Here is the output without delay. As you can see, it's hit or miss. Never mind the occasional hiccup.

This is why I need to parse the data to clean up the output and I need to pause the GPS data to make sure I get a clean string.

$GPGGA,033339.00,3405.30080,N,11818.$GPGGA,033342.00,3405.30107 $GPGGA,033345.00,3405.30144BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.68

BMP085 Pressure (pa): -30918.0

SHT15 TEMP: 73.9

SHT15 HUMID: 44.97

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

,N,11818.86478,W,2,08,1.39,00102,M,-033,M,,*56

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.35

BMP085 Pressure (pa): -30925.0

SHT15 TEMP: 73.5

SHT15 HUMID: 44.97

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

347.6,M,000.00,N,000.00,K,D*20

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.19

BMP085 Pressure (pa): -30927.0

SHT15 TEMP: 73.7

SHT15 HUMID: 45.7

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

┼4в║r▓bjbВВВrВВbrbВВВrВВbZ╞"RТВjR№$GPGGA,033401.00,3405.30294,N000,KD2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.93

BMP085 Pressure (pa): -30923.0

SHT15 TEMP: 73.2

SHT15 HUMID: 45.11

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

00.00,N,000.00,K,D*20

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.35

BMP085 Pressure (pa): -30922.0

SHT15 TEMP: 73.0

SHT15 HUMID: 45.11

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

йiTHИщ Х ╒ iЩSУ)ЙЙКiYУУщЙйК У )brbВВВrК▓bZb"RТТjR№$GPGGA,0334,,000,,D2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.19

BMP085 Pressure (pa): -30917.0

SHT15 TEMP: 73.0

SHT15 HUMID: 45.4

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

0.0,T,347.6,M,000.00,N,000.00,K,D*20

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.35

BMP085 Pressure (pa): -30918.0

SHT15 TEMP: 72.98

SHT15 HUMID: 45.11

TMP102 #1 (C): 22.93

TMP102 #1 (F): 73.28

brbВВВrВВbZb"RТВjR№$GPGGA,033441.00,3405.30362,N,11818.86327,W,.0,,D2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.44

BMP085 Pressure (pa): -30922.0

SHT15 TEMP: 72.96

SHT15 HUMID: 45.4

TMP102 #1 (C): 23.0

TMP102 #1 (F): 73.39

ВВrВbвbЪв║r▓bjbВВВrВВbrbВВВrВВbZb"RТВjR№$GPGGA,033448.00,3405.3M,0.0,,000,,D2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.61

BMP085 Pressure (pa): -30920.0

SHT15 TEMP: 72.98

SHT15 HUMID: 45.11

TMP102 #1 (C): 23.0

TMP102 #1 (F): 73.39

ВВrВВbZb"RТВjR№$GPGGA,033459.00,3405.30356,N,11818.86324,W,2,080,,*0

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.10

BMP085 Pressure (pa): -30920.0

SHT15 TEMP: 72.94

SHT15 HUMID: 45.17

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

iЙ╙У╔ЙйК У ╔К У iКЙJI SH°$GPGGA,033514.00,3405.30384,N,,KD2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.85

BMP085 Pressure (pa): -30911.0

SHT15 TEMP: 72.91

SHT15 HUMID: 45.20

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

ВrВbвbЪв║r▓bjbВВВrВВbrbВВВrВВbZb"жТВjR№$GPGGA,033525.00,3405.30000,KD2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.52

BMP085 Pressure (pa): -30919.0

SHT15 TEMP: 72.89

SHT15 HUMID: 45.17

TMP102 #1 (C): 23.0

TMP102 #1 (F): 73.39

eEu┼ У ЙЙКiЙ╙У╔ЙйК У ╔К У iКЙJI SH°$GPGGA,033536.00,376,,000,,000,KD2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.61

BMP085 Pressure (pa): -30919.0

SHT15 TEMP: 72.85

SHT15 HUMID: 45.24

TMP102 #1 (C): 23.0

TMP102 #1 (F): 73.39

6,M,000.00,N,000.00,K,D*20

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.35

BMP085 Pressure (pa): -30915.0

SHT15 TEMP: 72.82

SHT15 HUMID: 45.24

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

M,000.00,N,000.00,K,D*20

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.35

BMP085 Pressure (pa): -30909.0

SHT15 TEMP: 72.80

SHT15 HUMID: 45.24

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

$GPGGA,033610.00,3405.30373,N,11818.80.0N,0.0,,*0

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.44

BMP085 Pressure (pa): -30920.0

SHT15 TEMP: 72.82

SHT15 HUMID: 45.27

TMP102 #1 (C): 0.6

TMP102 #1 (F): 31.88

$GPGGA,03361$GPGGA,033615.00,3405.30371,N,11818.86283,W,2,08,1. $GPGGA,033618.00,3405.30372BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.93

BMP085 Pressure (pa): -30913.0

SHT15 TEMP: 72.82

SHT15 HUMID: 45.27

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

,N,11818.86275,W,2,07,1.47,00108,M,-033,M,,*5B

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.68

BMP085 Pressure (pa): -30915.0

SHT15 TEMP: 72.85

SHT15 HUMID: 45.27

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

$GPVTG,000.T46,$GPGGA,033622.00,3405.30367,N,11818.86275,W,2,0 $GPGGA,033625.00,3405.30367,BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.77

BMP085 Pressure (pa): -30914.0

SHT15 TEMP: 72.82

SHT15 HUMID: 45.24

TMP102 #1 (C): 23.0

TMP102 #1 (F): 73.39

N,11818.86252,W,2,06,1.49,00108,M,-033,M,,*5B

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.10

BMP085 Pressure (pa): -30913.0

SHT15 TEMP: 72.82

SHT15 HUMID: 45.20

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

╒ i█SУiЙЙКiIУУ)bjbВВВrКвbrbВВВrТ▓bZb"RТ jд№$GPGGA,033634.00,34,D2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.60

BMP085 Pressure (pa): -30912.0

SHT15 TEMP: 72.84

SHT15 HUMID: 45.17

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

00.14,N,000.26,K,D*28

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 119.10

BMP085 Pressure (pa): -30914.0

SHT15 TEMP: 72.80

SHT15 HUMID: 45.20

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

brbВВВrЪЪbZb"RТЪjR№$GPGGA,033652.00,3405.30406,N,11818.86161,W,*2

BMP085 (C): 22.50

BMP085 (F): 72.50

BMP085 Altitude (m): 118.60

BMP085 Pressure (pa): -30914.0

SHT15 TEMP: 72.80

SHT15 HUMID: 45.27

TMP102 #1 (C): 23.6

TMP102 #1 (F): 73.51

0,T,347.6,M,000.00,N,000.00,K,D*20