diff options
Diffstat (limited to 'contrib/ntp/html/mx4200data.htm')
| -rw-r--r-- | contrib/ntp/html/mx4200data.htm | 198 |
1 files changed, 98 insertions, 100 deletions
diff --git a/contrib/ntp/html/mx4200data.htm b/contrib/ntp/html/mx4200data.htm index 212360764076..bca04748cebf 100644 --- a/contrib/ntp/html/mx4200data.htm +++ b/contrib/ntp/html/mx4200data.htm @@ -1,7 +1,8 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML Strict//EN"> <HTML> <HEAD> -<TITLE>MX4200 Receiver Data Format</TITLE> + <TITLE>MX4200 Receiver Data Format</TITLE> +</HEAD> <BODY> <h1>MX4200 Receiver Data Format</h1> @@ -10,23 +11,23 @@ <ul> <li><a href="#control">Control Port Sentences</a></li> - <li><a href="#input">Control Port Input Sentences</a> + <li><a href="#input">Control Port Input Sentences</a></li> <ul> - <li> <a href="#input_000">$PMVXG,000</a> Initialization/Mode Control - Part A</li> - <li> <a href="#input_001">$PMVXG,001</a> Initialization/Mode Control - Part B</li> - <li> <a href="#input_007">$PMVXG,007</a> Control Port Configuration</li> - <li> <a href="#input_023">$PMVXG,023</a> Time Recovery Configuration</li> - <li> <a href="#input_gpq">$CDGPQ,YYY</a> Query From a Remote Device / Request to Output a Sentence</li> + <li><a href="#input_000">$PMVXG,000</a> Initialization/Mode Control - Part A</li> + <li><a href="#input_001">$PMVXG,001</a> Initialization/Mode Control - Part B</li> + <li><a href="#input_007">$PMVXG,007</a> Control Port Configuration</li> + <li><a href="#input_023">$PMVXG,023</a> Time Recovery Configuration</li> + <li><a href="#input_gpq">$CDGPQ,YYY</a> Query From a Remote Device / Request to Output a Sentence</li> </ul> - <li><a href="#output">Control Port Output Sentences</a> + <li><a href="#output">Control Port Output Sentences</a></li> <ul> - <li> <a href="#output_000">$PMVXG,000</a> Receiver Status - <li> <a href="#output_021">$PMVXG,021</a> Position, Height, Velocity - <li> <a href="#output_022">$PMVXG,022</a> DOPs - <li> <a href="#output_030">$PMVXG,030</a> Software Configuration - <li> <a href="#output_101">$PMVXG,101</a> Control Sentence Accept/Reject - <li> <a href="#output_523">$PMVXG,523</a> Time Recovery Configuration - <li> <a href="#output_830">$PMVXG,830</a> Time Recovery Results + <li><a href="#output_000">$PMVXG,000</a> Receiver Status</li> + <li><a href="#output_021">$PMVXG,021</a> Position, Height, Velocity</li> + <li><a href="#output_022">$PMVXG,022</a> DOPs</li> + <li><a href="#output_030">$PMVXG,030</a> Software Configuration</li> + <li><a href="#output_101">$PMVXG,101</a> Control Sentence Accept/Reject</li> + <li><a href="#output_523">$PMVXG,523</a> Time Recovery Configuration</li> + <li><a href="#output_830">$PMVXG,830</a> Time Recovery Results</li> </ul> </ul> @@ -38,8 +39,8 @@ the receiver. The structure of the control port sentences is based on the <cite>NMEA-0183</cite> Standard for Interfacing Marine Electronics Navigation Devices (version 1.5). For more details, please refer to -the <cite>NMEA-0183</cite> Specification available from the <a -href="http://www.nmea.org/"> National Marine Electronics +the <cite>NMEA-0183</cite> Specification available from the +<a href="http://www.nmea.org/">National Marine Electronics Association</a>.</p> <p>Reserved characters are used to indicate the beginning and the end @@ -50,10 +51,7 @@ characters and defines their usage. <a href="#table_1">Table 1</a> illustrates the general Magnavox proprietary NMEA sentence format. </p> -<h4><a name="table_1">Table 1. Magnavox Proprietary NMEA Sentence -Format</a></h4> - -<p> +<h4><a name="table_1">Table 1. Magnavox Proprietary NMEA Sentence Format</a></h4> <code> $PMVXG,XXX,...................*CK </code> @@ -135,16 +133,16 @@ Initializes the time, position and antenna height of the MX4200. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Default <th>Range - <tr> <td>1 <td>Day <td> <td>Int <td> <td>1-31 - <tr> <td>2 <td>Month <td> <td>Int <td> <td>1-12 - <tr> <td>3 <td>Year <td> <td>Int <td> <td>1991-9999 - <tr> <td>4 <td>GMT Time <td>HHMMSS <td>Int <td> <td>000000-235959 + <tr> <td>1 <td>Day <td>  <td>Int <td>  <td>1-31 + <tr> <td>2 <td>Month <td>  <td>Int <td>  <td>1-12 + <tr> <td>3 <td>Year <td>  <td>Int <td>  <td>1991-9999 + <tr> <td>4 <td>GMT Time <td>HHMMSS <td>Int <td>  <td>000000-235959 <tr> <td>5 <td>WGS-84 Latitude <td>DDMM.MMMM<td>Float<td>0.0 <td>0 - 8959.9999 - <tr> <td>6 <td>North/South Indicator <td> <td>Char <td>N <td>N,S + <tr> <td>6 <td>North/South Indicator <td>  <td>Char <td>N <td>N,S <tr> <td>7 <td>WGS-84 Longitude <td>DDDMM.MMMM<td>Float<td>0.0 <td>0 - 17959.9999 - <tr> <td>8 <td>East/West Indicator <td> <td>Char <td>E <td>E,W + <tr> <td>8 <td>East/West Indicator <td>  <td>Char <td>E <td>E,W <tr> <td>9 <td>Altitude (height above Mean Sea Level) in meters (WGS-84) <td>Meters<td>Float<td>0.0<td>+/-99999.0 - <tr> <td>10 <td>Not Used <td> <td> <td> <td> + <tr> <td>10 <td>Not Used <td>  <td>  <td>  <td>  </table> Example:<br> <code>$PMVXG,000,,,,,,,,,,*48</code><br> @@ -160,14 +158,14 @@ DOP limits, and satellite elevation limits. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Default <th>Range - <tr> <td>*1 <td>Constrain Altitude <td> <td>Int <td>1 <td>0=3D Only<br>1=Auto<br>2=2D Only - <tr> <td>2 <td>Not Used <td> <td> <td> <td> + <tr> <td>*1 <td>Constrain Altitude <td>  <td>Int <td>1 <td>0=3D Only<br>1=Auto<br>2=2D Only + <tr> <td>2 <td>Not Used <td>  <td> <td>  <td>  <tr> <td>*3 <td>Horizontal Acceleration Factor<td>m/sec^2 <td>Float <td>1.0 <td>0.5-10.0 - <tr> <td>*4 <td>Not Used <td> <td> <td> <td> - <tr> <td>*5 <td>VDOP Limit <td> <td>Int <td>10 <td>1-9999 - <tr> <td>*6 <td>HDOP Limit <td> <td>Int <td>10 <td>1-9999 + <tr> <td>*4 <td>Not Used <td>  <td> <td>  <td>  + <tr> <td>*5 <td>VDOP Limit <td>  <td>Int <td>10 <td>1-9999 + <tr> <td>*6 <td>HDOP Limit <td>  <td>Int <td>10 <td>1-9999 <tr> <td>7 <td>Elevation Limit <td>Deg <td>Int <td>5 <td>0-90 - <tr> <td>8 <td>Time Output Mode <td> <td>Char <td>U <td>U=UTC<br>L=Local Time + <tr> <td>8 <td>Time Output Mode <td>  <td>Char <td>U <td>U=UTC<br>L=Local Time <tr> <td>9 <td>Local Time Offset <td>HHMM <td>Int <td>0 <td>+/- 0-2359 </table> Example:<br> @@ -185,14 +183,14 @@ that the receiver is to output. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Default <th>Range - <tr> <td>1 <td>Control Port Output Block Label<td> <td>Char <td> <td> - <tr> <td>2 <td>Clear Current Output List<td> <td>Int <td> <td>0=No<br>1=Yes - <tr> <td>3 <td>Add/Delete Sentence from List<td> <td>Int <td> <td>1=Append<br>2=Delete - <tr> <td>4 <td>Not Used <td> <td> <td> <td> - <tr> <td>5 <td>Sentence Output Rate <td>Sec <td>Int <td> <td>1-9999 - <tr> <td>6 <td># digits of Precision for CGA and GLL sentences<td> <td>Int <td>2 <td>2-4 - <tr> <td>7 <td>Not Used <td> <td> <td> <td> - <tr> <td>8 <td>Not Used <td> <td> <td> <td> + <tr> <td>1 <td>Control Port Output Block Label<td> <td>Char <td>  <td>  + <tr> <td>2 <td>Clear Current Output List<td> <td>Int <td>  <td>0=No<br>1=Yes + <tr> <td>3 <td>Add/Delete Sentence from List<td> <td>Int <td>  <td>1=Append<br>2=Delete + <tr> <td>4 <td>Not Used <td>  <td>  <td>  <td>  + <tr> <td>5 <td>Sentence Output Rate <td>Sec <td>Int <td>  <td>1-9999 + <tr> <td>6 <td># digits of Precision for CGA and GLL sentences<td>  <td>Int <td>2 <td>2-4 + <tr> <td>7 <td>Not Used <td>  <td>  <td>  <td>  + <tr> <td>8 <td>Not Used <td>  <td>  <td>  <td>  </table> Example:<br> <code>$PMVXG,007,022,0,1,,1,,,*4F</code> @@ -212,13 +210,13 @@ unit. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Default <th>Range - <tr> <td>*1 <td>Time Recovery Mode <td> <td>Char <td>D <td>D=Dynamic<br>S=Static<br>K=Known Position<br>N=No Time Recovery - <tr> <td>2 <td>Time Synchronization <td> <td>Char <td>G <td>U=UTC<br>G=GPS - <tr> <td>3 <td>Time Mark Mode <td> <td>Char <td>A <td>A=Always<br>V=Valid Pulses Only + <tr> <td>*1 <td>Time Recovery Mode <td>  <td>Char <td>D <td>D=Dynamic<br>S=Static<br>K=Known Position<br>N=No Time Recovery + <tr> <td>2 <td>Time Synchronization <td>  <td>Char <td>G <td>U=UTC<br>G=GPS + <tr> <td>3 <td>Time Mark Mode <td>  <td>Char <td>A <td>A=Always<br>V=Valid Pulses Only <tr> <td>4 <td>Maximum Time Error <td>Nsec <td>Int <td>100 <td>50-1000 <tr> <td>5 <td>User Time Bias <td>Nsec <td>Int <td>0 <td>+/- 99999 - <tr> <td>6 <td>ASCII Time Message Control<td> <td>Int <td>0 <td>0=No Output<br>1=830 to Control Port<br>2=830 to Equipment Port - <tr> <td>7 <td>Known Pos PRN <td> <td>Int <td>0 <td>1-32<br>0=Track All Sats + <tr> <td>6 <td>ASCII Time Message Control<td> <td>Int <td>0 <td>0=No Output<br>1=830 to Control Port<br>2=830 to Equipment Port + <tr> <td>7 <td>Known Pos PRN <td>  <td>Int <td>0 <td>1-32<br>0=Track All Sats </table> Example:<br> <code>$PMVXG,023,S,U,A,500,0,1,*16</code> @@ -235,10 +233,10 @@ sentence <a href="#input_007">$PMVXG,007</a>. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Default <th>Range - <tr> <td>1:CD <td>ID of Remote Device <td> <td>Char <td> <td>(See <cite>NMEA-0183</cite>) - <tr> <td>2:GP <td>GPS <td> <td>Char <td> <td>(See <cite>NMEA-0183</cite>) - <tr> <td>3:Q <td>Query <td> <td>Char <td> <td>(See <cite>NMEA-0183</cite>) - <tr> <td>4:YYY <td>Label of Desired Sentence<td> <td>Char <td> <td>Any Valid NMEA or Magnavox Sentence Type + <tr> <td>1:CD <td>ID of Remote Device <td>  <td>Char <td>  <td>(See <cite>NMEA-0183</cite>) + <tr> <td>2:GP <td>GPS <td>  <td>Char <td>  <td>(See <cite>NMEA-0183</cite>) + <tr> <td>3:Q <td>Query <td>  <td>Char <td>  <td>(See <cite>NMEA-0183</cite>) + <tr> <td>4:YYY <td>Label of Desired Sentence<td> <td>Char <td>  <td>Any Valid NMEA or Magnavox Sentence Type </table> Example:<br> <code>$CDGPQ,030*5E</code> @@ -261,11 +259,11 @@ tracked. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range - <tr> <td>1 <td>Current Receiver Status <td> <td>Char <td>ACQ=Reacquisition<br>ALT=Constellation Selection<br>IAC=Initial Acquisition<br>IDL=Idle, No Satellites<br>NAV=Navigating<br>STS=Search The Sky<br>TRK=Tracking - <tr> <td>2 <td>Number of Satellites that should be Visible <td> <td>Int <td>0-12 - <tr> <td>3 <td>Number of Satellites being Tracked <td> <td>Int <td>0-12 + <tr> <td>1 <td>Current Receiver Status <td>  <td>Char <td>ACQ=Reacquisition<br>ALT=Constellation Selection<br>IAC=Initial Acquisition<br>IDL=Idle, No Satellites<br>NAV=Navigating<br>STS=Search The Sky<br>TRK=Tracking + <tr> <td>2 <td>Number of Satellites that should be Visible <td> <td>Int <td>0-12 + <tr> <td>3 <td>Number of Satellites being Tracked <td>  <td>Int <td>0-12 <tr> <td>4 <td>Time since Last Navigation <td>HHMM <td>Int <td>0-2359 - <tr> <td>5 <td>Initialization Status <td> <td>Int <td>0=Waiting for Initialization<br>1=Initialization Complete + <tr> <td>5 <td>Initialization Status <td>  <td>Int <td>0=Waiting for Initialization<br>1=Initialization Complete </table> Example:<br> <code>$PMVXG,000,TRK,3,3,0122,1*19</code> @@ -283,14 +281,14 @@ applications.</em> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range <tr> <td>1 <td>UTC Measurement Time <td>Seconds into the week<td>Float<td>0-604800.00 <tr> <td>2 <td>WGS-84 Latitude <td>DDMM.MMMM<td>Float <td>0-89.9999 - <tr> <td>3 <td>North/South Indicator <td> <td>Char <td>N, S + <tr> <td>3 <td>North/South Indicator <td>  <td>Char <td>N, S <tr> <td>4 <td>WGS-84 Longitude <td>DDDMM.MMMM <td>Float <td>0-179.9999 - <tr> <td>5 <td>East/West Indicator <td> <td>Char <td>E, W - <tr> <td>6 <td>Altitude (MSL) <td>Meters <td>Float <td> - <tr> <td>7 <td>Geoidal Height <td>Meters <td>Float <td> - <tr> <td>8 <td>Velocity East <td>M/Sec <td>Float <td> - <tr> <td>9 <td>Velocity North <td>M/Sec <td>Float <td> - <tr> <td>10 <td>Navigation Mode <td> <td>Int <td><em>Navigating</em><br> + <tr> <td>5 <td>East/West Indicator <td>  <td>Char <td>E, W + <tr> <td>6 <td>Altitude (MSL) <td>Meters <td>Float <td>  + <tr> <td>7 <td>Geoidal Height <td>Meters <td>Float <td>  + <tr> <td>8 <td>Velocity East <td>M/Sec <td>Float <td>  + <tr> <td>9 <td>Velocity North <td>M/Sec <td>Float <td>  + <tr> <td>10 <td>Navigation Mode <td>  <td>Int <td><em>Navigating</em><br> 1=Position From a Remote Device<br> 2=2D<br> 3=3D<br> @@ -321,21 +319,21 @@ listed. The satellites are listed in receiver channel order. Fields <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range <tr> <td>1 <td>UTC Measurement Time <td>Seconds into the week<td>Float<td>0-604800.00 - <tr> <td>2 <td>East DOP (EDOP) <td> <td>Float <td> - <tr> <td>3 <td>North DOP (NDOP) <td> <td>Float <td> - <tr> <td>4 <td>Vertical DOP (VDOP) <td> <td>Float <td> - <tr> <td>5 <td>PRN on Channel #1 <td> <td>Int <td>1-32 - <tr> <td>6 <td>PRN on Channel #2 <td> <td>Int <td>1-32 - <tr> <td>7 <td>PRN on Channel #3 <td> <td>Int <td>1-32 - <tr> <td>8 <td>PRN on Channel #4 <td> <td>Int <td>1-32 - <tr> <td>9 <td>PRN on Channel #5 <td> <td>Int <td>1-32 - <tr> <td>10 <td>PRN on Channel #6 <td> <td>Int <td>1-32 - <tr> <td>11 <td>PRN on Channel #7 <td> <td>Int <td>1-32 - <tr> <td>12 <td>PRN on Channel #8 <td> <td>Int <td>1-32 - <tr> <td>13 <td>PRN on Channel #9 <td> <td>Int <td>1-32 - <tr> <td>14 <td>PRN on Channel #10 <td> <td>Int <td>1-32 - <tr> <td>15 <td>PRN on Channel #11 <td> <td>Int <td>1-32 - <tr> <td>16 <td>PRN on Channel #12 <td> <td>Int <td>1-32 + <tr> <td>2 <td>East DOP (EDOP) <td>  <td>Float <td>  + <tr> <td>3 <td>North DOP (NDOP) <td>  <td>Float <td>  + <tr> <td>4 <td>Vertical DOP (VDOP) <td>  <td>Float <td>  + <tr> <td>5 <td>PRN on Channel #1 <td>  <td>Int <td>1-32 + <tr> <td>6 <td>PRN on Channel #2 <td>  <td>Int <td>1-32 + <tr> <td>7 <td>PRN on Channel #3 <td>  <td>Int <td>1-32 + <tr> <td>8 <td>PRN on Channel #4 <td>  <td>Int <td>1-32 + <tr> <td>9 <td>PRN on Channel #5 <td>  <td>Int <td>1-32 + <tr> <td>10 <td>PRN on Channel #6 <td>  <td>Int <td>1-32 + <tr> <td>11 <td>PRN on Channel #7 <td>  <td>Int <td>1-32 + <tr> <td>12 <td>PRN on Channel #8 <td>  <td>Int <td>1-32 + <tr> <td>13 <td>PRN on Channel #9 <td>  <td>Int <td>1-32 + <tr> <td>14 <td>PRN on Channel #10 <td>  <td>Int <td>1-32 + <tr> <td>15 <td>PRN on Channel #11 <td>  <td>Int <td>1-32 + <tr> <td>16 <td>PRN on Channel #12 <td>  <td>Int <td>1-32 </table> Example:<br> <code>$PMVXG,022,142243.00,00.7,00.8,01.9,27,26,10,09,13,23*77</code> @@ -350,8 +348,8 @@ version numbers. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range - <tr> <td>1 <td>Nav Processor Version Number <td> <td>Char <td> - <tr> <td>2 <td>Baseband Firmware Version Number <td> <td>Char <td> + <tr> <td>1 <td>Nav Processor Version Number <td>  <td>Char <td>  + <tr> <td>2 <td>Baseband Firmware Version Number <td>  <td>Char <td>  </table> Example:<br> <code>$PMVXG,030,DA35,015</code> @@ -367,16 +365,16 @@ received. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range - <tr> <td>1 <td>Sentence ID <td> <td>Char <td> - <tr> <td>2 <td>Accept/Reject Status <td> <td>Int <td>0=Sentence Accepted<br> + <tr> <td>1 <td>Sentence ID <td>  <td>Char <td>  + <tr> <td>2 <td>Accept/Reject Status <td>  <td>Int <td>0=Sentence Accepted<br> 1=Bad Checksum<br> 2=Illegal Value<br> 3=Unrecognized ID<br> 4=Wrong # of fields<br> 5=Required Data Field Missing<br> 6=Requested Sentence Unavailable - <tr> <td>3 <td>Bad Field Index <td> <td>Int <td> - <tr> <td>4 <td>Requested Sentence ID (If field #1 = GPQ) <td> <td>Char <td> + <tr> <td>3 <td>Bad Field Index <td>  <td>Int <td>  + <tr> <td>4 <td>Requested Sentence ID (If field #1 = GPQ) <td>  <td>Char <td>  </table> Example:<br> <code>$PMVXG,101,GPQ,0,,030*0D</code> @@ -391,13 +389,13 @@ of the receiver. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range - <tr> <td>1 <td>Time Recovery Mode <td> <td>Char <td>D=Dynamic<br>S=Static<br>K=Known Position<br>N=No Time Recovery - <tr> <td>2 <td>Time Synchronization <td> <td>Char <td>U=UTC Time<br>G=GPS Time - <tr> <td>3 <td>Time Mark Mode <td> <td>Char <td>A=Always Output Time Pulse<br>V=Only when Valid - <tr> <td>4 <td>Maximum Time Error for which a time mark will be considered valid <td>Nsec <td>Int <td> - <tr> <td>5 <td>User Time Bias <td>Nsec <td>Int <td> - <tr> <td>6 <td>Time Message Control <td> <td>Int <td>0=No Message<br>1=830 to Control Port<br>2=830 to Equipment Port - <tr> <td>7 <td>Not Used <td> <td> <td> + <tr> <td>1 <td>Time Recovery Mode <td>  <td>Char <td>D=Dynamic<br>S=Static<br>K=Known Position<br>N=No Time Recovery + <tr> <td>2 <td>Time Synchronization <td>  <td>Char <td>U=UTC Time<br>G=GPS Time + <tr> <td>3 <td>Time Mark Mode <td>  <td>Char <td>A=Always Output Time Pulse<br>V=Only when Valid + <tr> <td>4 <td>Maximum Time Error for which a time mark will be considered valid <td>Nsec <td>Int <td>  + <tr> <td>5 <td>User Time Bias <td>Nsec <td>Int <td>  + <tr> <td>6 <td>Time Message Control <td>  <td>Int <td>0=No Message<br>1=830 to Control Port<br>2=830 to Equipment Port + <tr> <td>7 <td>Not Used <td>  <td>  <td>  </table> Example:<br> <code>$PMVXG,523,S,U,A,0500,000000,1,0*23</code> @@ -417,23 +415,23 @@ receivers. <p> <table border> <tr> <th>Field <th>Description <th>Units <th>Format <th>Range - <tr> <td>1 <td>Time Mark Valid <td> <td>Char <td>T=Valid<br>F=Not Valid - <tr> <td>2 <td>Year <td> <td>Int <td>1993- - <tr> <td>3 <td>Month <td> <td>Int <td>1-12 + <tr> <td>1 <td>Time Mark Valid <td>  <td>Char <td>T=Valid<br>F=Not Valid + <tr> <td>2 <td>Year <td>  <td>Int <td>1993- + <tr> <td>3 <td>Month <td>  <td>Int <td>1-12 <tr> <td>4 <td>Day <td>Nsec <td>Int <td>1-31 <tr> <td>5 <td>Time <td>HH:MM:SS<td>Int <td>00:00:00-23:59:59 - <tr> <td>6 <td>Time Synchronization <td> <td>Char <td>U=UTC<br>G=GPS - <tr> <td>7 <td>Operating Mode <td> <td>Char <td>D=Dynamic<br>S=Static<br>K=Known Position - <tr> <td>8 <td>Oscillator Offset - estimate of oscillator frequency error <td>PPB <td>Int <td> - <tr> <td>9 <td>Time Mark Error of last pulse <td>Nsec <td>Int <td> - <tr> <td>10 <td>User Time Bias <td>Nsec <td>Int <td> + <tr> <td>6 <td>Time Synchronization <td>  <td>Char <td>U=UTC<br>G=GPS + <tr> <td>7 <td>Operating Mode <td>  <td>Char <td>D=Dynamic<br>S=Static<br>K=Known Position + <tr> <td>8 <td>Oscillator Offset - estimate of oscillator frequency error <td>PPB <td>Int <td>  + <tr> <td>9 <td>Time Mark Error of last pulse <td>Nsec <td>Int <td>  + <tr> <td>10 <td>User Time Bias <td>Nsec <td>Int <td>  <tr> <td>11 <td>Leap Second Flag - indicates that a leap second will occur. This value is usually zero except during the week prior to a leap second occurence, when this value will be set to +/-1. A value of +1 indicates that GPS time will be 1 second further ahead of UTC time. - <td> <td>Int <td>-1,0,1 + <td>  <td>Int <td>-1,0,1 </table> Example:<br> <code>$PMVXG,830,T,1998,10,12,15:30:46,U,S,000298,00003,000000,01*02</code> |