http://www.gpsreview.net/understanding-l2c-l2-gps/ GPS Reviews for Garmin, Magellan, TomTom, and other GPS Systems Sat, 21 Nov 2009 02:27:52 -0500 http://wordpress.org/?v=2.8.6 hourly 1 http://www.gpsreview.net/understanding-l2c-l2-gps/#comment-41596 Rod Johnson Thu, 26 Jul 2007 17:36:15 +0000 http://www.gpsreview.net/?p=745#comment-41596 Benny, you are on the right track. GPS is like a radio receiver... with an extremely narrow frequency range and weak signal. Whenever you hear "different frequency, think; additional discrete narrow band electronics inside. The antennas are narrow band also, so it means more electronics there too. Realistically, consumer grade receivers are cost driven so don't expect to see L2 or L5 showing up in the near future. It's more likely you'll see Galileo L1 and that won't be for a few years as it stands today. Cheers. Benny, you are on the right track. GPS is like a radio receiver… with an extremely narrow frequency range and weak signal. Whenever you hear “different frequency, think; additional discrete narrow band electronics inside. The antennas are narrow band also, so it means more electronics there too. Realistically, consumer grade receivers are cost driven so don’t expect to see L2 or L5 showing up in the near future. It’s more likely you’ll see Galileo L1 and that won’t be for a few years as it stands today.
Cheers.

]]> http://www.gpsreview.net/understanding-l2c-l2-gps/#comment-2890 GPS Review Fri, 26 May 2006 12:14:27 +0000 http://www.gpsreview.net/?p=745#comment-2890 I'm afraid actually making an L2C receiver is beyond my technical abilities. I’m afraid actually making an L2C receiver is beyond my technical abilities.

]]> http://www.gpsreview.net/understanding-l2c-l2-gps/#comment-2888 Benny Fri, 26 May 2006 09:28:17 +0000 http://www.gpsreview.net/?p=745#comment-2888 After reading the article above, I know that the receiver antenna has to be changed to receive two diffenert frequency signals (one is L1, the other is L2C). My question is: can you explain more about the receiver modification for accommodating L2C based on L1 receiver? such as the change in RF Front-end, correlator and chipset. After reading the article above, I know that the receiver antenna has to be changed to receive two diffenert frequency signals (one is L1, the other is L2C).
My question is: can you explain more about the receiver modification for accommodating L2C based on L1 receiver? such as the change in RF Front-end, correlator and chipset.

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