Thanks for your C++ class, it very interesting.

I am new in the GPS World and I was looking for a clean and small solution for my project. My question is if this class is still compatible/working with newer GPS receivers which I think they now support the newer NMEA0183 protocol.

Trying a simple C++ application I found in the codeproject.com (Add GPS support to your desktop) I get "parse error" with this class library.

Best Regards,
George

I'm not sure if this library indicates which version of the NMEA 0183 standard that it's built against, however it appears to be a 2.x version. If you'd like to use this library with 3.x standard sentences here are a couple issues I ran into and how to fix it.

The GVS sentence parser can only handle 12 satellites using 3 sentences. The NMEA standard (3.01) indicates 9 sentences are supported for up to 36 satellites. This will cause a crash in the parser for GVS sentences reporting more than 12 satellites. The fix is to increase the array size from 12 to 36 in GSV.HPP.

The RMC message fails the checksum evaluation because it's not referencing the checksum field in the sentence. Field 12 is the Mode Indicator field (per the 3.01 standard) and field 13 is used as the checksum. The fix is to pass 13 instead of 12 into the sentence.IsChecksumBad() method call in RMC.CPP.

I'm sure there may be issues with other sentences but these are the only sentences where I've noticed issues.
Cheers.