# Latest **URL:** https://community.ouster.com/latest.md [Latest](https://community.ouster.com/latest.md) · [Categories](https://community.ouster.com/categories.md) · [Tags](https://community.ouster.com/tags.md) --- ## [Sample data from OS1-Max in PCAP format?](https://community.ouster.com/t/sample-data-from-os1-max-in-pcap-format/522)
**Author:** [@Anders](https://community.ouster.com/u/Anders)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 8:44am UTC](https://community.ouster.com/t/sample-data-from-os1-max-in-pcap-format/522 "2026-09-22T08:44:02Z")
Hi all ! Simple question - is it possible to get sample data from OS1-Max in pcap format? As far as I can see there is no OS1-Max data in the docs page (that has .pcap data) and there is no .pcap in sample data in Oust… --- ## [Ouster PoseOptimizer guidance needed - preserving SLAM geometry while applying external position authority](https://community.ouster.com/t/ouster-poseoptimizer-guidance-needed-preserving-slam-geometry-while-applying-external-position-authority/518)
**Author:** [@mikehrub](https://community.ouster.com/u/mikehrub)\ **Replies:** 13\ **Last updated:** [September 15, 2026, 11:31pm UTC](https://community.ouster.com/t/ouster-poseoptimizer-guidance-needed-preserving-slam-geometry-while-applying-external-position-authority/518 "2026-09-15T23:31:52Z")
We are processing mobile mapping data from an Ouster OS1-071 Rev 7.1, 64-channel sensor, firmware 3.2, with synchronized IMU. Data is recorded to OSF and processed with Ouster SDK 1.0.1. We have an Ouster SLAM trajector… --- ## [Correcting slow rotational drift in multi-mile Ouster SLAM runs without smearing geometry](https://community.ouster.com/t/correcting-slow-rotational-drift-in-multi-mile-ouster-slam-runs-without-smearing-geometry/520)
**Author:** [@mikehrub](https://community.ouster.com/u/mikehrub)\ **Replies:** 0\ **Last updated:** [September 14, 2026, 5:59am UTC](https://community.ouster.com/t/correcting-slow-rotational-drift-in-multi-mile-ouster-slam-runs-without-smearing-geometry/520 "2026-09-14T05:59:45Z")
We are processing multi-mile, vehicle-mounted OS1-071-64U-ASR Rev7 data using firmware 3.2.0, SDK 1.0.1, ACCEL32\_GYRO32\_NMEA, PPS synchronization, and a PPS-aligned PolyNav dual-antenna GNSS/INS. The Ouster SLAM cloud i… --- ## [PCAP compatibility with ouster-sdk v1.0.1](https://community.ouster.com/t/pcap-compatibility-with-ouster-sdk-v1-0-1/513)
**Author:** [@Jakub](https://community.ouster.com/u/Jakub)\ **Replies:** 4\ **Last updated:** [September 3, 2026, 4:59pm UTC](https://community.ouster.com/t/pcap-compatibility-with-ouster-sdk-v1-0-1/513 "2026-09-03T16:59:58Z")
Model: OS0-128 Hardware: Rev 07 Firmware: 3.2.0 Lidar Mode: 2048 x 10Hz Using Ouster OS0-128 each scan is captured every 5m and saved as .pcap alongside metadata.json file. Using ouster-sdk 0.16.2 I could easily open… --- ## [ Where can I download Velodyne firmware updates? ](https://community.ouster.com/t/where-can-i-download-velodyne-firmware-updates/516)
**Author:** [@HadilEl](https://community.ouster.com/u/HadilEl)\ **Replies:** 1\ **Last updated:** [September 2, 2026, 7:55pm UTC](https://community.ouster.com/t/where-can-i-download-velodyne-firmware-updates/516 "2026-09-02T19:55:19Z")
We are comparing two Velodyne LiDAR units and noticed differences in behavior and capture consistency. We suspect the two sensors may not be running the same firmware version. Where can we download the official Velodyne… --- ## [Ouster OS1-64-U13-SR Rev 7.1 sensor is producing corrupted synchronized IMU timestamps during PCAP recording](https://community.ouster.com/t/ouster-os1-64-u13-sr-rev-7-1-sensor-is-producing-corrupted-synchronized-imu-timestamps-during-pcap-recording/515)
**Author:** [@mikehrub](https://community.ouster.com/u/mikehrub)\ **Replies:** 1\ **Last updated:** [September 2, 2026, 7:04pm UTC](https://community.ouster.com/t/ouster-os1-64-u13-sr-rev-7-1-sensor-is-producing-corrupted-synchronized-imu-timestamps-during-pcap-recording/515 "2026-09-02T19:04:41Z")
Hello, I need help diagnosing a timing problem with an Ouster OS1-64-U13-SR, Rev 7.1 (Rev071), running firmware 3.2.0. The sensor is being used with an external PolyNav GNSS/INS system. The PolyNav PPS output is connec… --- ## [Does Ouster SLAM consume LEGACY PCAP IMU before OSF writing?](https://community.ouster.com/t/does-ouster-slam-consume-legacy-pcap-imu-before-osf-writing/511)
**Author:** [@mikehrub](https://community.ouster.com/u/mikehrub)\ **Replies:** 1\ **Last updated:** [August 21, 2026, 6:19pm UTC](https://community.ouster.com/t/does-ouster-slam-consume-legacy-pcap-imu-before-osf-writing/511 "2026-08-21T18:19:11Z")
We are processing vehicle-mounted Ouster OS1-64 U02 data using Ouster SDK and ouster-cli. Capture details: Firmware: v2.5.3 IMU profile: LEGACY LiDAR mode: 1024x20 Current voxel test: 1.4 m Environment: open rural roa… --- ## [Legacy IMU packets present in PCAP but absent from OSF synchronized IMU fields](https://community.ouster.com/t/legacy-imu-packets-present-in-pcap-but-absent-from-osf-synchronized-imu-fields/512)
**Author:** [@mikehrub](https://community.ouster.com/u/mikehrub)\ **Replies:** 1\ **Last updated:** [August 21, 2026, 6:02pm UTC](https://community.ouster.com/t/legacy-imu-packets-present-in-pcap-but-absent-from-osf-synchronized-imu-fields/512 "2026-08-21T18:02:05Z")
We are investigating an OS1-64 U02 capture processed with Ouster SDK and ouster-cli. Sensor and capture details: Sensor: OS1-64 U02 Firmware: v2.5.3 IMU profile: LEGACY LiDAR mode: 1024x20 IMU UDP port: 7503 LiDAR UDP… --- ## [How to authenticate API call](https://community.ouster.com/t/how-to-authenticate-api-call/209)
**Author:** [@mfleming](https://community.ouster.com/u/mfleming)\ **Replies:** 1\ **Last updated:** [August 6, 2026, 2:36pm UTC](https://community.ouster.com/t/how-to-authenticate-api-call/209 "2026-08-06T14:36:47Z")
Hi I am going to call Gemini detection API in my Python script. e.g. /lidar-hub/api/v1/event\_zones Can I authenticate this API with a simple JWT token? I see detect-client client authenticator has signed jwt option. … --- ## [Documentation for the window and bloom fields in lidar packets](https://community.ouster.com/t/documentation-for-the-window-and-bloom-fields-in-lidar-packets/505)
**Author:** [@peci1](https://community.ouster.com/u/peci1)\ **Replies:** 5\ **Last updated:** [August 5, 2026, 5:12pm UTC](https://community.ouster.com/t/documentation-for-the-window-and-bloom-fields-in-lidar-packets/505 "2026-08-05T17:12:59Z")
Where’s documentation for interpreting the content of the window field in customizable packet format? Lidar Data | Ouster Sensor Docs | Documentation . How does it interact with min\_range\_threshold\_cm ? Why isn’t window … --- ## [OS2 Firmware - Why is there no FW3.x.x](https://community.ouster.com/t/os2-firmware-why-is-there-no-fw3-x-x/470)
**Author:** [@schmaelle](https://community.ouster.com/u/schmaelle)\ **Replies:** 6\ **Last updated:** [July 31, 2026, 9:05pm UTC](https://community.ouster.com/t/os2-firmware-why-is-there-no-fw3-x-x/470 "2026-07-31T21:05:31Z")
Hi there, we are users of all three sensor models - OS0, OS1 and OS2 and even updated to the Rev7 to gain from the advertised benefits. In general, the Rev7 perform better than the previous generations, that is super a… --- ## [Does Ouster SDK SLAM support a time-aligned external GNSS/INS XYZ prior during map building?](https://community.ouster.com/t/does-ouster-sdk-slam-support-a-time-aligned-external-gnss-ins-xyz-prior-during-map-building/504)
**Author:** [@mikehrub](https://community.ouster.com/u/mikehrub)\ **Replies:** 3\ **Last updated:** [July 27, 2026, 7:09pm UTC](https://community.ouster.com/t/does-ouster-sdk-slam-support-a-time-aligned-external-gnss-ins-xyz-prior-during-map-building/504 "2026-07-27T19:09:39Z")
We are processing vehicle-mounted Ouster PCAP data for approximately 10-mile road runs with Ouster SDK / ouster-cli 0.16.1. We have a separate, time-aligned PolyNav GNSS/INS trajectory that provides LiDAR-origin XYZ and… --- ## [Architect 3D Models](https://community.ouster.com/t/architect-3d-models/220)
**Author:** [@gregguzz](https://community.ouster.com/u/gregguzz)\ **Replies:** 6\ **Last updated:** [July 13, 2026, 9:44am UTC](https://community.ouster.com/t/architect-3d-models/220 "2026-07-13T09:44:20Z")
Hi @clark.dev - What format 3D models can be loaded into Architect? --- ## [Increase receive buffer to eliminate packet drop problem on some Windows computers](https://community.ouster.com/t/increase-receive-buffer-to-eliminate-packet-drop-problem-on-some-windows-computers/84)
**Author:** [@chris\_chen](https://community.ouster.com/u/chris_chen)\ **Replies:** 8\ **Last updated:** [July 10, 2026, 8:58am UTC](https://community.ouster.com/t/increase-receive-buffer-to-eliminate-packet-drop-problem-on-some-windows-computers/84 "2026-07-10T08:58:09Z")
There are some customers facing packet drop problems when using Windows computers to visualize the data from an OS lidar. This problem might not happen for a 32 or 64-beam OS lidar because of the lower data volume per s… --- ## [Request for v2.x firmware to upgrade OS1-64 Gen1 from FW 1.13.0 (web UI upload returns HTTP 500)](https://community.ouster.com/t/request-for-v2-x-firmware-to-upgrade-os1-64-gen1-from-fw-1-13-0-web-ui-upload-returns-http-500/499)
**Author:** [@DJ.LEE](https://community.ouster.com/u/DJ.LEE)\ **Replies:** 1\ **Last updated:** [June 18, 2026, 10:19pm UTC](https://community.ouster.com/t/request-for-v2-x-firmware-to-upgrade-os1-64-gen1-from-fw-1-13-0-web-ui-upload-returns-http-500/499 "2026-06-18T22:19:07Z")
Hi Ouster team, I’m trying to upgrade an OS-1-64 (Gen1 / “aries”) sensor that is currently running the deprecated firmware v1.13.0, so that it works with the current ouster-ros (ROS 2) driver, which requires FW v2.0 o… --- ## [Question Regarding IMU udp\_profile Setting](https://community.ouster.com/t/question-regarding-imu-udp-profile-setting/501)
**Author:** [@Hideya](https://community.ouster.com/u/Hideya)\ **Replies:** 5\ **Last updated:** [June 12, 2026, 12:59am UTC](https://community.ouster.com/t/question-regarding-imu-udp-profile-setting/501 "2026-06-12T00:59:58Z")
Hi, all We tried changing the IMU udp\_profile on the OS1-32U unit Rev.8 from ACCEL32\_GYRO32\_NMEA to LEGACY, but it did not work. Could you please advise us on how to address this issue? curl -X POST -H “Content-Type:… --- ## [OS1 - 128 Rev D compatibility with Newer Interface Box](https://community.ouster.com/t/os1-128-rev-d-compatibility-with-newer-interface-box/495)
**Author:** [@GLman](https://community.ouster.com/u/GLman)\ **Replies:** 1\ **Last updated:** [June 5, 2026, 5:54pm UTC](https://community.ouster.com/t/os1-128-rev-d-compatibility-with-newer-interface-box/495 "2026-06-05T17:54:50Z")
Hello, I recently got my hands on an Ouster OS1 - 128 Rev D model. Unfortunately the buy was on Ebay and among a missing heat sink mount, the Interface box is of a newer version making the question of compatibility with … --- ## [Does ouster-sdk git start supporting rev8 sensor osf files?](https://community.ouster.com/t/does-ouster-sdk-git-start-supporting-rev8-sensor-osf-files/494)
**Author:** [@krisg](https://community.ouster.com/u/krisg)\ **Replies:** 1\ **Last updated:** [June 2, 2026, 7:19pm UTC](https://community.ouster.com/t/does-ouster-sdk-git-start-supporting-rev8-sensor-osf-files/494 "2026-06-02T19:19:05Z")
I got this error while checking to process Billboards-RGB\_rgb16.osf with current sdk (https://github.com/ouster-lidar/ouster-sdk\[)\](https://github.com/ouster-lidar/ouster-sdk): ouster\_sdk\_test$ python3 osf\_read\_test.py … --- ## [Monitoring LiDAR Thermal States and Shot Limiting in Real Time via Ouster SDK](https://community.ouster.com/t/monitoring-lidar-thermal-states-and-shot-limiting-in-real-time-via-ouster-sdk/493)
**Author:** [@alex\_chua](https://community.ouster.com/u/alex_chua)\ **Replies:** 0\ **Last updated:** [May 26, 2026, 7:54am UTC](https://community.ouster.com/t/monitoring-lidar-thermal-states-and-shot-limiting-in-real-time-via-ouster-sdk/493 "2026-05-26T07:54:14Z")
Hello community! I wanted to share a Python script I put together for monitoring the thermal status of Ouster sensors. While you can always poll the HTTP telemetry API to check sensor temperatures, polling too frequent… --- ## [Can Event Server payloads be delivered to a custom external server?](https://community.ouster.com/t/can-event-server-payloads-be-delivered-to-a-custom-external-server/484)
**Author:** [@Geonu](https://community.ouster.com/u/Geonu)\ **Replies:** 1\ **Last updated:** [May 6, 2026, 12:56pm UTC](https://community.ouster.com/t/can-event-server-payloads-be-delivered-to-a-custom-external-server/484 "2026-05-06T12:56:01Z")
Hi, I’m building a traffic monitoring dashboard using the BlueCity OS1 NEMA Bundle (Ouster OS1 + Catalyst edge computer), and I’m trying to understand the data flow architecture before diving into implementation. From … --- ## [Narrowed reflectivity from uint16\_t to uint8\_t in v0.14.0](https://community.ouster.com/t/narrowed-reflectivity-from-uint16-t-to-uint8-t-in-v0-14-0/486)
**Author:** [@evehu](https://community.ouster.com/u/evehu)\ **Replies:** 2\ **Last updated:** [May 4, 2026, 2:13pm UTC](https://community.ouster.com/t/narrowed-reflectivity-from-uint16-t-to-uint8-t-in-v0-14-0/486 "2026-05-04T14:13:24Z")
Hello, I am using Ouster sensors in a set of projects and I am currently updating my Ouster driver to v0.14.0. I saw in the changelog that Point\_RNG19\_RFL8\_SIG16\_NIR16 has narrowed reflectivity from uint16\_t to uint8\_t … --- ## [Two OS0-128 LiDARs failed under same setup: no Ethernet link (no LED), earlier 100 Mbps fallback, and motor shutdown — detailed debugging included](https://community.ouster.com/t/two-os0-128-lidars-failed-under-same-setup-no-ethernet-link-no-led-earlier-100-mbps-fallback-and-motor-shutdown-detailed-debugging-included/479)
**Author:** [@Brahmaiah](https://community.ouster.com/u/Brahmaiah)\ **Replies:** 2\ **Last updated:** [April 20, 2026, 4:48pm UTC](https://community.ouster.com/t/two-os0-128-lidars-failed-under-same-setup-no-ethernet-link-no-led-earlier-100-mbps-fallback-and-motor-shutdown-detailed-debugging-included/479 "2026-04-20T16:48:34Z")
Hi, I am reporting failures in two OS0-128 LiDAR sensors. Both sensors were working correctly earlier, but have now failed under the same setup. I am providing detailed observations and debugging steps below. System S… --- ## [SDK 0.16 ‘sensor\_replay’ \[BETA\] Feature](https://community.ouster.com/t/sdk-0-16-sensor-replay-beta-feature/448)
**Author:** [@Samahu](https://community.ouster.com/u/Samahu)\ **Replies:** 1\ **Last updated:** [April 16, 2026, 2:57pm UTC](https://community.ouster.com/t/sdk-0-16-sensor-replay-beta-feature/448 "2026-04-16T14:57:00Z")
Feature Overview The feature allows users to replay existing captures as if they were coming from an actual sensor. Usage: ouster-cli source \ sensor\_replay \[OPTIONS\] This will command will start a: an H… --- ## [Client\_example.cpp threw an error while running the code](https://community.ouster.com/t/client-example-cpp-threw-an-error-while-running-the-code/478)
**Author:** [@Gaurav\_Mukherjee](https://community.ouster.com/u/Gaurav_Mukherjee)\ **Replies:** 2\ **Last updated:** [April 13, 2026, 1:59am UTC](https://community.ouster.com/t/client-example-cpp-threw-an-error-while-running-the-code/478 "2026-04-13T01:59:48Z")
Hi, I was trying to run the C++ code under the examples directory to test if my build and installation of the SDK was correctly done or not, and it threw the error screenshot below. There was also an error Eigen.hpp s… --- ## [OusterStudio\_AppImage installation error on Ubuntu22.04](https://community.ouster.com/t/ousterstudio-appimage-installation-error-on-ubuntu22-04/477)
**Author:** [@Gaurav\_Mukherjee](https://community.ouster.com/u/Gaurav_Mukherjee)\ **Replies:** 2\ **Last updated:** [April 10, 2026, 4:51pm UTC](https://community.ouster.com/t/ousterstudio-appimage-installation-error-on-ubuntu22-04/477 "2026-04-10T16:51:10Z")
Hey, I am new to the Ouster Sensor community. I wanted a bit of a help on my installation ousterstudio\_AppImage in my ubuntu. I followed the manual, but still somehow throws an error. ~/Downloads$ ./OusterStudio-2.4.0.… --- ## [What does "ZONE16" mean in RNG19\_RFL8\_SIG16\_NIR16\_ZONE16 return profile?](https://community.ouster.com/t/what-does-zone16-mean-in-rng19-rfl8-sig16-nir16-zone16-return-profile/475)
**Author:** [@CST\_ISE](https://community.ouster.com/u/CST_ISE)\ **Replies:** 1\ **Last updated:** [April 7, 2026, 3:10pm UTC](https://community.ouster.com/t/what-does-zone16-mean-in-rng19-rfl8-sig16-nir16-zone16-return-profile/475 "2026-04-07T15:10:01Z")
Hi everyone, I’ve noticed some new return profiles on Ouster Studio: RNG19\_RFL8\_SIG16\_NIR16\_ZONE16 RNG15\_RFL8\_NIR8\_ZONE16 I was wondering what the ZONE16 part stands for in these profiles. I couldn’t find any documen… --- ## [OS1 LiDAR Cable ECAD Help](https://community.ouster.com/t/os1-lidar-cable-ecad-help/474)
**Author:** [@Ondaws](https://community.ouster.com/u/Ondaws)\ **Replies:** 0\ **Last updated:** [April 6, 2026, 3:42pm UTC](https://community.ouster.com/t/os1-lidar-cable-ecad-help/474 "2026-04-06T15:42:37Z")
Hello this is my first time on the form but hopping you all can help as I have looked all over the internet and cant find a solution to my problem. I am working to make a breakout PCB to hook my OS1 LiDAR up to a slip r… --- ## [Ouster Studio Tips - Share lidar dataset with Ouster for technical support](https://community.ouster.com/t/ouster-studio-tips-share-lidar-dataset-with-ouster-for-technical-support/473)
**Author:** [@SB1991](https://community.ouster.com/u/SB1991)\ **Replies:** 0\ **Last updated:** [March 30, 2026, 5:20pm UTC](https://community.ouster.com/t/ouster-studio-tips-share-lidar-dataset-with-ouster-for-technical-support/473 "2026-03-30T17:20:06Z")
Need a hand troubleshooting a specific sensor setup or data capture? With Ouster Studio, you can securely share your lidar data and metadata directly with the Ouster Support team from within the app to streamline the di… --- ## [Multi OS1 LiDAR scanners SLAM together](https://community.ouster.com/t/multi-os1-lidar-scanners-slam-together/472)
**Author:** [@Hutch07](https://community.ouster.com/u/Hutch07)\ **Replies:** 1\ **Last updated:** [March 26, 2026, 8:51pm UTC](https://community.ouster.com/t/multi-os1-lidar-scanners-slam-together/472 "2026-03-26T20:51:12Z")
Can (2) OS1-64 rev 7 work simultaneously with SLAM to produce a pose of a vehicle / robot? (x/y/z/Roll/pitch/yaw ). We are trying to reduce drift in a very long corridor. --- ## [Ouster Studio Tips - Upload multiple files for cloud storage and sharing](https://community.ouster.com/t/ouster-studio-tips-upload-multiple-files-for-cloud-storage-and-sharing/471)
**Author:** [@SB1991](https://community.ouster.com/u/SB1991)\ **Replies:** 0\ **Last updated:** [March 24, 2026, 10:25pm UTC](https://community.ouster.com/t/ouster-studio-tips-upload-multiple-files-for-cloud-storage-and-sharing/471 "2026-03-24T22:25:39Z")
Don’t let data uploads slow you down! You can now handle multiple uploads simultaneously without staying stuck on one screen. Use the small monitor widget to minimize the upload window. This allows you to continue your … [Next page](https://community.ouster.com/latest.md?page=1)