api,dbus: update the fields retrievable in the raw GPS location source
Currently just provide the time of measurement, latitude, longitude and altitude.
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@@ -175,6 +175,11 @@
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The allowed key/value pairs and their formats are:
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</para>
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<variablelist>
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<varlistentry><term><literal>"utc-time"</literal></term>
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<listitem>
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(Required) UTC time in ISO 8601 format, given as a string value (signature <literal>"s"</literal>). e.g. <literal>203015</literal>.
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</listitem>
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</varlistentry>
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<varlistentry><term><literal>"latitude"</literal></term>
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<listitem>
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(Required) Latitude in Decimal Degrees (positive numbers mean N quadrasphere, negative mean S quadrasphere), given as a double value (signature <literal>"d"</literal>). e.g. <literal>38.889722</literal>, meaning 38d 53' 22" N.
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@@ -190,16 +195,6 @@
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(Optional) Altitude above sea level in meters, given as a double value (signature <literal>"d"</literal>). e.g. <literal>33.5</literal>.
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</listitem>
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</varlistentry>
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<varlistentry><term><literal>"horizontal-velocity"</literal></term>
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<listitem>
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(Optional) Horizontal velocity in meters-per-second, given as a double value (signature <literal>"d"</literal>). e.g. <literal>0.5</literal>.
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</listitem>
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</varlistentry>
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<varlistentry><term><literal>"vertical-velocity"</literal></term>
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<listitem>
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(Optional) Vertical velocity in meters-per-second, given as a double value (signature <literal>"d"</literal>). e.g. <literal>0.01</literal>.
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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@@ -229,7 +224,7 @@
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</literal></para>
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If the device then sends a <literal>$GPGSA</literal> sentence about 5 seconds later, the
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<literal>$GPGSA</literal> sentence is added to the string (since no <literal>$GPGSA</literal> sentence was
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literalviously received in this session), the updated string would be:
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obviously received in this session), the updated string would be:
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<para><literal>
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$GPRMC,134526.92,V,,,,,,,030136,,,N*76<CR><LF>$GPGGA,,,,,,0,00,0.5,,M,0.0001999,M,0.0000099,0000*45<CR><LF>$GPGSA,A,1,,,,,,,,,,,,,1.1,0.5,1.0*34
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</literal></para>
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