{"id":27,"date":"2022-06-22T17:27:05","date_gmt":"2022-06-22T17:27:05","guid":{"rendered":"http:\/\/www.n1xtb.net\/blog\/?p=27"},"modified":"2022-06-22T20:29:15","modified_gmt":"2022-06-22T20:29:15","slug":"ema-packet-infrastructure-notes","status":"publish","type":"post","link":"http:\/\/www.n1xtb.net\/blog\/ema-packet-infrastructure-notes\/","title":{"rendered":"EMA Packet infrastructure notes"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The VHF frequency 145.09 is pretty busy these days.  I took a look at what my station is hearing today and also what the BROCK node is hearing.  The ax2 interface is the active radio interface:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\/uronode$ J<br>Just Heard list:<br>Callsign Device Packets Date &amp; Time Frame Type(s)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">W1ZSA ax2 1247 Jun 22 12:44:22 Text<br>W1ZSA-1 ax2 1303 Jun 22 12:44:22 Text<br>KA1VSC-5 ax0 51752 Jun 22 12:44:04 NetRom<br>KZ2X ax2 814 Jun 22 12:42:01 Text<br>KD1CY ax2 469 Jun 22 12:41:23 Text<br>N1UMJ ax2 1971 Jun 22 12:40:39 Text<br>N1XTB-4 ax2 8348 Jun 22 12:40:04 Text<br>W1MV-7 ax2 6838 Jun 22 12:39:30 Text<br>KW1U-1 ax2 1767 Jun 22 12:38:26 Text<br>N1IQI ax2 3267 Jun 22 12:38:06 Text<br>W1SGL-10 ax2 4400 Jun 22 12:36:49 Text<br>KF1D-10 ax2 2406 Jun 22 12:36:29 Text<br>WB2CMF-5 ax0 15497 Jun 22 12:31:07 NetRom<br>WA1PLE-2 ax2 4191 Jun 22 12:17:27 Text<br>WX1BOX ax2 1165 Jun 22 11:56:56 Text<br>KW1U ax2 3524 Jun 22 10:27:13 Text<br>N1IQI-1 ax2 381 Jun 21 22:02:41 Text<br>ax2 2573 Jun 17 14:02:57 Text<br>W1JT-3 ax2 53 Jun 9 11:09:48 Text<br>WB2CMF-15 ax0 10 May 23 15:34:54<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">To get a bigger picture, the BROCK node has a large footprint, so took a look at what it hears using the long form JHeard command:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">uronode$ c ax2 brock<br>link setup (ax2)\u2026<br>*** connected to BROCK<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CONNECTED TO NODE BROCK(W1MV-7) CHANNEL A<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Welcome to BROCK (W1MV-7) in Brockton, Mass<br>ENTER COMMAND: B,C,J,N, or Help ?<br>J L<br>WX1BOX &gt; W1SGL-10 06\/21\/22 06:27:47<br>KF1D-10* &gt; AB1PH-10 06\/21\/22 06:37:17<br>VIA <em>WA1PLE-2 N1IQI<\/em> &gt; BEACON 06\/21\/22 06:38:56<br>VIA <em>BROCK KZ2X<\/em> &gt; BEACON 06\/21\/22 06:42:51<br>VIA <em>BROCK W1ZSA<\/em> &gt; BEACON 06\/21\/22 06:45:05<br>VIA <em>WA1PLE-2 W1ZSA-1<\/em> &gt; MBX 06\/21\/22 06:45:05<br>VIA <em>WA1PLE-2 W1SGL-10 &gt; BEACON 06\/21\/22 06:45:43 WA1PLE-2 &gt; BEACON 06\/21\/22 06:48:17 AB1PH-10 &gt; WL2KUS-5 06\/21\/22 06:53:26 KC1CNP &gt; BEACON 06\/21\/22 06:55:00 KW1U-1 &gt; ID 06\/21\/22 06:59:28 W1MV-7 &gt; ID 06\/21\/22 07:00:20 N1XTB-4<\/em> &gt; FBB 06\/21\/22 07:00:54<br>VIA *BROCK<br>N1XTB-7 &gt; ID 06\/21\/22 07:00:55<br>KD1CY &gt; N1XTB-10 06\/21\/22 07:03:58<br>N1XTB-10 &gt; KD1CY 06\/21\/22 07:04:22<br>BROCK &gt; N1XTB-15 06\/21\/22 07:04:32<br>N1XTB-15 &gt; BROCK 06\/21\/22 07:04:37<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Don Rolph AB1PH has done quite a bit of work keeping track of the Winlink and APRS stuff going on.   Hope to provide some of Don&#8217;s information shortly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The VHF frequency 145.09 is pretty busy these days. I took a look at what my station is hearing today and also what the BROCK node is hearing. The ax2 interface is the active radio interface: \/uronode$ JJust Heard list:Callsign Device Packets Date &amp; Time Frame Type(s) W1ZSA ax2 1247 Jun 22 12:44:22 TextW1ZSA-1 ax2 &hellip; <a href=\"http:\/\/www.n1xtb.net\/blog\/ema-packet-infrastructure-notes\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;EMA Packet infrastructure notes&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/posts\/27","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/comments?post=27"}],"version-history":[{"count":5,"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/posts\/27\/revisions"}],"predecessor-version":[{"id":34,"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/posts\/27\/revisions\/34"}],"wp:attachment":[{"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/media?parent=27"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/categories?post=27"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.n1xtb.net\/blog\/wp-json\/wp\/v2\/tags?post=27"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}