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iSDR

iSDR
  • #: 151650
  • Price: free ($0.00) In Apple Store
  • Category: Education
  • Updated: 2011-03-10
  • Current Version: 2.2
  • 2.2 (iOS 4.0 Tested)
  • Size: 5.50 MB
  • Language: English
  • Seller: Charles Scharlau
  • Requirements: Compatible with iPhone, iPod touch (2nd generation), iPod touch (3rd generation), iPod touch (4th generation), and iPad. Requires iOS 3.1.3 or later
  • © Charles E. Scharlau
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Description

iSDR is a software defined radio application designed for experimenters, shortwave listeners, and amateur radio enthusiasts looking for a truly portable software-defined radio receiver.

Note: receiving live on-air signals will require purchasing or constructing a "quadrature sampling detector (QSD)" and connecting it between an antenna and the microphone input jack. Without the QSD device iSDR will play an internal audio file recording of actual radio signals. Please see the support web site for more information.

iSDR is not a streaming audio application. It is designed to let the listener experience actual on-air radio reception of signals received using a simple wire antenna! iSDR can also play an internal audio file so that everyone can experience the thrill of software defined shortwave reception, even without a QSD accessory attached.

iSDR works best on iPhone 3Gs, iPod touch 3rd Gen., iPad and later generation products. NOT RECOMMENDED for iPhone 3G or iPod touch 2G.

Features include:

o Three display modes: Spectrum, Waterfall and Oscilloscope

o Five receive modes: LSB, USB, CW, AM, and Binaural

o Automatic gain control: slow, fast and off

o Signal strength meter covering 120 dB of dynamic range

o Up to 44.1 kHz of available spectrum bandwidth

o Frequency is displayed with 100 Hz resolution

o Accepts stereo (44.1 kHz) or monaural (22 kHz) microphone input, and automatically adjusts the display to reflect the correct bandwidth

o Recorded audio file built in for off-line use, or download your own!

o Embed the center frequency in your file names and iSDR will automatically display the correct frequency!

o Automatically detects if external audio is available (feature is menu selectable)

o Reversible I/Q microphone input logic (feature is menu selectable)

o Selectable bandwidth settings appropriate to each mode

o Tuning, mode, bandwidth and AGC settings are all controlled from within the main display - no menu searching!

o User-adjustable displayed center frequency setting, including negative frequency values (feature is menu selectable)

o Display lock - prevents settings from being changed inadvertently

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The information may be outdated (2011-04-18 01:04:44). For actual information go to iTunes


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