If you can send us a file with the strings you captured, that'd be very helpful to us in understanding what's going on.
Here is an excerpt
$GPGGA,000052,3116.5391,N,09318.6506,W,1,11,0.8,4074.0,M,000.0,M,,*55
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.9,288.6,000.0,A*6E
$GPRMC,000053.00,A,3116.5539,N,09318.7014,W,165.0,289.0,,003.0,E*40
$GPGGA,000053,3116.5539,N,09318.7014,W,1,11,0.8,4073.0,M,000.0,M,,*50
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.8,288.6,000.0,A*6F
$GPRMC,000054.00,A,3116.5689,N,09318.7518,W,165.3,289.0,,003.0,E*45
$GPGGA,000054,3116.5689,N,09318.7518,W,1,11,0.8,4072.0,M,000.0,M,,*57
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.8,288.6,000.0,A*6F
$GPRMC,000055.00,A,3116.5839,N,09318.8026,W,165.3,289.0,,003.0,E*46
$GPGGA,000055,3116.5839,N,09318.8026,W,1,11,0.8,4071.0,M,000.0,M,,*57
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.7,288.6,000.0,A*60
$GPRMC,000056.00,A,3116.5989,N,09318.8529,W,165.3,289.0,,003.0,E*45
$GPGGA,000056,3116.5989,N,09318.8529,W,1,11,0.8,4071.0,M,000.0,M,,*54
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.7,288.6,000.0,A*60
$GPRMC,000057.00,A,3116.6139,N,09318.9038,W,165.3,289.1,,003.0,E*41
$GPGGA,000057,3116.6139,N,09318.9038,W,1,11,0.8,4072.0,M,000.0,M,,*52
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.7,288.6,000.0,A*60
$GPRMC,000058.00,A,3116.6290,N,09318.9541,W,165.1,289.1,,003.0,E*47
$GPGGA,000058,3116.6290,N,09318.9541,W,1,11,0.8,4073.0,M,000.0,M,,*57
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.6,288.6,000.0,A*61
$GPRMC,000059.00,A,3116.6441,N,09319.0049,W,164.8,289.1,,003.0,E*41
$GPGGA,000059,3116.6441,N,09319.0049,W,1,11,0.8,4074.0,M,000.0,M,,*5E
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.6,288.6,000.0,A*61
$GPRMC,000100.00,A,3116.6592,N,09319.0553,W,164.5,289.2,,003.0,E*43
$GPGGA,000100,3116.6592,N,09319.0553,W,1,11,0.8,4075.0,M,000.0,M,,*53
$GPBOD,289.2,T,286.2,M,K25TE,HOME*1A
$GPRMB,A,0.24,L,HOME,K25TE,3227.0085,N,09724.0179,W,219.5,288.6,000.0,A*62