Download iSDR for PC

1. It does frequency domain filtering using a theoretical "brick wall" sinc filter algorithm to provide steep and deep bandpass filtering. iSDR doesn't utilize any DSP hardware but instead uses the iOS device's processor to implement DSP algorithms. o Six receive mode settings: USB, LSB, CW, AM, FM* and Binaural. o Signal strength meter covering 120 dB of dynamic range with peak and average power indication. o Three display modes: Spectrum, Waterfall and Oscilloscope. o File sharing** supports downloaded audio-format spectrum files synced using iTunes. o Most PCM file formats are supported, including . wav and . caf. o Embed the center frequency in your file names and iSDR will automatically display the correct frequency! o Tune quickly using a single touch to the display screen, or tune precisely using the rainbow tune bar. o Change radio settings with a simple double-tap action to the red...

2. When iSDR is used to receive live radio signals, receiver performance will depend largely on the quadrature sampling detector and antenna that you use. iSDR is a software-defined receiver application for use on mobile handset devices and iPad.

3. PLEASE NOTE: Receiving live on-air signals using iSDR requires purchasing or constructing a "quadrature sampling detector (QSD)" RF front-end device, and connecting it between an antenna and the microphone input jack.

4. PLEASE READ THE ENTIRE DESCRIPTION BEFORE PURCHASING. iSDR is the first and only software-defined radio application compatible with the Apple iPhone®, iPod touch® and iPad™. iSDR is for experimenters and amateur radio enthusiasts looking to construct a truly portable software-defined radio receiver.

5. Without a QSD RF front-end or a connected radio, iSDR will only play I/Q recordings of actual radio signals.

6. Visit the support web site for more information. iSDR includes a sample I/Q recording featuring 30 seconds of a ham radio contest.

7. Alternatively, iSDR can be used to implement a panadapter for use with a compatible radio receiver.

8. Additional recordings can be loaded into the app using iTunes file sharing - some recordings are available free to download from the Internet.

9. Currently, iOS devices will not work with RTL-SDR USB dongles, and they are not supported by iSDR.

10. Additional hardware is required to receive live signals.

11. Despite its extreme portability, the app utilizes the same digital signal processing techniques found in PC-based SDR receivers.