gnss-receiver-for-android-a-step-by-step-guide [name] => RTK GNSS Receiver [object_id] => 438 [term_id] => 14 ) [44] => stdClass Object ( [ID] => 438 [slug] => gps-gnss-by-android [date] => 2021-10-18 [post_status] => publish [post_type] => post [post_date] => 2021-10-18 10:28:00 [post_author] => 2 [post_title] => How to use a RTK GNSS Receiver for Android: A Step-by-Step Guide [post_name] => how-to-use-a-rtk-gnss-receiver-for-android-a-step-by-step-guide [name] => GPS / GNSS by Android [object_id] => 438 [term_id] => 35 ) [45] => stdClass Object ( [ID] => 1581 [slug] => rtk-base-station [date] => 2024-02-24 [post_status] => publish [post_type] => post [post_date] => 2024-02-24 23:23:52 [post_author] => 2 [post_title] => Navisys GR-903, GR-9028, and GR-9029 side-by-side comparison table [post_name] => navisys-gr-903-gr-9028-and-gr-9029-side-by-side-comparison-table [name] => RTK Base Station [object_id] => 1581 [term_id] => 8 ) [46] => stdClass Object ( [ID] => 1581 [slug] => rtk-gnss-logger [date] => 2024-02-24 [post_status] => publish [post_type] => post [post_date] => 2024-02-24 23:23:52 [post_author] => 2 [post_title] => Navisys GR-903, GR-9028, and GR-9029 side-by-side comparison table [post_name] => navisys-gr-903-gr-9028-and-gr-9029-side-by-side-comparison-table [name] => RTK GNSS logger [object_id] => 1581 [term_id] => 13 ) [47] => stdClass Object ( [ID] => 1581 [slug] => rtk-gnss-receiver [date] => 2024-02-24 [post_status] => publish [post_type] => post [post_date] => 2024-02-24 23:23:52 [post_author] => 2 [post_title] => Navisys GR-903, GR-9028, and GR-9029 side-by-side comparison table [post_name] => navisys-gr-903-gr-9028-and-gr-9029-side-by-side-comparison-table [name] => RTK GNSS Receiver [object_id] => 1581 [term_id] => 14 ) [48] => stdClass Object ( [ID] => 901 [slug] => rtk-ntrip [date] => 2023-11-10 [post_status] => publish [post_type] => post [post_date] => 2023-11-10 09:30:40 [post_author] => 2 [post_title] => NTRIP Casters in the Real World [post_name] => ntrip-casters-in-the-current-real-world [name] => RTK NTRIP [object_id] => 901 [term_id] => 11 ) [49] => stdClass Object ( [ID] => 886 [slug] => rtk-technology [date] => 2023-11-25 [post_status] => publish [post_type] => post [post_date] => 2023-11-25 11:00:31 [post_author] => 2 [post_title] => NTRIP RTK products buyers' guide [post_name] => ntrip-rtk-products-buyers-guide [name] => RTK GNSS [object_id] => 886 [term_id] => 32 ) [50] => stdClass Object ( [ID] => 1855 [slug] => ppk-technology [date] => 2024-08-27 [post_status] => publish [post_type] => post [post_date] => 2024-08-27 22:04:50 [post_author] => 2 [post_title] => PPK (Post-Processed Kinematic) by using the Columbus EX-1 GNSS Data Logger [post_name] => ppk-post-processed-kinematic-by-using-the-columbus-ex-1-gnss-data-logger [name] => PPK [object_id] => 1855 [term_id] => 48 ) [51] => stdClass Object ( [ID] => 2007 [slug] => rtk-fix-base-station [date] => 2024-02-25 [post_status] => publish [post_type] => post [post_date] => 2024-02-25 13:07:49 [post_author] => 2 [post_title] => RTK / PPK Base Station Accuracy: Long-Duration Survey-In vs. PPP (Precise Point Positioning) [post_name] => rtk-ppk-base-station-accuracy-long-duration-survey-in-vs-ppp-precise-point-positioning [name] => RTK Fix Base Station [object_id] => 2007 [term_id] => 9 ) [52] => stdClass Object ( [ID] => 2007 [slug] => ppk-technology [date] => 2024-02-25 [post_status] => publish [post_type] => post [post_date] => 2024-02-25 13:07:49 [post_author] => 2 [post_title] => RTK / PPK Base Station Accuracy: Long-Duration Survey-In vs. PPP (Precise Point Positioning) [post_name] => rtk-ppk-base-station-accuracy-long-duration-survey-in-vs-ppp-precise-point-positioning [name] => PPK [object_id] => 2007 [term_id] => 48 ) [53] => stdClass Object ( [ID] => 1117 [slug] => rtk-ntrip [date] => 2023-08-26 [post_status] => publish [post_type] => post [post_date] => 2023-08-26 16:31:45 [post_author] => 2 [post_title] => Setting Up a Free NTRIP client with RTKLib’s STRSVR [post_name] => setting-up-a-free-ntrip-client-with-rtklibs-strsvr [name] => RTK NTRIP [object_id] => 1117 [term_id] => 11 ) [54] => stdClass Object ( [ID] => 1117 [slug] => rtk-gnss-receiver [date] => 2023-08-26 [post_status] => publish [post_type] => post [post_date] => 2023-08-26 16:31:45 [post_author] => 2 [post_title] => Setting Up a Free NTRIP client with RTKLib’s STRSVR [post_name] => setting-up-a-free-ntrip-client-with-rtklibs-strsvr [name] => RTK GNSS Receiver [object_id] => 1117 [term_id] => 14 ) [55] => stdClass Object ( [ID] => 1117 [slug] => rtk-software [date] => 2023-08-26 [post_status] => publish [post_type] => post [post_date] => 2023-08-26 16:31:45 [post_author] => 2 [post_title] => Setting Up a Free NTRIP client with RTKLib’s STRSVR [post_name] => setting-up-a-free-ntrip-client-with-rtklibs-strsvr [name] => RTK Software [object_id] => 1117 [term_id] => 46 ) [56] => stdClass Object ( [ID] => 1075 [slug] => rtk-fix-base-station [date] => 2023-11-26 [post_status] => publish [post_type] => post [post_date] => 2023-11-26 14:54:02 [post_author] => 2 [post_title] => Setting Up a Free NTRIP Server with RTKLib's STRSVR [post_name] => setting-up-a-free-ntrip-server-with-rtklibs-strsvr [name] => RTK Fix Base Station [object_id] => 1075 [term_id] => 9 ) [57] => stdClass Object ( [ID] => 1075 [slug] => rtk-ntrip [date] => 2023-11-26 [post_status] => publish [post_type] => post [post_date] => 2023-11-26 14:54:02 [post_author] => 2 [post_title] => Setting Up a Free NTRIP Server with RTKLib's STRSVR [post_name] => setting-up-a-free-ntrip-server-with-rtklibs-strsvr [name] => RTK NTRIP [object_id] => 1075 [term_id] => 11 ) [58] => stdClass Object ( [ID] => 1075 [slug] => rtk-software [date] => 2023-11-26 [post_status] => publish [post_type] => post [post_date] => 2023-11-26 14:54:02 [post_author] => 2 [post_title] => Setting Up a Free NTRIP Server with RTKLib's STRSVR [post_name] => setting-up-a-free-ntrip-server-with-rtklibs-strsvr [name] => RTK Software [object_id] => 1075 [term_id] => 46 ) [59] => stdClass Object ( [ID] => 1220 [slug] => rtk-base-station [date] => 2023-11-09 [post_status] => publish [post_type] => post [post_date] => 2023-11-09 23:58:46 [post_author] => 2 [post_title] => Setting Up the ByNav C2-M2X RTK GNSS Module as Either an RTK Base or Rover [post_name] => setting-up-the-bynav-c2-m2x-rtk-gnss-module-as-either-an-rtk-base-or-rover [name] => RTK Base Station [object_id] => 1220 [term_id] => 8 ) [60] => stdClass Object ( [ID] => 1220 [slug] => rtk-fix-base-station [date] => 2023-11-09 [post_status] => publish [post_type] => post [post_date] => 2023-11-09 23:58:46 [post_author] => 2 [post_title] => Setting Up the ByNav C2-M2X RTK GNSS Module as Either an RTK Base or Rover [post_name] => setting-up-the-bynav-c2-m2x-rtk-gnss-module-as-either-an-rtk-base-or-rover [name] => RTK Fix Base Station [object_id] => 1220 [term_id] => 9 ) [61] => stdClass Object ( [ID] => 1220 [slug] => rtk-rover [date] => 2023-11-09 [post_status] => publish [post_type] => post [post_date] => 2023-11-09 23:58:46 [post_author] => 2 [post_title] => Setting Up the ByNav C2-M2X RTK GNSS Module as Either an RTK Base or Rover [post_name] => setting-up-the-bynav-c2-m2x-rtk-gnss-module-as-either-an-rtk-base-or-rover [name] => RTK Rover [object_id] => 1220 [term_id] => 12 ) [62] => stdClass Object ( [ID] => 1220 [slug] => rtk-gnss-receiver [date] => 2023-11-09 [post_status] => publish [post_type] => post [post_date] => 2023-11-09 23:58:46 [post_author] => 2 [post_title] => Setting Up the ByNav C2-M2X RTK GNSS Module as Either an RTK Base or Rover [post_name] => setting-up-the-bynav-c2-m2x-rtk-gnss-module-as-either-an-rtk-base-or-rover [name] => RTK GNSS Receiver [object_id] => 1220 [term_id] => 14 ) [63] => stdClass Object ( [ID] => 1361 [slug] => rtk-gnss-logger [date] => 2023-12-15 [post_status] => publish [post_type] => post [post_date] => 2023-12-15 11:43:42 [post_author] => 2 [post_title] => Stakeouts with Navisys GR-9029 RTK GNSS [post_name] => stakeouts-with-the-navisys-gr-9029-rtk-gnss [name] => RTK GNSS logger [object_id] => 1361 [term_id] => 13 ) [64] => stdClass Object ( [ID] => 1134 [slug] => rtk-ntrip [date] => 2023-11-27 [post_status] => publish [post_type] => post [post_date] => 2023-11-27 17:35:51 [post_author] => 2 [post_title] => The Free NTRIP Caster from GPSWebShop / CanadaGPS [post_name] => the-free-ntrip-caster-from-gpswebshop [name] => RTK NTRIP [object_id] => 1134 [term_id] => 11 ) [65] => stdClass Object ( [ID] => 687 [slug] => sub-meter-gps-gnss [date] => 2019-06-24 [post_status] => publish [post_type] => post [post_date] => 2019-06-24 15:10:00 [post_author] => 2 [post_title] => The most detailed explanation of P-10 Pro accuracy. [post_name] => the-most-detailed-explanation-of-p-10-pro-accuracy [name] => Sub-Meter GPS / GNSS [object_id] => 687 [term_id] => 6 ) [66] => stdClass Object ( [ID] => 700 [slug] => sub-meter-gps-gnss [date] => 2022-08-24 [post_status] => publish [post_type] => post [post_date] => 2022-08-24 15:59:00 [post_author] => 2 [post_title] => The static drift filter of Columbus P-7 Pro. [post_name] => the-static-drift-filter-of-columbus-p-7-pro [name] => Sub-Meter GPS / GNSS [object_id] => 700 [term_id] => 6 ) [67] => stdClass Object ( [ID] => 555 [slug] => gps-gnss-by-windows [date] => 2021-10-18 [post_status] => publish [post_type] => post [post_date] => 2021-10-18 14:32:00 [post_author] => 2 [post_title] => Uninstall "Windows Location Sensor": A Step-by-Step Guide [post_name] => uninstall-windows-location-sensor-a-step-by-step-guide [name] => GPS / GNSS by Windows [object_id] => 555 [term_id] => 33 ) [68] => stdClass Object ( [ID] => 854 [slug] => rtk-ntrip [date] => 2023-08-09 [post_status] => publish [post_type] => post [post_date] => 2023-08-09 09:59:29 [post_author] => 2 [post_title] => User Guide - Setting Up GR-9028 Portable RTK Base (with Android phone or tablet) [post_name] => instructions-for-setting-up-gr-9028-portable-rtk-base-with-android-phone-or-tablet [name] => RTK NTRIP [object_id] => 854 [term_id] => 11 ) [69] => stdClass Object ( [ID] => 811 [slug] => rtk-portable-base-station [date] => 2023-08-08 [post_status] => publish [post_type] => post [post_date] => 2023-08-08 13:25:46 [post_author] => 2 [post_title] => User Guide - Setting Up GR-9028 Portable RTK Base (with iPhone/iPad) [post_name] => instructions-for-setting-up-gr-9028-portable-rtk-base-with-iphone-ipad [name] => RTK Portable Base Station [object_id] => 811 [term_id] => 42 ) [70] => stdClass Object ( [ID] => 984 [slug] => rtk-gnss-logger [date] => 2023-08-08 [post_status] => publish [post_type] => post [post_date] => 2023-08-08 19:36:56 [post_author] => 2 [post_title] => User Guide - Setting Up GR-9029 RTK GNSS Data Logger (with Android phone or tablet) [post_name] => user-guide-setting-up-gr-9029-rtk-gnss-data-logger-with-android-phone-or-tablet [name] => RTK GNSS logger [object_id] => 984 [term_id] => 13 ) [71] => stdClass Object ( [ID] => 954 [slug] => rtk-gnss-logger [date] => 2023-08-09 [post_status] => publish [post_type] => post [post_date] => 2023-08-09 16:09:23 [post_author] => 2 [post_title] => User Guide - Setting Up GR-9029 RTK GNSS Data Logger (with iPhone/iPad) [post_name] => user-guide-setting-up-gr-9029-rtk-gnss-data-logger-with-iphone-ipad [name] => RTK GNSS logger [object_id] => 954 [term_id] => 13 ) [72] => stdClass Object ( [ID] => 1508 [slug] => rtk-gnss-logger [date] => 2024-02-25 [post_status] => publish [post_type] => post [post_date] => 2024-02-25 13:02:43 [post_author] => 2 [post_title] => User Guide – How to Set Up GR-903 as a RTK GNSS Data logger Using the "SPPRTK" Android App? 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[post_name] => user-guide-how-to-set-up-gr-903-as-rtk-base-station-and-ntrip-server-using-the-spprtk-android-app [name] => RTK Portable Base Station [object_id] => 1463 [term_id] => 42 ) [77] => stdClass Object ( [ID] => 537 [slug] => rtk-gnss-receiver [date] => 2021-10-18 [post_status] => publish [post_type] => post [post_date] => 2021-10-18 13:17:00 [post_author] => 2 [post_title] => Utilizing a RTK GNSS Receiver for Linux: A Step-by-Step Guide [post_name] => utilizing-a-rtk-gnss-receiver-for-linux-a-step-by-step-guide [name] => RTK GNSS Receiver [object_id] => 537 [term_id] => 14 ) [78] => stdClass Object ( [ID] => 550 [slug] => rtk-gnss-logger [date] => 2020-10-18 [post_status] => publish [post_type] => post [post_date] => 2020-10-18 14:00:00 [post_author] => 2 [post_title] => Utilizing a USB/Bluetooth RTK GNSS Receiver for High Accuracy Data Logging: A Step-by-Step Guide [post_name] => utilizing-a-usb-bluetooth-rtk-gnss-receiver-for-high-accuracy-data-logging-a-step-by-step-guide [name] => RTK GNSS logger [object_id] => 550 [term_id] => 13 ) [79] => stdClass Object ( [ID] => 550 [slug] => rtk-gnss-receiver [date] => 2020-10-18 [post_status] => publish [post_type] => post [post_date] => 2020-10-18 14:00:00 [post_author] => 2 [post_title] => Utilizing a USB/Bluetooth RTK GNSS Receiver for High Accuracy Data Logging: A Step-by-Step Guide [post_name] => utilizing-a-usb-bluetooth-rtk-gnss-receiver-for-high-accuracy-data-logging-a-step-by-step-guide [name] => RTK GNSS Receiver [object_id] => 550 [term_id] => 14 ) [80] => stdClass Object ( [ID] => 488 [slug] => rtk-gnss-receiver [date] => 2021-10-20 [post_status] => publish [post_type] => post [post_date] => 2021-10-20 11:38:00 [post_author] => 2 [post_title] => Utilizing a USB/Bluetooth RTK GNSS Receiver with a Windows 10/11 Laptop: A Step-by-Step Guide [post_name] => utilizing-a-usb-bluetooth-rtk-gnss-receiver-with-a-windows-10-11-laptop-a-step-by-step-guide [name] => RTK GNSS Receiver [object_id] => 488 [term_id] => 14 ) [81] => stdClass Object ( [ID] => 488 [slug] => gps-gnss-by-windows [date] => 2021-10-20 [post_status] => publish [post_type] => post [post_date] => 2021-10-20 11:38:00 [post_author] => 2 [post_title] => Utilizing a USB/Bluetooth RTK GNSS Receiver with a Windows 10/11 Laptop: A Step-by-Step Guide [post_name] => utilizing-a-usb-bluetooth-rtk-gnss-receiver-with-a-windows-10-11-laptop-a-step-by-step-guide [name] => GPS / GNSS by Windows [object_id] => 488 [term_id] => 33 ) [82] => stdClass Object ( [ID] => 2074 [slug] => sub-meter-gps-gnss [date] => 2023-12-16 [post_status] => publish [post_type] => post [post_date] => 2023-12-16 10:10:14 [post_author] => 2 [post_title] => Why Can’t You Rely on Accuracy Readings from Some GPS/GNSS Apps for Advanced GNSS Receivers Like the Columbus P9 Race? 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