{"id":6319,"date":"2019-06-07T19:37:15","date_gmt":"2019-06-07T19:37:15","guid":{"rendered":"https:\/\/www.use-snip.com\/kb\/?post_type=ht_kb&#038;p=6319"},"modified":"2020-07-26T23:35:05","modified_gmt":"2020-07-26T23:35:05","slug":"the-avl-tab","status":"publish","type":"ht_kb","link":"https:\/\/www.use-snip.com\/kb\/knowledge-base\/the-avl-tab\/","title":{"rendered":"The AVL tab"},"content":{"rendered":"<p style=\"text-align: center;\"><a href=\"https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6328 size-post-mid\" src=\"https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-600x162.png?_t=1559938009\" alt=\"\" width=\"600\" height=\"162\" srcset=\"https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-600x162.png 600w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-300x81.png 300w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-768x207.png 768w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-1024x276.png 1024w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-50x13.png 50w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-920x248.png 920w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab-320x86.png 320w, https:\/\/www.use-snip.com\/kb\/wp-content\/uploads\/2019\/06\/AVLtab.png 1169w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>The <strong>Automatic Vehicle Location<\/strong> (<strong>AVL) <\/strong>tab is used to quickly see the last few <a href=\"https:\/\/www.use-snip.com\/kb\/knowledge-base\/nmea-gga-strings-in-ntrip-clients\/\">NMEA $GGA<\/a> reported locations for all connected <a href=\"https:\/\/www.use-snip.com\/kb\/knowledge-base\/question-what-is-an-ntrip-client\/\">NTRIP Client<\/a> devices.\u00a0 The tab also controls the AVL server which is used to send these locations to other connected machines (see <span style=\"color: #008000;\">Note A)<\/span>.\u00a0\u00a0 The AVL server provides a way to use <span style=\"color: #0000ff;\"><strong>SNIP<\/strong><\/span> as the front end to feed data to general purpose tracking and dispatch applications available from other 3rd party software providers.<\/p>\n<p>The AVL server allows other parties to connect to a designated TCP\/IP port on the <span style=\"color: #0000ff;\"><strong>SNIP<\/strong><\/span> Caster.\u00a0 All connected parties are sent a copy of each NMEA $GGA sentence when it arrives from each Rover device.\u00a0 The $GGA sentence is preceded with details about each user, as shown below (<em>identifying details obscured in this example to protect privacy<\/em>).\u00a0 A simple Latitude-Longitude-Height (LLH) format is also supported.\u00a0 Various other formats are being developed at this time; we invite <span style=\"color: #0000ff;\"><strong>SNIP<\/strong><\/span> operators to tell us about your formatting needs in this regard.\u00a0 A dated log file can also be kept of all $GGA sentences for post processing needs.<\/p>\n<p>The setup and control of the server is covered in greater detail in <strong>this article<\/strong>.<br \/>\n(link to be provided on release).<\/p>\n<pre>## AVL data streaming will follow next.\r\n## Format: UserName \/ Connection , RemoteIP:Port , NMEA $GGA Sentence &lt;cr&gt;&lt;lf&gt;\r\n## Lines starting with '##' are comments\r\n## Formats are subject the change as new styles are added\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184118.51,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*58\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184119.51,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*59\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184120.51,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*53\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184121.52,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*51\r\nDAN:C598537,152.16x.x5x.242:51645,MB123J4,$GPGGA,184127.00,1947.4123,N,07040.6030,W,5,15,0.8,-24.63,M,0.00,M,02,0000*5A\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184122.52,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*52\r\nAcadia_Unit2:C577301,21x.x3x.89.240:57464,Base-CMR,$GPGGA,184118.80,5001.929929,N,09919.533107,W,4,13,0.9,391.905,M,-22.170,M,,*5E\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184123.54,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*55\r\nC594897:C594897,204.11x.x13.60:44427,Base-CMR,$GPGGA,184124.40,5001.780938,N,09919.554756,W,4,13,0.9,392.107,M,-22.170,M,,*5A\r\ntest:C576869,204.11x.x13.160:49836,Base-CMR,$GPGGA,184122.80,4955.917881,N,09916.960313,W,4,13,0.9,387.487,M,-22.192,M,,*5E\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184124.54,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*52\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184125.54,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*53\r\nCONTIVOLVO:C567815,75.20x.x7x.176:51132,iCG60_2677079,$GPGGA,184130.00,3307.28627238,N,08016.63236722,W,4,11,1.0,23.597,M,-32.204,M,1.0,0539*48\r\nC600430:C600430,174.20x.x3x.198:3426,OSPA123,$GPGGA,184126,2800.00,N,09700.00,W,4,10,1,200,M,1,M,5,0*71\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184126.56,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*52\r\nDAN:C598537,152.16x.x5x.242:51645,MB123J4,$GPGGA,184132.00,1947.4123,N,07040.6030,W,5,15,0.8,-24.63,M,0.00,M,03,0000*5F\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184127.56,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*53\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184128.57,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*5D\r\nC555015:C555015,118.8.x1x.204:51664,base-ABC,$GPGGA,184129.57,4302.5897056,N,14122.0341264,E,1,00,1.0,-32.058,M,32.058,M,0.0,*5C<\/pre>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #008000;\"><strong>Note A<\/strong><\/span>:<br \/>\nA complete set of all current connected users, those both <em>with<\/em> and <em>without<\/em> any NMEA $GGA sentence content can also be displayed using the <a href=\"https:\/\/www.use-snip.com\/kb\/knowledge-base\/viewing-current-users\/\">Show Users<\/a> button found in the <a href=\"https:\/\/www.use-snip.com\/kb\/knowledge-base\/the-caster-and-clients-tab\/\"><strong><em>Caster and Clients<\/em><\/strong><\/a> tab.<\/p>\n<p><span style=\"color: #008000;\"><strong>Helpful Hint:<br \/>\n<\/strong><\/span>If you set the checkbox <em>Accept NMEA $GPGGA data<\/em> (which is found in the <em>Misc. Settings<\/em> of the<a href=\"https:\/\/www.use-snip.com\/kb\/knowledge-base\/the-preferences-dialog\/\"><strong> Preferences Dialog<\/strong><\/a>,\u00a0 then the Caster Table entries will be adjusted to tell every NTRIP Client to send NMEA-183 $GGA sentences.\u00a0 While not all NTRIP Clients will follow this direction, it will result in more devices sending NMEA $GGA sentences back to the Caster.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">The <strong>Automatic Vehicle Location<\/strong> (<strong>AVL) <\/strong>tab is only enabled for <em><span style=\"color: #993300;\"><strong>Pro<\/strong> <\/span><\/em>and <span style=\"color: #993300;\"><strong><em>Enterprise<\/em> <\/strong><\/span>models of <span style=\"color: #0000ff;\"><strong>SNIP<\/strong><\/span>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Automatic Vehicle Location (AVL) tab is used to quickly see the last few NMEA $GGA reported locations for all connected NTRIP Client devices.\u00a0 The tab also controls the AVL server which is used to send these locations to other connected machines (see Note A).\u00a0\u00a0 The AVL server provides a [&hellip;]<\/p>\n","protected":false},"author":13,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"ht-kb-category":[284],"ht-kb-tag":[442,443,242,92,181],"class_list":["post-6319","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-snip-tabs-and-controls","ht_kb_tag-avl","ht_kb_tag-dispatch","ht_kb_tag-gga","ht_kb_tag-server","ht_kb_tag-tracking"],"_links":{"self":[{"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/ht-kb\/6319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/comments?post=6319"}],"version-history":[{"count":13,"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/ht-kb\/6319\/revisions"}],"predecessor-version":[{"id":6322,"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/ht-kb\/6319\/revisions\/6322"}],"wp:attachment":[{"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/media?parent=6319"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/ht-kb-category?post=6319"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/www.use-snip.com\/kb\/wp-json\/wp\/v2\/ht-kb-tag?post=6319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}