Specifications

102

GSV Sentences

This outputs data on GPS Satellites in View.

GSV sentences show current data on the satellites from which a signal can be received. A single

sentence contains data up to four satellites. Data on the fifth and subsequent satellites is output in

multiple lines. In the example below, data is provided on eight satellites in two sentences.

Example of output:

$GPGSV,2,1,08,13,22,148,16,17,78,326,33,28,31,209,29,04,39,289,46*73

$GPGSV,2,2,08,11,26,083,21,20,51,047,,02,06,274,40,23,34,111,32*7F

The first sentence contains the following information.

Table 2.74

Item Description Validity

$GPGSV Yes

2 Total message count Yes

1 Message no. Yes

08, No. of satellites from which signal can be transmitted Yes

13 Satellite no. Yes

22 Elevation (degrees) Yes

148 Direction (degrees) Yes

Indicates the signal-to-noise ratio (SNR; dB) when receiving a signal.

The higher the ratio, the better the signal.

Ye s

Items 5 to 8 repeated 0 to 3 times

*73 Checksum Yes

Note:

“Yes” indicates the presence of the valid output.

“No” indicates the absence of the valid output.