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ExtIO_RTLTCP_improved download for Windows

Free download ExtIO_RTLTCP_improved Windows app to run online win Wine in Ubuntu online, Fedora online or Debian online

This is the Windows app named ExtIO_RTLTCP_improved whose latest release can be downloaded as ExtIO_RTLTCP_improved2.dll. It can be run online in the free hosting provider OnWorks for workstations.

Download and run online this app named ExtIO_RTLTCP_improved with OnWorks for free.

Follow these instructions in order to run this app:

- 1. Downloaded this application in your PC.

- 2. Enter in our file manager https://www.onworks.net/myfiles.php?username=XXXXX with the username that you want.

- 3. Upload this application in such filemanager.

- 4. Start any OS OnWorks online emulator from this website, but better Windows online emulator.

- 5. From the OnWorks Windows OS you have just started, goto our file manager https://www.onworks.net/myfiles.php?username=XXXXX with the username that you want.

- 6. Download the application and install it.

- 7. Download Wine from your Linux distributions software repositories. Once installed, you can then double-click the app to run them with Wine. You can also try PlayOnLinux, a fancy interface over Wine that will help you install popular Windows programs and games.

Wine is a way to run Windows software on Linux, but with no Windows required. Wine is an open-source Windows compatibility layer that can run Windows programs directly on any Linux desktop. Essentially, Wine is trying to re-implement enough of Windows from scratch so that it can run all those Windows applications without actually needing Windows.





I programmed an enhanced version of this DLL: https://github.com/roseengineering/ExtIO_RTLTCP.

My project shall help you to use high-quality SDR software like HDSDR together with your RTLSDR USB stick also on Linux.

On Linux, install WINE (the Windows software emulator) and the normal Windows version of HDSDR (in WINE). Best is if you build the needed rtl_tcp from https://github.com/librtlsdr/librtlsdr. If that is not possible for you install the Rtl-sdr package from the repository which, however, contains only a less capable version of rtl_tcp. Then copy one of my ExtIO_RTLTCP_improved.dll files into the program directory of HDSDR (usually ~/home/USER/.wine/drive_c/Program Files (x86)/HDSDR). Now, HDSDR works also on Linux. To launch HDSDR on Linux, at first start rtl_tcp, and then HDSDR. Enjoy!

To use my DLLs on Windows, download rtl_tcp.exe from https://ftp.osmocom.org/binaries/windows/rtl-sdr/.

Notes: ExtIO_RTLTCP_improved is experimental. Use it at your own risk!


  • Use high-quality SDR software like HDSDR now also on LINUX!
  • Auto-Q: The RTLSDR stick automatically switches to direct sampling (Q channel) for frequencies below 24.5 MHz and direct sampling is automatically disabled when tuned to any frequencies above 24.5 MHz.
  • My ExtIO_RTLTCP_improved.dll drivers set the chip AGC to ON, which brings you a better RX sensitivity than the original version.
  • My ExtIO_RTLTCP_improved.dll drivers are available in the following versions:
  • ExtIO_RTTCP_improved1.dll uses autoGain for the tuner gain.
  • ExtIO_RTTCP_improved2.dll uses optimized manual gain settings for the tuner gain, which shall prevent that the RTLSDR stick is overdriven on VHF / UHF frequencies.
  • ExtIO_RTTCP_improved3.dll has Auto-Q as well as the optimized gain settings profile but has a more sophisticated GUI, so that you can adjust more parameters manually. (Currently available as beta version.)

This is an application that can also be fetched from https://sourceforge.net/projects/extio-rtltcp-improved/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.

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