Tag Archives: SDRplay

Dave’s updated SDRplay RSP1A review

Many thanks to SWLing Post contributor, Dave Zantow (N9EWO), who writes:

Our greatly “Updated” SDRplay RSP1A review is now available (with new number two 2019 manufactured test sample). As usual with our web pages be sure and have pop up blocker on full (allow no pop ups) and browser security settings at default or above.


Thanks for sharing this, Dave!

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Video demonstrating SDRplay remote operation

The SDRplay RSPduo

(Source: Jon Hudson at SDRPlay)

This video guide demonstrates the new RSP TCP server software which is now included in the latest Raspberry Pi SD Card image. The video shows how easy it is to set up an RSP at a remote location for access over the internet.

Click here to view on YouTube.

The video uses a Raspberry Pi at the remote location, and a Windows PC running HDSDR back at home base.

We are only demonstrating the Raspberry Pi version of the server here. Also, we are demonstrating extended mode (enabling the full RSP ADC resolution which only works with software which supports an EXTIO interface). Other (non EXTIO compatible) RTL-SDR software will also run via the server on an RSP device – but in “normal mode” meaning that the data resolution will be restricted to 8 bits.

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SDRuno Version 1.3 now has Frequency Scanning feature

Many thanks to Jon Hudson with SDRplay who shares the following announcement:

SDRplay is pleased to announce the release of SDRuno v1.3. This is a major upgrade to SDRuno, which adds a number of important new features and is intended for all RSP models including the now discontinued RSP1.

Major new features include:

Frequency Scanning (for both frequency ranges and stored memory panel lists)
I/Q ? Audio Output (for CW Skimmer for example)
A new configurable IF AGC scheme

For a full list of additions/changes and bug fixes, please see the release notes at: https://www.sdrplay.com/docs/SDRplay_SDRuno_Release_Notes.pdf

This release of SDRuno uses a new version of the Windows Service based API (3.02) and so users that also used other applications such as dump1090 and HDSDR with the previous version of the Windows Service based API (3.01) will need to download and install the latest versions of API, dump1090 and the ExtIO plugin from our website at https://www.sdrplay.com/downloads

We have produced two new video guides which describe the use of the Frequency Scanner and I/Q Output functions. Links to these videos along with many others can be found by going to the SDRplay Applications and support catalogue on https://www.sdrplay.com/apps-catalogue/  , and on our Youtube Channel on https://www.youtube.com/c/SDRplayRSP

However, the two new videos can be viewed directly by going to:

https://youtu.be/ndMWIK1JLbQ (New Features in SDRuno 1.3 – Scanning and AGC)

https://youtu.be/w_pH56aOdE0   (SDRuno IQ output and CW Skimmer guide)

The ExtIO version of SDRuno can still be downloaded from our downloads page and is included in the SDRuno 1.22 release. Make sure to install it in a different directory to 1.3 otherwise it will stop 1.3 from working.

For any questions  or help regarding this new release, please contact SDRplay support via our dedicated support system at: https://www.sdrplay.com/support
For any other suggestions, please email feedback@sdrplay.com

Finally, we recommend that all users join our community forum where there is a wealth of knowledge and help available for using our products and software in a wide range of applications and circumstances. This forum can be found at: https://www.sdrplay.com/community

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Bonito tests the SDRplay RSPduo paired with two high-performance antennas

SDRplay RSPduo Antennentest von Bonito

Many thanks to Dennis at Bonito, who notes that he has just tested the SDRplay RSPduo on two of Bonito’s high-performance antennas: the MegaLoop FX and the new MegaDipol MD300DX. Bonito posted a detailed article about this on their website.

Click here to check it out!

SDRPlay RSPduo – Lasst die Spiele beginnen!

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Updated Raspberry Pi image for SDRplay software defined radios

(Source: SDRplay via Jon Hudson)

SDRplay is pleased to announce the availability of an updated Raspberry Pi3 image: This release (V0.4) is a complete image for the Raspberry Pi 3 with a range of pre-built applications for SDRplay devices.

Please note the following:

1. This software is made available purely for the convenience of users to save them from having to build the software themselves from source code.
2. All software apart from ADS-B is provided by third party developers and SDRplay can take no responsibility for any faults or bugs and is unable to provide support. For any support for these applications, we recommend that users contact the original authors.
3. Where the RSPduo is supported by applications, it can only be used in single tuner mode.
4. Whilst this should work with all RPi3s, we have only tested with RPi3 B+ and that will provide the best performance.

List of known issues:


Will only work over LAN connections and locally. It will not work over Wide Area Networks

Will only support the RSPduo in single tuner mode

Gnu Radio
No known issues

Some limitations with tuner hardware control
Audio only via USB and HDMI audio
CPU load is quite high and may cause audio stuttering

RSPduo not currently supported
Port B is the default port for the RSP2

Will only support the RSPduo in single tuner mode

TCP Server – This is a fork of the RTL-SDR (TCP) server developed by F4HH. This software should work with any client that supports the RTL-SDR (TCP) server software with some limitations. This software should be viewed as being for experimental purposes.
RSP2 works only on port A
RSPduo not supported
Maximum sample rate limited to 3.2 MHz
Some limitations with RSP1A RF gain control

Download links:




Size: 2249196664 bytes (2145 MiB)

CRC32: 204AE0BE
CRC64: 76FAA00F83A96F1D
SHA256: 2BDB44BFCA95241AA9FE26F02EFB78FD0370869AC2775F76832AC68F7E9DA153

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