Filter
Top Products
Copernicus GPS Receiver 231
NMEA 0183 C
IO Ionosphere
This sentence can be used to query or set ionosphere data.
$PTNLaIO,hh,hh,hh,hh,hh,hh,hh,hh*hh,<CR><LF>
KG - Set Initial Position
This sentence can be used to set initial position or time info data or both for
accelerating navigation startup. To set time only, send valid time fields and NULL
position fields. To set position only, send valid position fields and NULL time fields.
Query is not supported.
$PTNLaKG,x.x,x.x,llll.lllll,a,yyyyy.yyyyy,a,x.x*hh
<CR><LF>
Note – When uploading a position, it should be within 100 Km of the actual position
and time within 5 minutes of UTC.
Table C.23 Ionosphere
Field Description
a Mode (Q = query; S = set; R = Response)
hh Alpha_0, HEX data conforming to GPS ICD 200.
hh Alpha_1, HEX data conforming to GPS ICD 200.
hh Alpha_2, HEX data conforming to GPS ICD 200.
hh Alpha_3, HEX data conforming to GPS ICD 200.
hh Beta_0, HEX data conforming to GPS ICD 200.
hh Beta_1, HEX data conforming to GPS ICD 200.
hh Beta_2, HEX data conforming to GPS ICD 200.
hh Beta_3, HEX data conforming to GPS ICD 200.
Table C.24 Set Initial Position
Field Description
a Mode (S = set; R = Response)
x.x GPS week number, maximum 4 digits
x.x GPS time of week in milliseconds
llll.lllll Latitude
aN | S
yyyyy.yyyyy Longitude
aE | W
x.x Altitude from the sea level in meters (maximum 5 digits)