[USRP-users] Centos 6.5 with X310??

Hi, I am currently doing some developing and one of my goals is to be able to task an x310 containing two twinRX daughter cards. I am currently using Centos 6.5 as my linux OS; is this even possible or do I need to upgrade to Centos 7.2? If someone could lay out the minimum requirements for co

[USRP-users] Centos 6.5 with X310??

Martin, I CentOS 6.5 comes with python 2.6, however, I believe I need python 2.7. I currently install python 2.7 and attempt to set up a virtual environment. Mark On 7/19/17, 12:02 PM, "USRP-users on behalf of usrp-users-requ...@lists.ettus.com" wrote: Centos 6.5 with X310?? __

[USRP-users] Trouble using CentOS6.5 to communicate with x310 and Twin Rx

I am currently having a lot of problems communicating with an x310 containing a twin RX. I believe it stems from the fact that centos 6.5 comes loaded with python 2.6, while the UHD and GNU radio version required needs python 2.7 I have loaded 2.7, and tried running pybombs but without much su

[USRP-users] X310 Channel Command Issue

I am having issue communicating with both channels on the X310. I have 2 UBX-40 daughtercards installed in the x310, and am using the 10 Gig port as well as the 1 Gig port, with the intention to use one port to control one channel and the other card to control the other channel. Also, I am wor

Re: [USRP-users] X310 Channel Command Issue

hannel Command Issue What version of UHD are you using? We'd need to see the part of your code that sets up the motherboard, etc. We don't have enough details to diagnose your problem. On 2017-07-31 12:32, Mark Koenig via USRP-users wrote: I am having issue communicating with both c

Re: [USRP-users] X310 Channel Command Issue

need to see the part of your code that sets up the motherboard, etc. We don't have enough details to diagnose your problem. On 2017-07-31 12:32, Mark Koenig via USRP-users wrote: I am having issue communicating with both channels on the X310. I have 2 UBX-40 daughtercards installed in the x

Re: [USRP-users] X310 Channel Command Issue

ou using? We'd need to see the part of your code that sets up the motherboard, etc. We don't have enough details to diagnose your problem. On 2017-07-31 12:32, Mark Koenig via USRP-users wrote: I am having issue communicating with both channels on the X310. I have 2 UBX-40 daughterca

[USRP-users] Trying to verify Rx MIMO operation of x310

I currently have an x310 with a ubx-40 in each of slots A and B. I have one 10Gig Ethernet connection hooked up, and would like to receive on both channels A and B. I tried using the “rx_multi_samples” function, but I didn’t get a good feeling I was collecting on both channels. I tried using

Re: [USRP-users] Trying to verify Rx MIMO operation of x310

rek On Tue, Aug 1, 2017 at 2:46 PM, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: I currently have an x310 with a ubx-40 in each of slots A and B. I have one 10Gig Ethernet connection hooked up, and would like to receive on both channels A and B. I

[USRP-users] x310 with twin rx uhd_usrp probe issue

I am currently running CentOS 7.2, UHD rev 003.010.000, and GNU radio version 3.7.11. When I probe the USRP, it doesn’t read the daughtercards and provide the correct output for frequency, gain, bandwidth, etc. Why would this occur? I believe I have all the revisions correct. I have pasted t

Re: [USRP-users] USRP-users Digest, Vol 84, Issue 19

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[USRP-users] x310 with twin rx uhd_usrp probe issue

My apologies. I was just verifying I had to upgrade UHD to 003.010.001. Mark On 8/21/17, 12:01 PM, "USRP-users on behalf of usrp-users-requ...@lists.ettus.com" wrote: x310 with twin rx uhd_usrp probe issue ___ USRP-users mailing list USRP-users

Re: [USRP-users] x310 with twin rx uhd_usrp probe issue

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[USRP-users] uhd_usrp message return and Comms issues

When I run the “uhd_usrp_probe” command I receive an interesting message prior to getting all of the information returned. It is listed below. I am having communication issues with the USRP X310 when changing frequencies, as it is taking much longer to retask the X310 than I would assume and t

[USRP-users] X310 vs. N210 set up times

I recently moved to working with an X310, after previously working with an N210. When working with the N210 I was able to run my code which scans multiple frequencies, and only use 5000 msec as my dwell time on each frequency. With the N210, 5000 msec was enough time to task the N210 and coll

[USRP-users] ADC Self-Test FAILED

All, I am getting the following output when trying to recover the mb EEprom. Can anyone be of assistance? Thank you Mark [root@localhost utils]# ./usrp_burn_mb_eeprom --args="recover_mb_eeprom,addr=192.168.20.2" --values="revision=4" linux; GNU C++ version 4.8.5 20150623 (Red Hat 4.8.5-16)

Re: [USRP-users] uhd_usrp message return and Comms issues

17 at 4:09 PM, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: When I run the “uhd_usrp_probe” command I receive an interesting message prior to getting all of the information returned. It is listed below. I am having communication issues with the USRP X310 when chan

Re: [USRP-users] ADC Self-Test FAILED

Just following up on the message I sent out 8 days ago. Does anyone have any resolution to this issue? I have seen other people have the problem, but have yet to find a fix. Thanks Mark From: Mark Koenig Date: Monday, October 2, 2017 at 10:18 AM To: "usrp-users@lists.ettus.com" Subject: AD

Re: [USRP-users] ADC Self-Test FAILED

ead of the maint branch or the latest 3.10.2.0 release should work. The ADC self test is skipped when supplying "recover_mb_eeprom" as of UHD 3.10.0.0. Regards, Michael On Tue, Oct 10, 2017 at 12:32 PM, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Just fol

Re: [USRP-users] ADC Self-Test FAILED

Hi Mark, Update UHD to a newer version. The head of the maint branch or the latest 3.10.2.0 release should work. The ADC self test is skipped when supplying "recover_mb_eeprom" as of UHD 3.10.0.0. Regards, Michael On Tue, Oct 10, 2017 at 12:32 PM, Mark Koenig via USRP-users mailto:

[USRP-users] UBX-160 with X310 communication issue

Hello, I am looking for some help with respect to the UBX-160. I have two version 2 daughtercards which were purchased a couple of months ago. I am running on CentOS 7.2 and CentOS 6.5 with GNU radio version 3.7.4 and UHD version 003.009.003. I can ping the USRP and also return information on

Re: [USRP-users] UBX-160 with X310 communication issue

7, 2017 at 1:01 PM, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello, I am looking for some help with respect to the UBX-160. I have two version 2 daughtercards which were purchased a couple of months ago. I am running on CentOS 7.2 and CentOS 6.5 with GNU rad

Re: [USRP-users] UBX-160 with X310 communication issue

.5 and UHD 3.10.2.0. Can you please try updating to the newest UHD, such as 3.9.7 or 3.10.2.0 and try probing USRP/DBs again? Regards, Nate Temple On Tue, Oct 17, 2017 at 1:01 PM, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello, I am looking for some help with respec

[USRP-users] Reprogramming a "Bricked" N210

I have been trying to use Vivado lab to return my N210 to a useable state and am looking for some help. I see the green light lit on the Xilinx USB to JTAG adaptor and the connection seems good, however, I keep getting errors during the programming of the EE_PROM. Below is what I constantly se

Re: [USRP-users] UBX-160 with X310 communication issue

UHD, such as 3.9.7 or 3.10.2.0 and try probing USRP/DBs again? Regards, Nate Temple On Tue, Oct 17, 2017 at 1:01 PM, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello, I am looking for some help with respect to the UBX-160. I have two version 2 daughterca

Re: [USRP-users] Reprogramming a "Bricked" N210

Just bringing this back to the top. From: Mark Koenig Date: Monday, October 23, 2017 at 2:26 PM To: "usrp-users@lists.ettus.com" Subject: Reprogramming a "Bricked" N210 I have been trying to use Vivado lab to return my N210 to a useable state and am looking for some help. I see the green ligh

Re: [USRP-users] UBX-160 with X310 communication issue

operation or capabilities of the device. Could you please elaborate on what you mean by "communication anomalies", and describe the issue in detail? Thanks! --​Neel Pandeya On 26 October 2017 at 10:25, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote:

Re: [USRP-users] Reprogramming a "Bricked" N210

Again, Looking to see if anyone can help on this. One more detail is that I am unable to reboot the N210 into safe mode, thus no green lights come on. Thanks Mark From: Mark Koenig Date: Thursday, October 26, 2017 at 1:25 PM To: "usrp-users@lists.ettus.com" Subject: Re: Reprogramming a "Bri

Re: [USRP-users] UBX-160 with X310 communication issue

, but they do not fundamentally affect the operation or capabilities of the device. Could you please elaborate on what you mean by "communication anomalies", and describe the issue in detail? Thanks! --​Neel Pandeya On 26 October 2017 at 10:25, Mark Koenig via USRP-user

Re: [USRP-users] Reprogramming a "Bricked" N210

bin On Tue, Oct 31, 2017 at 1:46 PM, Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 10/31/2017 04:21 PM, Mark Koenig via USRP-users wrote: > > Again, > > > > Looking to see if anyone can help on thi

Re: [USRP-users] Reprogramming a "Bricked" N210

-Robin On Tue, Oct 31, 2017 at 1:46 PM, Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 10/31/2017 04:21 PM, Mark Koenig via USRP-users wrote: > > Again,

Re: [USRP-users] Reprogramming a "Bricked" N210

If that fails, please report back and we will try to assist you further. > > -Robin > > > On Tue, Oct 31, 2017 at 1:46 PM, Marcus D. Leech via USRP-users < > usrp-users@lists.ettus.com&g

[USRP-users] Assigning each daughtercard an IP address in X310?

Can you assign each daughter card a different IP address? For example, Port 0 with card A at a certain IP address and Port 1 with card B at a different IP address. Is this possible? If so, how would it be achieved? Thank you, Mark On 11/17/17, 12:02 PM, "USRP-users on behalf of usrp-users

[USRP-users] Decrease in SNR seen with X310

I have been collecting signals in a lab environment using an N210 with a CBX card without any perceived issues. When running the uhd_fft script I am seeing an SNR of 20-30 dB, which is enough for me to do the post processing of the collected signals. When I upgraded to the X310 with UBX40 card

Re: [USRP-users] Decrease in SNR seen with X310

Thanks for the quick response! Can you provide more details to your statement? Thanks Mark Get Outlook for iOS<https://aka.ms/o0ukef> From: ROBIN TORTORA Sent: Monday, December 4, 2017 5:57:44 PM To: Mark Koenig; Mark Koenig via USRP-users Subject: Re:

[USRP-users] X310 degraded SNR

Message-ID: Content-Type: text/plain; charset="utf-8" I have been collecting signals in a lab environment using an N210 with a CBX card without any perceived issues. When running the uhd_fft script I am seeing an SNR of 20-30 dB, which is enough for me to do the post processing of

[USRP-users] X310 exit issue

Michael, I am emailing you directly because I found an archive email from 2014 in which you helped someone with the stopping of their X310. In the email chain you eventually figured out that the user was trying the “kill the flowgraph” button and it was causing the X310 to get into an undesira

Re: [USRP-users] X310 exit issue

Thanks Michael. I will try your suggestions. Mark Get Outlook for iOS From: Michael West Sent: Thursday, December 7, 2017 4:16:10 PM To: Mark Koenig Cc: usrp-users@lists.ettus.com Subject: Re: X310 exit issue Hi Mark, It should be as sim

Re: [USRP-users] X310 degraded SNR

card without any perceived issues. When running the uhd_fft script I am seeing an SNR of 20-30 dB, which is enough for me to do the post processing of the collected signals. When I upgraded to the X310 with UBX40 cards I noticed a much higher noise floor and a decrease in SNR ~10dB. This decrease in S

Re: [USRP-users] X310 exit issue

Could I use controlport to send the stop() command down to the USRP source block? If so, how would this be done? What would the syntax be? Thanks Mark From: Michael West Date: Thursday, December 7, 2017 at 4:16 PM To: Mark Koenig Cc: "usrp-users@lists.ettus.com" Subject: Re: X310 exit issu

[USRP-users] TWINRX Gain

The TwinRx daughtercard identifies as having 0-93dB gain range. Is this true? If I dial in 90dB am I truly getting 90dB of gain and my incoming signal is amplified that much or is there some sort of offset and the gain range is something different? I believe the UBX-160 offers 0-31.5dB. Than

Re: [USRP-users] TWINRX Gain

gain. I don’t know of the top of my head how much of that range is gain and how much is attenuation. Sent from my iPhone On Sep 29, 2020, at 1:43 PM, Mark Koenig via USRP-users wrote:  The TwinRx daughtercard identifies as having 0-93dB gain range. Is this true? If I dial in 90dB am I

Re: [USRP-users] TWINRX Gain

Yes, I understand gain varies with temperature and frequency, I just wasnt sure if there was any receive chain analysis performed with the daughtecard to give the developer an idea of what type of gain is provided over the attenuation range at various frequencies. I am not too concerned about t

Re: [USRP-users] TWINRX Gain

I get it, thanks for the block diagrams. I will look into doing a lab test with a calibrated source. From: Marcus D. Leech Sent: Tuesday, September 29, 2020 2:23 PM To: Mark Koenig Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] TWINRX Gain On 09/29/2

[USRP-users] Maximize MIMO Collection with X310

Hello, I am looking to maximize my MIMO collection utilizing a single X310 radio with either 2 TwinRxs installed or 2 UBX-160s installed. In some cases, I have a GPSDO at my disposal. For tasking the radios, I am using python code which creates and runs a GNURADIO Flowgraph. Ultimately, I wou

Re: [USRP-users] Maximize MIMO Collection with X310

Thank you for the response. Ideally what I want is to ensure the samples coming in from two different antennas are sync’d in time. I have already seen the app note about coming up with corrections to balance the phase between antennas. Currently, when collecting MIMO with the TwinRX I am usin

[USRP-users] Details on how these charts were made

I am thinking of doing some RF characterization of the TwinRX daughterboard in the near future, and I was hoping to use the pdf as a guide. Unfortunately, there is no test set up or test equipment list used to create specifically the Rx Gain plots vs. Frequency for a given gain value. Any help

Re: [USRP-users] Details on how these charts were made

7;d be a good starting point for you, but it might be worth checking out! -Sam On Tue, Oct 13, 2020 at 6:40 AM Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: I am thinking of doing some RF characterization of the TwinRX daughterboard in the near future, and I w

[USRP-users] uhd_cal_rx_iq_balance

Hello, I have some questions regarding the Rx iq balance function. After running this script on a particular radio (x310 or N210) with a UBX it saves the results on the machine in which it was ran on, correct? If I need to move the UBX to another radio (X310 or N210), but the new radio with t

[USRP-users] UHD Comms Error

Please help, with the error I am seeing. I am currently using an X310 with a UBX160 daughtercard and I get the error below when changing the frequency parameters of the radio. RuntimeError: EnvironmentError: IOError: Radio ctrl (A) packet parse error - AssertionError: packet_info.packet_count =

Re: [USRP-users] UHD Comms Error

is a tune request? Are you running your own program, or one the example programs, such as "rx_samples_to_file"? Could you please try upgrading to UHD 3.14.0.0, and re-running your test, and let me know your results? --Neel Pandeya On Thu, 6 Jun 2019 at 12:47, Mark Koenig via USRP-user

Re: [USRP-users] UHD Comms Error

HD 3.14.0.0, and re-running your test, and let me know your results? --Neel Pandeya On Thu, 6 Jun 2019 at 12:47, Mark Koenig via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Please help, with the error I am seeing. I am currently using an X310 with a UBX160 daughtercard and I

Re: [USRP-users] UHD Comms Error

: [USRP-users] UHD Comms Error Is this an RFNoC load? From: USRP-users on behalf of Mark Koenig via USRP-users Sent: Friday, June 7, 2019 12:29 PM To: Neel Pandeya Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] UHD Comms Error I am using a thunderbolt

[USRP-users] usrp probe and find commands

Does anyone have any idea why I can only probe my radio if I include the address string? Uhd_usrp_probe --> yields no results Uhd_usrp_probe –args “addr=192.168.10.2” --> find the radio and yields results Also, the uhd_find_devices command does not return anything. Thanks for the quick feedba

Re: [USRP-users] usrp probe and find commands

probe and find commands Is your firewall blocking the port that UHD needs? I feel like I had a serial problem in the past and that was the issue. From: USRP-users on behalf of Mark Koenig via USRP-users Sent: Friday, October 4, 2019 1:17 PM To: