In ZIYUN KiwiSDR Kit,Covering shortwave, longwave and AM broadcast bands in the 10 kHz to 30 MHz spectrum range,Widely used in a variety of practical workstations and amateur radio transmission
100% Open Source / Open Hardware
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
Automatic frequency calibration via received GPS timing
KiwiSDR is a software-defined radio (SDR) covering shortwave, the longwave & AM broadcast bands, various utility stations, and amateur radio transmissions, world-wide, in the spectrum from 10 kHz to 30 MHz. The KiwiSDR is available in two versions: the cape alone and a more complete version including BBG, enclosure and GPS antenna.
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.
Features 100% Open Source / Open Hardware. 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 Automatic frequency calibration via received GPS timing. Extension interface for adding decoders and utilities.
Specification 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. 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.
Part List 1 * KiwiSDR Board 1 * Beaglebone Green 1 * Unassembled enclosure 1 * Skyworks SE4150L GPS front-end antenna 1 * Micro-SD Card