BU-303 Sporadic Fix Results

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BU-303 Sporadic Fix Results

by Brian Jenkins-3 :: Rate this Message:

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Hello all:

Just got a BU-303 and got it working with gpsd after a little trial
and error. I can get a fix now but it is spotty. In watch mode every
other O returns ?, also gpsd reports has a fix, then confused, then
has a fix, then confused... see the snippet below. Also below that is
a snippet from `gpsd -D3`

This is workable but it makes navigation a bit of a hassle. Any advice
on why this happens or how to fix it? Thanks

GPSD,Y=MID4 1257618000.620 9:28 62 142 46 1:17 67 340 47 1:27 22 298
36 0:2 9 226 0 0:11 19 55 36 1:4 41 223 44 1:20 36 84 41 1:9 19 307 38
1:135 17 246 29 0:
GPSD,O=MID2 1257618000.620 0.005 39.026015673 -77.029147885 95.730
4.500 8.231 0.0000 0.000 0.000 ? ? ? 3
GPSD,O=?
GPSD,O=MID2 1257618001.620 0.005 39.026008873 -77.029139223 96.661
4.500 8.231 98.2523 0.123 0.022 ? 7.05 ? 3
GPSD,O=?
GPSD,O=MID2 1257618002.620 0.005 39.026000562 -77.029158252 99.388
4.500 8.231 0.0000 0.000 0.000 ? 7.05 ? 3
GPSD,O=?
GPSD,O=MID2 1257618003.620 0.005 39.025996506 -77.029163436 101.531
4.500 8.231 0.0000 0.000 0.000 ? 7.05 ? 3
GPSD,O=?
GPSD,O=MID2 1257618004.620 0.005 39.025993920 -77.029171212 105.062
4.500 8.231 0.0000 0.000 0.000 ? 7.05 ? 3
GPSD,O=?


# gpsd -n -N -D3 /dev/gps0
...
gpsd: GND 0x29: Navtype = 0x0, Status = 0, mode = 1
gpsd: client(0): channel 5 already active.
gpsd: GPS is confused about whether it has a fix (status=0, mode=3).
gpsd: MTD 0x04: 9 satellites
gpsd: MND 0x02: Navtype = 0x84, Status = 2, mode = 3
gpsd: client(0): channel 5 already active.
gpsd: GPS has a fix (status=2, mode=3).
gpsd: THR 0x09: SegStatMax=0.048, SegStatLat=  0, AveTrkTime=0.048, Last MS=132
gpsd: DGPSF1b01010101010101000000000000000004000a09ff320bffb311fff314ff6d1cfff7000000000000000000000000000000000000
gpsd: GND 0x29: Navtype = 0x0, Status = 0, mode = 1
gpsd: client(0): channel 5 already active.
gpsd: GPS is confused about whether it has a fix (status=0, mode=3).
gpsd: MTD 0x04: 9 satellites
gpsd: MND 0x02: Navtype = 0x84, Status = 2, mode = 3
gpsd: client(0): channel 5 already active.
gpsd: GPS has a fix (status=2, mode=3).
gpsd: THR 0x09: SegStatMax=0.027, SegStatLat=  0, AveTrkTime=0.027, Last MS=127
gpsd: DGPSF1b01010101010101000000000000000004000a09ff340bffb111001014ff501cfff5000000000000000000000000000000000000
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