*** MGC Version 2.0 Release Notes ***

Several changes were made to version 2.0 of MGC32.DLL. 

mgcBearing returns the bearing in units of thousandths of a minute (1000 units = 1 deg).
Two sentence type can be specified rather than just one. See GGA_RMC.C
mgcGetSentenceType added that returns the current sentence type (defined in mgc.h)
mgcNewLatitude added that returns a new latitude at a specified distance and bearing.
mgcNewLongitude added that returns a new longitude at a specified distance and bearing.
mgcCallback added that implements a callback function. See the CALLBACK.C example program.

*** MGC Version 1.4 Release Notes ***

Added $GPVTG sentence type.
Additional internal diagnostics added.

*** MGC Version 1.3 Release Notes ***

Increased maximum number of fields from 19 to 20.
Receive buffer size increased from 256 to 1024.
Overflow wraps to empty.
Added constants for $GPVTG sentence type.
Added MGC_SET_SLEEP to mgcSetInteger (sets work buffer sleep time).
Added mgcStatus() function to return GPS data status.

*** MGC Version 1.2 Release Notes ***

KEYCODE

MarshallSoft GPS Component (MGC) application programs requires that you pass
a "key code" (32-bit integer) to mgcAttach. Use 0 for the shareware version.
For the registered version, you will be issued a 9 or 10 digit keycode that
matches your registered DLL, placed in KEYCODE.H in the APPS directory.

Error code -74 (MGC_BAD_KEY_CODE) is returned if the wrong key code is
passed.

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