KiwiSDR - 10 kHz to 30 MHz Web Interface

KiwiSDR - 10 kHz to 30 MHz Web Interface
Part Number: KIWI-SDR
£249.95 ( £208.29 EXC. VAT )
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Product Information
  • Overview

Key Features

  • 100% Open Source / Open Hardware.

  • Compatible with Beaglebone Green/BeagleBone Black 

  • Browser-based interface allowing four simultaneous user web connections.

  • Each connection tunes an independent receiver channel over the entire spectrum.

  • Waterfall tunes independently of audio and includes zooming and panning.

  • Multi-channel, parallel DDC design using bit-width optimized CIC filters.

  • Good performance at VLF/LF since we personally spend time monitoring those frequencies.

  • Automatic frequency calibration via received GPS timing.

  • Easy hardware and software setup. Browser-based configuration interface.

  • Extension interface for adding decoders and utilities.

Description

Will you enjoy quickly zooming in and out of bands, finding interesting stations, and listening to someone else’s bands ? KiwiSDR kit can make all of these become a fact. 

What is KiwiSDR ?

In short, KiwiSDR is a custom circuit board (cape alone) you connect to the BeagleBone Green or BeagleBone Black computer, an embedded Linux development board that is similar to a Raspberry Pi. You simply add an antenna, power supply and network connection. 

To be more specific, KiwiSDR is a Linux-based, stand-alone software-defined radio capable of receiving from DC to at least 30 MHz using a variety of modes (SSB, AM, FM, Synchronous AM) and has several "extensions" that allow reception of several digital modes - including CW, RTTY, and WSPR - as well as provide a means of viewing FAX transmissions and SSTV.  It also includes a provision for TDOA (Time Difference of Arrival) determination of transmitter location in conjunction with other similarly-equipped receivers.

An HTML5-capable browser and internet connection will let you listen to a public KiwiSDR anywhere in the world. Up to four people can listen simultaneously to one radio — each listener tunes independently.

Try it right now! Listen to KiwiSDR registered on the rx.kiwisdr.com  website.

What makes it special ? 

KiwiSDR makes direct access to SDR possible. It connects to your home internet network instead of your PC, which enables you to access it from any computing device via a web browser. 

Thus, the on board FPGA and Beaglebone’ s CPU, instead of your PC,  will perform all the computing. What your PC can see is only the compressed audio and waterfall stream. You do not need a powerful computer to run SDR, actually, a mobile phone or tablet will be qualified. 

KiwiSDR does not have a front panel, but rather it is entirely used via a web interface, which makes it used remotely, by several people, simultaneously - each person getting their own virtual receiver that they may independently tune.

Application 

  • Setting up a remote receiver in a good noise free location

  • Helping hams give themselves propagation reports by accessing a remote     KiwiSDR while they are TXing

  • Listening to shortwave stations, monitoring WSPR or WEFAX channels, education, crowd sourced science experiments and more

Technical details

Dimensions 0mm x0mm x0mm
Weight G.W 310g
Battery Exclude
SDR Covers the 10 kHz to 30 MHz (VLF-HF) spectrum.
Web interface Based on OpenWebRX from András Retzler, HA7ILM.
Demodulation modes AM, AMN, LSB, USB, CW, CWN, NBFM.
Extensions at present WSPR viewer/decoder, IQ display, Loran-C viewer.
RF antenna connector SMA and terminal block.
Integrated software-defined GPS receiver From Andrew Holme's Homemade GPS Receiver.
GPS receives the Navstar system on L1 frequency 1575.42 MHz.
GPS antenna connector SMA, 3.3V powered for active antennas.
Voltage +5V DC, 2.1mm jack, center pin positive.
Current 1.5A including Beagle, KiwiSDR powers Beagle through header connectors.
Dimensions KiwiSDR PCB 117mm * 55mm, SMA connectors additional.
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