GPS Free Stack/Web Links

References

• http://zone.ni.com/devzone/cda/tut/p/id/4805 IQ Signals
• http://www.fpga4fun.com/QuadratureDecoder.html Quadrature signals
• http://www.kowoma.de/en/gps/signals.htm gps signaling quick intro
• http://en.wikipedia.org/wiki/GPS_signals gps signaling
• https://secure.wikimedia.org/wikipedia/en/wiki/BPSK#Binary_phase-shift_keying_.28BPSK.29
• https://secure.wikimedia.org/wikipedia/en/wiki/Digital_Down_Converter
• http://www.maxim-ic.com/app-notes/index.mvp/id/602 RF-to-IF front
• http://sige.com/files/DST-00059_SE4120L_Brief_Rev_3p5_May-26-2009.pdf RF IC Front SE4120 recommended to read
• http://www.atmel.com/dyn/resources/prod_documents/doc4866.pdf GPS Front-end
• http://gpspp.sakura.ne.jp/rtklib/rtklib_beagleboard.htm RTKLIB beagle board
• https://secure.wikimedia.org/wikipedia/en/wiki/Open_Geospatial_Consortium
• http://www.gnssapplications.org <<< please got the book is really usefull !
• http://www.gpstk.org gps tool kit
• http://www.gps-sdr.com/projects/show/gps-sdr gps software defined radio
• http://www.gps-sdr.com/boards/1/topics/show/5 Where we go from here? gps-sdr forums
• http://michelebavaro.blogspot.com/2010/05/linking-primo-with-gps-sdr.html workign software with gps-sdr
• http://home.earthlink.net/~cwkelley/ open source gps - osgprs
• http://www.nsl.eu.com/primo.html PRIMO close source data acquisition board using Maxim gps chip + cpld + microcontroller
• http://ccar.colorado.edu/gnss/ gnss colorado university
• http://kom.aau.dk/project/softgps/ GPS SDR SiGE
• http://www.sparkfun.com/commerce/product_info.php?products_id=8238 used in "A software defined gps" book with fastgps sofware
• http://gn3s-nix.sourceforge.net/ SigE GNS3 dongle software fronted
• http://igscb.jpl.nasa.gov/components/formats.html
• http://igscb.jpl.nasa.gov/components/prods.html
• http://igscb.jpl.nasa.gov/components/data.html
• http://www.gnu.org/software/octave/doc/interpreter/Standalone-Programs.html octave standalone
• https://secure.wikimedia.org/wikipedia/en/wiki/Signed_number_representations sign/magnitude
• http://www.gps-sdr.com/wiki/gps-sdr/Build compiling gps-sdr for debian squeeze
• http://www.gpscreations.com/Products_GPS1A.html GPS1A module for the osgps software
• http://www.fftw.org FFTW
• http://gnsstk.sourceforge.net/ The Essential GNSS Project
• http://www.gps-sdr.com/wiki/gps-sdr/Architecture gps-sdr Architecture
• http://michelebavaro.blogspot.com/2008/01/weird-results-prn-127-is-really-gagan.html
• http://elec.otago.ac.nz/w/index.php/FFT
• http://www.piclist.org/techref/method/ffts.htm
• http://gps.aau.dk/fileadmin/gps/Dowloads/Presentations/software_receiver.ppt step by step sofware side
• http://lea.hamradio.si/~s53mv/navsats/theory.html A homemade receiver for GPS & GLONASS satellites
• http://www.ctae.org/sdr/ data related to gps-sdr
• http://www.gnuplotting.org/defining-piecewise-functions/ time to plot our waves
• http://kom.aau.dk/project/softgps/receiverTechnologyPart3.htm software defined GPS slides
• http://gnuradio.org/redmine/wiki/1/GlobalPositioningSystem gnu radio GPS info
• http://web.archive.org/web/20061214222310/http://www.navcen.uscg.gov/gps/geninfo/ICD-GPS-200C+with+IRNs+12345.pdf Interface Control Document GPS
• http://www.gps-sdr.com/attachments/5/binary_converter.pl binary USRP GPS to gps-sdr 16Bit IQ
• http://gpspp.sakura.ne.jp/rtklib/rtklib.htm rtklib