# Moku:Go

**URL:** https://forum.liquidinstruments.com/c/support-and-troubleshooting/moku-go/23.md

[Latest](https://forum.liquidinstruments.com/latest.md) · [Categories](https://forum.liquidinstruments.com/categories.md)

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## [About the Moku:Go category](https://forum.liquidinstruments.com/t/about-the-moku-go-category/512)

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**Author:** [@Sam.Speece](https://forum.liquidinstruments.com/u/Sam.Speece)\
**Replies:** 0

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Post questions or ask for help with your Moku:Go here.

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## [Slowdown while using the app (Spectrum Analyzer)](https://forum.liquidinstruments.com/t/slowdown-while-using-the-app-spectrum-analyzer/1276)

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**Author:** [@HugoMarot](https://forum.liquidinstruments.com/u/HugoMarot)\
**Replies:** 3\
**Last updated:** [March 18, 2026, 5:06pm UTC](https://forum.liquidinstruments.com/t/slowdown-while-using-the-app-spectrum-analyzer/1276 "2026-03-18T17:06:16Z")

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I am experiencing slowdowns that can eventualy lead to crashes while using the app (MokuOS 4.1.2) on a MokuGo (M2) (Hardware version 4.0, Firmware version 635.0), on a Windows 11 (24H2 version) computer. While using the…

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## [Bnc ground to earth](https://forum.liquidinstruments.com/t/bnc-ground-to-earth/1032)

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**Author:** [@Tom](https://forum.liquidinstruments.com/u/Tom)\
**Replies:** 8\
**Last updated:** [January 15, 2026, 6:13am UTC](https://forum.liquidinstruments.com/t/bnc-ground-to-earth/1032 "2026-01-15T06:13:38Z")

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Hi. I have the moku go and have a question about the earth connection. I only have continuity between earth and bnc ground when the unit is off. Ones I turn the moku go on this continuity is lost. Is this normal or is th…

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## [Moku:Go "This Moku has no Instruments" after FW update](https://forum.liquidinstruments.com/t/moku-go-this-moku-has-no-instruments-after-fw-update/1235)

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**Author:** [@jz13138](https://forum.liquidinstruments.com/u/jz13138)\
**Replies:** 1\
**Last updated:** [October 13, 2025, 5:33pm UTC](https://forum.liquidinstruments.com/t/moku-go-this-moku-has-no-instruments-after-fw-update/1235 "2025-10-13T17:33:38Z")

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I am using MokuOS 4.0.3. on Windows 10 (64bit). After the installation a firmware update has been suggested and was completed sucessfully. Now, MokuOS shows “This Moku has no Instruments”. The device can’t be used. P…

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## [Python API: Data Logger sampling rate sometimes differs from the set value](https://forum.liquidinstruments.com/t/python-api-data-logger-sampling-rate-sometimes-differs-from-the-set-value/1228)

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**Author:** [@xiangyuwei](https://forum.liquidinstruments.com/u/xiangyuwei)\
**Replies:** 9\
**Last updated:** [October 7, 2025, 7:24pm UTC](https://forum.liquidinstruments.com/t/python-api-data-logger-sampling-rate-sometimes-differs-from-the-set-value/1228 "2025-10-07T19:24:51Z")

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Product / Environment Information Device: Moku:Go Firmware version: 622 Moku App / driver version: 4.0.3 OS: Windows 11 Python version: 3.13 Issue Summary When setting the Data Logger sampling rate via…

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## [Programmable Power Suppy 'bug'?](https://forum.liquidinstruments.com/t/programmable-power-suppy-bug/954)

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**Author:** [@brucat](https://forum.liquidinstruments.com/u/brucat)\
**Replies:** 6\
**Last updated:** [September 24, 2025, 10:01pm UTC](https://forum.liquidinstruments.com/t/programmable-power-suppy-bug/954 "2025-09-24T22:01:57Z")

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All, I am using a Moku:Go with programmable power supplies: ‘firmware’: 591, ‘hardware’: ‘Moku:Go’, ‘version’: ‘3.2’ When I use PPS ID 3 or 4 to drive a load. it sometimes doesn’t ‘turn on’ until I unplug and replug…

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## [Moku:Go USB-C connection not showing up in Windows App](https://forum.liquidinstruments.com/t/moku-go-usb-c-connection-not-showing-up-in-windows-app/193)

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**Author:** [@Sam.Speece](https://forum.liquidinstruments.com/u/Sam.Speece)\
**Replies:** 7\
**Last updated:** [August 22, 2025, 10:18am UTC](https://forum.liquidinstruments.com/t/moku-go-usb-c-connection-not-showing-up-in-windows-app/193 "2025-08-22T10:18:40Z")

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Continuing the discussion from Moku:Go software update 11 May 2021; version 0.9.3: I am moving this issue to a new topic so other evaluators can more easily find it. The issue is that when connecting the Moku:Go to a Wi…

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## [WaveGenerator Burst Mode in MultiInstruments with Oscilloscope](https://forum.liquidinstruments.com/t/wavegenerator-burst-mode-in-multiinstruments-with-oscilloscope/1205)

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**Author:** [@hwedwards](https://forum.liquidinstruments.com/u/hwedwards)\
**Replies:** 1\
**Last updated:** [June 13, 2025, 9:53pm UTC](https://forum.liquidinstruments.com/t/wavegenerator-burst-mode-in-multiinstruments-with-oscilloscope/1205 "2025-06-13T21:53:57Z")

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Hi, I am working on a project involving plasmas. To run the plasma, I need to supply a pulse with width 20us repeating at 500Hz. I would then like to turn this plasma “on” and “off” at a certain frequency, say 4 hz. I…

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## [Data Logger in multi-instruments mode](https://forum.liquidinstruments.com/t/data-logger-in-multi-instruments-mode/947)

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**Author:** [@vcodrin2000](https://forum.liquidinstruments.com/u/vcodrin2000)\
**Replies:** 6\
**Last updated:** [June 11, 2025, 6:55pm UTC](https://forum.liquidinstruments.com/t/data-logger-in-multi-instruments-mode/947 "2025-06-11T18:55:32Z")

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Hello guys, I have been trying to set-up Moku-Go in Matlab in multi-mode with an arbitrary waveform generator and a data-logger. I am trying to log the data from one of the outputs and from one input. The problem is tha…

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## [Issues with Moku GO using in Labview (IP address)](https://forum.liquidinstruments.com/t/issues-with-moku-go-using-in-labview-ip-address/945)

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**Author:** [@Sushiki](https://forum.liquidinstruments.com/u/Sushiki)\
**Replies:** 17\
**Last updated:** [May 22, 2025, 4:28pm UTC](https://forum.liquidinstruments.com/t/issues-with-moku-go-using-in-labview-ip-address/945 "2025-05-22T16:28:21Z")

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I have met something with using Moku GO with Labview. I have entered IP address, which I have used same address well in Python. However, in Labview, it report Error message code 54. I am not sure how to solve this proble…

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## [Transfer Function of the PID Controller in Advanced Mode](https://forum.liquidinstruments.com/t/transfer-function-of-the-pid-controller-in-advanced-mode/1176)

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**Author:** [@KSantec](https://forum.liquidinstruments.com/u/KSantec)\
**Replies:** 2\
**Last updated:** [April 22, 2025, 11:31pm UTC](https://forum.liquidinstruments.com/t/transfer-function-of-the-pid-controller-in-advanced-mode/1176 "2025-04-22T23:31:49Z")

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Hello, What is the transfer function of the Moku:Go PID controller in advanced mode? I read the application notes about the PID controller, but it only explained the transfer function in basic mode. Thank you, Kenny

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## [Factory Reset Unsuccessful](https://forum.liquidinstruments.com/t/factory-reset-unsuccessful/968)

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**Author:** [@jsh](https://forum.liquidinstruments.com/u/jsh)\
**Replies:** 9\
**Last updated:** [March 27, 2025, 10:50pm UTC](https://forum.liquidinstruments.com/t/factory-reset-unsuccessful/968 "2025-03-27T22:50:26Z")

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Hi, A few weeks ago the Moku:Go started having issues booting. When I turned the Moku on, the status LED would stay orange and not turn green, even after I waited for up to 10 minutes. I tried the Factory Reset, but it…

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## [Phase response of Moku:Go](https://forum.liquidinstruments.com/t/phase-response-of-moku-go/1134)

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**Author:** [@JeromeJuillard](https://forum.liquidinstruments.com/u/JeromeJuillard)\
**Replies:** 13\
**Last updated:** [March 11, 2025, 8:56pm UTC](https://forum.liquidinstruments.com/t/phase-response-of-moku-go/1134 "2025-03-11T20:56:20Z")

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Hello, Below is the frequency response I obtain when connecting Out1 to In1 with a BNC cable and performing a frequency sweep. The phase response is far from 0°, even at moderate frequencies, well below the amplitude cu…

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## [Datalogger instrument not working on Moku Matlab 3.3.2](https://forum.liquidinstruments.com/t/datalogger-instrument-not-working-on-moku-matlab-3-3-2/1128)

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**Author:** [@azeytunyan](https://forum.liquidinstruments.com/u/azeytunyan)\
**Replies:** 2\
**Last updated:** [February 25, 2025, 3:56pm UTC](https://forum.liquidinstruments.com/t/datalogger-instrument-not-working-on-moku-matlab-3-3-2/1128 "2025-02-25T15:56:55Z")

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It seems like there is an issue with the latest release of the Moku Matlab API 3.3.2. I also updated the Moku CLI to the latest version 2.3.0. When trying to use the Datalogger instrument, I get the following message: E…

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## [MATLAB via a USB connection](https://forum.liquidinstruments.com/t/matlab-via-a-usb-connection/1089)

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**Author:** [@onyu](https://forum.liquidinstruments.com/u/onyu)\
**Replies:** 16\
**Last updated:** [January 29, 2025, 10:45pm UTC](https://forum.liquidinstruments.com/t/matlab-via-a-usb-connection/1089 "2025-01-29T22:45:26Z")

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Hello, I am using Moku:Go and would like to connect it to MATLAB via a USB connection. I have already downloaded the required Add-ons and API for MATLAB. However, when I attempt to communicate with Moku:Go using the IP …

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## [Frequency response analyzer should make it obvious that the SQUARE of the response function is plotted](https://forum.liquidinstruments.com/t/frequency-response-analyzer-should-make-it-obvious-that-the-square-of-the-response-function-is-plotted/1094)

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**Author:** [@DanHickstein](https://forum.liquidinstruments.com/u/DanHickstein)\
**Replies:** 3\
**Last updated:** [January 21, 2025, 5:08am UTC](https://forum.liquidinstruments.com/t/frequency-response-analyzer-should-make-it-obvious-that-the-square-of-the-response-function-is-plotted/1094 "2025-01-21T05:08:55Z")

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Hello! I’ve been using the frequency response analyzer function on the Moku:Go, and it’s pretty great! Today, I noticed that I was seeing twice the phase shift on the Moku software compared to when I looked at the voltag…

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## [PSRR measurements](https://forum.liquidinstruments.com/t/psrr-measurements/1070)

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**Author:** [@emodica](https://forum.liquidinstruments.com/u/emodica)\
**Replies:** 1\
**Last updated:** [November 26, 2024, 4:47am UTC](https://forum.liquidinstruments.com/t/psrr-measurements/1070 "2024-11-26T04:47:40Z")

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Hi Moku! We have a Moku Pro and I’m trying to configure to measure the ACPSRR of an LDO type device. To me, it seems like I need an output to do the swept sine (ac coupled), and also a VNA that can probe the signal on …

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## [Python or Matlab API not connecting to the MOKU:Go](https://forum.liquidinstruments.com/t/python-or-matlab-api-not-connecting-to-the-moku-go/1067)

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**Author:** [@Saforo](https://forum.liquidinstruments.com/u/Saforo)\
**Replies:** 1\
**Last updated:** [November 18, 2024, 4:51am UTC](https://forum.liquidinstruments.com/t/python-or-matlab-api-not-connecting-to-the-moku-go/1067 "2024-11-18T04:51:27Z")

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Hello, some engineering students are trying to use the MOKU Go for signal processing applications. We managed to connect and get it working through USB but the Python and Matlab API guides say that we have to use it wire…

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## [High-res data saving fail](https://forum.liquidinstruments.com/t/high-res-data-saving-fail/1053)

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**Author:** [@BenB](https://forum.liquidinstruments.com/u/BenB)\
**Replies:** 1\
**Last updated:** [October 8, 2024, 2:30am UTC](https://forum.liquidinstruments.com/t/high-res-data-saving-fail/1053 "2024-10-08T02:30:06Z")

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For reasons that are unclear, saving high-res data on my Go is not possible when data is collected in roll mode. Hardware version 4.0, firmware 591, software 3.2.2 build 28558. Behaviour shown in this video. Other files…

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## [Moku API - Only Every Second Stream Works](https://forum.liquidinstruments.com/t/moku-api-only-every-second-stream-works/1022)

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**Author:** [@Cycrus](https://forum.liquidinstruments.com/u/Cycrus)\
**Replies:** 4\
**Last updated:** [August 21, 2024, 6:45am UTC](https://forum.liquidinstruments.com/t/moku-api-only-every-second-stream-works/1022 "2024-08-21T06:45:07Z")

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Hi, I am confronted with an issue in the Moku API when trying to start a data stream on the MokuGo device. Only every second stream works reliably. When I stop this reliably working stream and start another, my program …

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## [Non- zero R output from lock-in with no input](https://forum.liquidinstruments.com/t/non-zero-r-output-from-lock-in-with-no-input/1008)

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**Author:** [@John](https://forum.liquidinstruments.com/u/John)\
**Replies:** 8\
**Last updated:** [August 14, 2024, 5:03am UTC](https://forum.liquidinstruments.com/t/non-zero-r-output-from-lock-in-with-no-input/1008 "2024-08-14T05:03:03Z")

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I’m setting up a Moku:Go lock-in to measure an optical detector output. The laser input to the detector is mechanically chopped at ~5.2 kHz to modulate it. The detector signal is ~2 mVp-p, and AC coupled into Input 1.…

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## [Moku datalogger streaming to file](https://forum.liquidinstruments.com/t/moku-datalogger-streaming-to-file/983)

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**Author:** [@gautam](https://forum.liquidinstruments.com/u/gautam)\
**Replies:** 1\
**Last updated:** [June 20, 2024, 6:37pm UTC](https://forum.liquidinstruments.com/t/moku-datalogger-streaming-to-file/983 "2024-06-20T18:37:05Z")

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I’m having trouble running some code that I was using to stream data to a file from a moku go. The problem seems to have surfaced after I updated the firmware to v591. I’d previously had trouble with this functionality b…

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## [Can communication analysis inquiry about Mokugo.](https://forum.liquidinstruments.com/t/can-communication-analysis-inquiry-about-mokugo/959)

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**Author:** [@jongsikna](https://forum.liquidinstruments.com/u/jongsikna)\
**Replies:** 1\
**Last updated:** [May 17, 2024, 3:47am UTC](https://forum.liquidinstruments.com/t/can-communication-analysis-inquiry-about-mokugo/959 "2024-05-17T03:47:01Z")

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Moku model: moku go Operating system: win 11 Software version: 3.20(Build 27582), fimware 591 Bug or support request description: I would like to analyze the communication data for the CAN module with MOKU-GO. T…

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## [CAN protocol with Moku Go hardware](https://forum.liquidinstruments.com/t/can-protocol-with-moku-go-hardware/949)

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**Author:** [@prashanthekambe](https://forum.liquidinstruments.com/u/prashanthekambe)\
**Replies:** 1\
**Last updated:** [May 9, 2024, 12:47am UTC](https://forum.liquidinstruments.com/t/can-protocol-with-moku-go-hardware/949 "2024-05-09T00:47:30Z")

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we are unable to decode CAN data from Moku Go hardware, looking for a support

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## [Is it possible to "force trigger" the AWG in Burst Mode?](https://forum.liquidinstruments.com/t/is-it-possible-to-force-trigger-the-awg-in-burst-mode/912)

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**Author:** [@coolehs](https://forum.liquidinstruments.com/u/coolehs)\
**Replies:** 3\
**Last updated:** [March 30, 2024, 1:18am UTC](https://forum.liquidinstruments.com/t/is-it-possible-to-force-trigger-the-awg-in-burst-mode/912 "2024-03-30T01:18:09Z")

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I’d like to generate synchronised pulses on the two channels of the AWG every time a button is clicked in a custom GUI. Is it possible to “force trigger” the AWG by software command, without having to involve an external…

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## [Multiple Moku:Go at the same time](https://forum.liquidinstruments.com/t/multiple-moku-go-at-the-same-time/906)

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**Author:** [@minodori](https://forum.liquidinstruments.com/u/minodori)\
**Replies:** 1\
**Last updated:** [February 26, 2024, 11:31pm UTC](https://forum.liquidinstruments.com/t/multiple-moku-go-at-the-same-time/906 "2024-02-26T23:31:44Z")

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Hi, When I connect 2 moku:go instruments to my desktop, I found the two moku:go are on the workspace on App. It seems that connects to one device at a time. As you know, Moku:go has 2 input / 2 output channels only, …

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## [Python issues with IPv6 address of Moku:Go](https://forum.liquidinstruments.com/t/python-issues-with-ipv6-address-of-moku-go/653)

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**Author:** [@avinashk](https://forum.liquidinstruments.com/u/avinashk)\
**Replies:** 14\
**Last updated:** [January 26, 2024, 4:42pm UTC](https://forum.liquidinstruments.com/t/python-issues-with-ipv6-address-of-moku-go/653 "2024-01-26T16:42:34Z")

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Hi All, I am trying to connect to Moku:Go using python/spyder installation. My device is connected using a USB-C cable to the computer. I try to communicate with the Moku:go but get an invalid ip address. Please see bel…

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## [Peak around 800kHz in FRA](https://forum.liquidinstruments.com/t/peak-around-800khz-in-fra/882)

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**Author:** [@minodori](https://forum.liquidinstruments.com/u/minodori)\
**Replies:** 3\
**Last updated:** [January 23, 2024, 9:55pm UTC](https://forum.liquidinstruments.com/t/peak-around-800khz-in-fra/882 "2024-01-23T21:55:14Z")

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HI, When I testing Moku:go’s FRA, I found that the signal strength increased more than 20dB and the phase was reversed around 800 kHz(a peak) in FRA without any signal inputs. I just curious about why I can found the p…

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## [Error code 6 when trying to convert LI file](https://forum.liquidinstruments.com/t/error-code-6-when-trying-to-convert-li-file/712)

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**Author:** [@gautam](https://forum.liquidinstruments.com/u/gautam)\
**Replies:** 6\
**Last updated:** [December 27, 2023, 6:13am UTC](https://forum.liquidinstruments.com/t/error-code-6-when-trying-to-convert-li-file/712 "2023-12-27T06:13:56Z")

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I’m trying to run this example to have a python script grab some data and save it to file. However, when I try and convert the saved .li file to any other format, using either the GUI converter or mokucli, I get “Error c…

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## [Download fail moku data files](https://forum.liquidinstruments.com/t/download-fail-moku-data-files/868)

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**Author:** [@minodori](https://forum.liquidinstruments.com/u/minodori)\
**Replies:** 3\
**Last updated:** [December 21, 2023, 2:25am UTC](https://forum.liquidinstruments.com/t/download-fail-moku-data-files/868 "2023-12-21T02:25:45Z")

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Hi, I have got below message when i run ‘moku download’. PS D:\\PythonProject\\Moku\> moku download Moku Client Version 3.1.1 ERROR: Unexpected error. HTTPSConnectionPool(host=‘updates.liquidinstruments.com’, port=443)…

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