Add intro

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Carles Fernandez 2018-01-27 12:09:27 +01:00
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**Welcome to GNSS-SDR!**
Visit [http://gnss-sdr.org](http://gnss-sdr.org "GNSS-SDR website") for more information about this open source GNSS software defined receiver.
This program is a software-defined receiver which is able to process (that is, to perform detection, synchronization, demodulation and decoding of the navigation message, computation of observables and, finally, computation of position fixes) the following Global Navigation Satellite System's signals:
In the L1 band (centered at 1575.42 MHz):
- 🛰 GPS L1 C/A :white_check_mark:
- 🛰 Galileo E1b/c :white_check_mark:
- 🛰 GLONASS L1 C/A :white_check_mark:
In the L2 band (centered at 1227.60 MHz):
- 🛰 GPS L2C :white_check_mark:
In the L5 band (centered at 1176.45 MHz):
- 🛰 GPS L5 :white_check_mark:
- 🛰 Galileo E5a :white_check_mark:
GNSS-SDR provides interfaces for a wide range of radio frequency front-ends, generates processing outputs in standard formats, allows for the full inspection of the whole signal processing chain, and offers a framework for the development of new features. Please visit [http://gnss-sdr.org](http://gnss-sdr.org "GNSS-SDR website") for more information about this open source software-defined GNSS receiver.