sdr

  1. J

    SDRTrunk JMBE Build HELP!

    Hi, This is my first post on this form. I'm trying to get back into SDRs again but SDRTrunk is kicking my butt. I need some help building the JMBE.jar file. I'm following these instructions DSheirer/jmbe but every time I run the build command I get this: BUILD FAILED in 44s 5 actionable...
  2. RFI-EMI-GUY

    ETTUS RESEARCH USRP B200: Exploring the Wireless World

    I thought this video was pretty interesting because it shows the many way SDR can be utilized. I am planning to experiment in SDR in near future and have not yet decided the HW platform. So I am just throwing this out.
  3. G

    New to Scanning looking for advice.

    I'm looking to get back into scanning, I currently live in the Chicago Uptown area and was wondering what kind of equipment I might need. I would like to listen to Police/Fire as well as Marine and Air. I'm currently using SDR for police but having a hard time figuring out fire and air and was...
  4. Charlie1068

    Baofeng Baofeng RD-5R DMR TDMA Help

    I recently purchased a RD-5R and can program DMR no problem, but some of the frequencies I can receive in DSD Plus are TDMA. I can receive them fine on DSD, but then I program the frequencies, Color Code and Talk groups. I can't pick up any of there chatter, I have retraced my steps to make sure...
  5. R

    HackRF One - Transmit without SDR Angel on Windows 10?

    Hello all, I'm new here and to SDR in general so I apologize in advance for any mistakes or incorrect terminology. I was wondering if anyone knows of any software other than SDR Angel that has transmit capability for the HackRF One. SDR Angel works, although it's rare and very inconsistent...
  6. K

    Looking for SDR that...

    Hey RR, I bought an SDR recently and the SDR and the antennas were complete junk. The SDR worked the same with or without the antenna. It was the NooElec RTL2832U. I am looking for an affordable SDR that can run 24/7/364, it just needs to stay on one frequency(UHF Part-90 frequency). Another...
  7. Chibson

    SDR Dongle Broken?

    So I recently purchased a Nooelec E4000 on Amazon and got it in the mail today. When I got it working with SDR Sharp I keep getting this on the waterfall display. I have tried everything to get rid of this. Not only is this constantly on the waterfall display wherever I frequency I go but now I...
  8. S

    SDR HT Transceiver?

    Are there any SDR based HT's transceivers available yet on the market? Not talking about a cobbled together raspberry pi / DIY type but a polished consumer ready out of the box solution. SDR is making its way into base station units like Yaesu FT-DX101D as well as HT and mobile scanners like the...
  9. E

    Modify/Revive old RTL stick (part 1)

    Modify/Revive old RTL stick I bought 2 of these inexpensive RTL sticks for just over $12 each almost 3 years ago. IEIK SDRICE RTL-SDR FM DAB DVB-T USB Stick Set with RTL2832U & R820T Great SDR for SDR# ADS-B Receiver Set Radio Compatible ICE Input...
  10. M105

    772 Mhz Moxon antenna project.

    I was introduced to the Moxon antenna at an amateur radio club recently. Since I had been looking around for an easy to build directional antenna to monitor the local 770 MHz P25 system I decided to run the numbers for 772Mhz and see how big the antenna would be. It turned out to be small...
  11. P

    RFI Identification on SDR

    I have attached 3 images of my RFI problem Image 1: Shows the RFI morphing into the alternating signal. This happens every 2.5 min and starts from a constant signal to a stronger signal for 5 sec then into the alternating signal for 5 sec. Image 2: shows spacing of RFI Image 3: What my...
  12. V

    SDR for NXDN/Brodcast

    I have a SDR that I would like to use to broadcast a system that is NXDN. I have yet to find a way to decrypt NXDN and broadcast it to the internet. Does anyone have any suggestions? Also if you know, can I have more then one feed broadcasting from the same computer at the sometime?
  13. I

    Open Hardware devices for cheap SDR receivers

    Good day! For a while, I worked on creating completely open hardware solutions (such as Antenna Mini-Whip, HF Upconverter, and etc.) used to expand capabilities and work with low-cost SDR receivers (RTL2832U). At the moment, all devices publicly available on GitHub. You can get acquainted with...
  14. T

    DSR and DSD Plus - Just want to listen to one target

    I can't seem to find anything regarding a setting in DSD+ to only listen to one target (talk group). Is there such a thing or is this a different plugin that has to be used?
  15. E

    Sdr & dsd+ dmr

    Hello everyone, I would like to monitor my DMR Mototrbo system that has built-in privacy settings, I have managed to monitor but I can not enter my privacy code to listen to the network traffic. Is there any way to do it using the command line ?. Thank you very much. Greetings.
  16. J

    Searchable apps and support catalogue for SDRplay

    Over the last year or two, SDRplay and others have generated a lot of applications material in the form of documents, articles and videos – these are designed to make it easy to get up and running with RSP receivers from SDRplay. Attempts to use the YouTube playlist system to catalogue videos...
  17. N

    am I recording LTE uplink signals?

    I have this app, LTE Discovery, in my phone which tells me the LTE UL frequency and power so I went with my SDR and measured the received signal at that frequency and it matched. Now, how can I be sure this is the transmitted signal from my phone? As I made a call to and from this phone and...
  18. A

    SDR# and ACARSD

    Hi Guys Sorry if this has been asked before, I tried a search but didn't find what I was looking for. Just got started with SDR's and have the RTL-SDR dongle loaded with SDR#, this works fine and I ca hear transmissions fine. I then tried decoding ACARS with the Acarsd program and I can't see...
  19. J

    Signal Adaption using dual-tuner RSPduo

    Over on YouTube, ICAS enterprises have posted a video demonstrating “Signal Adaption” using an RSPduo. This is one of the new capabilities offered by a Dual-Tuner SDR and is a good example of the kind of feature SDRplay will be adding to their own SDRuno software in a future release. This...
  20. J

    SDRSharp Autostart

    I searched and have not seen this posted on here. It has been as issue for a while of not having such a plugin. I was using tinytask to start SDR# and now no longer! This plugin will autostart (play) SDR# after five seconds. I am using rev 1666 and the plugin is working...
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