{"id":3801,"date":"2024-06-20T19:10:47","date_gmt":"2024-06-20T17:10:47","guid":{"rendered":"https:\/\/grbbeta.tuke.sk\/?page_id=3801"},"modified":"2024-11-07T17:51:31","modified_gmt":"2024-11-07T16:51:31","slug":"home","status":"publish","type":"page","link":"https:\/\/grbbeta.tuke.sk\/index.php\/en\/home\/","title":{"rendered":"Home"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_section  avia-builder-el-first  container_wrap sidebar_right'  style='height: 701px; max-width: 1280px; margin: 0 auto;'  ><\/div>\n<div id='av_section_1'  class='avia-section av-m3xezt-61703eb4f6478d651d328677070e0f5c main_color avia-section-default avia-no-border-styling  avia-builder-el-1  el_after_av_layerslider  el_before_av_layout_row  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-3801'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lxnhumd8-71f30d4b29f6454d69b47a9065296a77\">\n#top .av-special-heading.av-lxnhumd8-71f30d4b29f6454d69b47a9065296a77{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lxnhumd8-71f30d4b29f6454d69b47a9065296a77 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lxnhumd8-71f30d4b29f6454d69b47a9065296a77 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lxnhumd8-71f30d4b29f6454d69b47a9065296a77 av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-2  el_before_av_hr  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >GRBBeta and its Mission<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<div  class='hr av-lxnhuzzt-0676b770afd01e6892390a2a2a6b76c2 hr-short  avia-builder-el-3  el_after_av_heading  el_before_av_one_half  hr-center'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-kf7mq1-620e68896316c17e6bb2ad2083e9cd75 av_one_half  avia-builder-el-4  el_after_av_hr  el_before_av_one_half  first flex_column_div  '     ><section  class='av_textblock_section av-lxnhwef2-dbaffe5f12b2969ba8eac8db3a3d2240 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 style=\"text-align: right;\">GRBBeta is a technology demonstration mission whose main mission is to validate the technology for the future constellation of CAMELOT nanosatellites, which will be used to record and accurately locate gamma-ray bursts from space.<\/h3>\n<p style=\"text-align: right;\">GRBBeta was created with the financial support of the Ministry of Education, Research, Development and Youth of the Slovak Republic. The project is carried out by the Technical University of Ko\u0161ice, Faculty of Aeronautics, and partners from various foreign institutions are collaborating on the project.<\/p>\n<p style=\"text-align: right;\">GRBBeta is a 2U CubeSat satellite. The dimensions of the satellite in the folded state (without deployed antennas) are 10 cm x 10 cm x 22.7 cm. The maximum mass of the satellite according to the standard for 2U is 2,66 kg.<\/p>\n<p style=\"text-align: right;\">The satellite contains the essential subsystems required for energy acquisition and storage, satellite orientation maintenance, communications, data storage and other necessary subsystems. The mission will also test some new subsystems. An advanced positioning module and a module for instant messaging over the Iridium satellite communications network. A pair of science facilities is also on board.<\/p>\n<p style=\"text-align: right;\">In addition to the science experiments, a digital converter will be available for radio amateurs to send messages via our satellite.<\/p>\n<p style=\"text-align: right;\">It is scheduled for launch on July 9, 2024. It will be carried into orbit by an ARIANE 6 rocket from the European Space Agency.<\/p>\n<p style=\"text-align: right;\">The supplier of the satellite platform is the Slovak company SPACEMANIC Ltd.<\/p>\n<\/div><\/section><\/div><div  class='flex_column av-isqfop-83d59e19c26d34b85c8c27b10734d367 av_one_half  avia-builder-el-6  el_after_av_one_half  avia-builder-el-last  flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085\">\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085 .avia-icon-circles-icon-1{\ntransform:translate(0px,250px);\nleft:50%;\ntop:0%;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085.avia_start_animation .avia-icon-circles-icon-1{\ntransform:translate(0px,0px);\nopacity:1;\ntransition-delay:1s;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085 .avia-icon-circles-icon-2{\ntransform:translate(-250px,0px);\nleft:100%;\ntop:50%;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085.avia_start_animation .avia-icon-circles-icon-2{\ntransform:translate(0px,0px);\nopacity:1;\ntransition-delay:1.2s;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085 .avia-icon-circles-icon-3{\ntransform:translate(0px,-250px);\nleft:50%;\ntop:100%;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085.avia_start_animation .avia-icon-circles-icon-3{\ntransform:translate(0px,0px);\nopacity:1;\ntransition-delay:1.4s;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085 .avia-icon-circles-icon-4{\ntransform:translate(250px,0px);\nleft:0%;\ntop:50%;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085.avia_start_animation .avia-icon-circles-icon-4{\ntransform:translate(0px,0px);\nopacity:1;\ntransition-delay:1.6s;\n}\n.av-icon-circles-container.av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085.avia_start_animation.avia_animation_finished .avia-icon-circles-icon{\ntransition-delay:0s;\n}\n<\/style>\n<div class='av-icon-circles-container av-lxni0au5-cb54f3ba28fb26a2daa2b36cc6155085 avia_animate_when_visible  avia-builder-el-7  avia-builder-el-no-sibling ' ><div class='avia-icon-circles-main-logo'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><img src='https:\/\/grbbeta.tuke.sk\/wp-content\/uploads\/2023\/11\/2U_GRBBeta.png' alt='' title='2U_GRBBeta'  itemprop=\"thumbnailUrl\"  \/><\/div><div class=\"avia-icon-circles-inner\"><div class='avia-icon-circles-icon av-lxnhxwmz-0febd55c38e1627ea1250a2bce55c10e iconfont av-no-link avia-icon-circles-icon-1' data-icon-circles-icon=\"1\" aria-hidden='true' data-av_icon='\ue8ab' data-av_iconfont='entypo-fontello'><\/div><div class='avia-icon-circles-icon-text av-lxnhxwmz-0febd55c38e1627ea1250a2bce55c10e avia-icon-circles-icon-text-1' data-icon-circles-text=\"1\"><div class=\"avia-icon-circles-icon-text-inner\"><div class=\"icon-title\">EDDIE<\/div><div class=\"icon-description\"><p>Eddie is the main computer unit of the GRBBeta satellite. This on-board computer is based on the MSP430 microcontroller and FreeRTOS firmware.<\/p>\n<\/div><\/div><\/div><div class='avia-icon-circles-icon av-lxnhynjm-577da71470ecf9842ccc6e3e428e7510 iconfont av-no-link avia-icon-circles-icon-2' data-icon-circles-icon=\"2\" aria-hidden='true' data-av_icon='\ue8d2' data-av_iconfont='entypo-fontello'><\/div><div class='avia-icon-circles-icon-text av-lxnhynjm-577da71470ecf9842ccc6e3e428e7510 avia-icon-circles-icon-text-2' data-icon-circles-text=\"2\"><div class=\"avia-icon-circles-icon-text-inner\"><div class=\"icon-title\">MURGAS<\/div><div class=\"icon-description\"><p>Spacemanic Murgas TRX is a nanosatellite transmitter module for communication in UHF or VHF frequency bands.<\/p>\n<\/div><\/div><\/div><div class='avia-icon-circles-icon av-lxnhzq2q-edcbbd491a653be4766bc70976fff401 iconfont av-no-link avia-icon-circles-icon-3' data-icon-circles-icon=\"3\" aria-hidden='true' data-av_icon='\ue8a7' data-av_iconfont='entypo-fontello'><\/div><div class='avia-icon-circles-icon-text av-lxnhzq2q-edcbbd491a653be4766bc70976fff401 avia-icon-circles-icon-text-3' data-icon-circles-text=\"3\"><div class=\"avia-icon-circles-icon-text-inner\"><div class=\"icon-title\">EXPERIMENTAL TRANSMITTER<\/div><div class=\"icon-description\"><p>Experimental transmitter in S-band<br \/>\nIt is a transmitter for the 2.4Ghz amateur radio band. This experimental transmitter allows data transmission up to 2mbps.<\/p>\n<\/div><\/div><\/div><div class='avia-icon-circles-icon av-lxni094q-bb772f52e93a6a928465b460f5549abf iconfont av-no-link avia-icon-circles-icon-4' data-icon-circles-icon=\"4\" aria-hidden='true' data-av_icon='\ue849' data-av_iconfont='entypo-fontello'><\/div><div class='avia-icon-circles-icon-text av-lxni094q-bb772f52e93a6a928465b460f5549abf avia-icon-circles-icon-text-4' data-icon-circles-text=\"4\"><div class=\"avia-icon-circles-icon-text-inner\"><div class=\"icon-title\">VAC<\/div><div class=\"icon-description\"><p>In order to achieve accurate orientation of the satellite, AOCS VAC system has been selected. This compact system contains electromagnetic actuators, a trio of reaction wheels and sensors - magnetometer and sun sensors for precise body manoeuvring.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av-layout-grid-1'  class='av-layout-grid-container av-lxni748b-a979c115dd0ea586bd8b3a62df1682bb entry-content-wrapper main_color av-border-top-bottom av-flex-cells  avia-builder-el-8  el_after_av_section  el_before_av_section  grid-row-not-first  container_wrap sidebar_right'  >\n<div class='flex_cell av-1p0dah-a800a6e70e11be95477caab69ccda81d av-gridrow-cell av_one_half no_margin  avia-builder-el-9  el_before_av_cell_one_half  avia-builder-el-first '  ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lxni32sr-7998102db8f1add87c27a6a0caefab82\">\n#top .av-special-heading.av-lxni32sr-7998102db8f1add87c27a6a0caefab82{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lxni32sr-7998102db8f1add87c27a6a0caefab82 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lxni32sr-7998102db8f1add87c27a6a0caefab82 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lxni32sr-7998102db8f1add87c27a6a0caefab82 av-special-heading-h2 blockquote modern-quote modern-right  avia-builder-el-10  el_before_av_hr  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Composition of the GRBBeta<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='hr av-lxni398t-67ea071034f0e2223dafef80f961d564 hr-short  avia-builder-el-11  el_after_av_heading  el_before_av_image  hr-right'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lxnjof1g-0d6dc34c47d3fb0eea8a38fd25a45ef1\">\n.avia-image-container.av-lxnjof1g-0d6dc34c47d3fb0eea8a38fd25a45ef1 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lxnjof1g-0d6dc34c47d3fb0eea8a38fd25a45ef1 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lxnjof1g-0d6dc34c47d3fb0eea8a38fd25a45ef1 av-styling- avia-align-center  avia-builder-el-12  el_after_av_hr  avia-builder-el-last '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-3823 avia-img-lazy-loading-not-3823 avia_image ' src=\"https:\/\/grbbeta.tuke.sk\/wp-content\/uploads\/2024\/06\/skelet_grbbeta_en.png\" alt='' title='skelet_grbbeta_en'  height=\"660\" width=\"723\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/grbbeta.tuke.sk\/wp-content\/uploads\/2024\/06\/skelet_grbbeta_en.png 723w, https:\/\/grbbeta.tuke.sk\/wp-content\/uploads\/2024\/06\/skelet_grbbeta_en-300x274.png 300w, https:\/\/grbbeta.tuke.sk\/wp-content\/uploads\/2024\/06\/skelet_grbbeta_en-705x644.png 705w\" sizes=\"(max-width: 723px) 100vw, 723px\" \/><\/div><\/div><\/div><\/p>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lxni6tzx-a7374e08ca96d5575120faccc27d362a\">\n.flex_cell.av-lxni6tzx-a7374e08ca96d5575120faccc27d362a{\nvertical-align:top;\nbackground-color:#f7f7f7;\n}\n<\/style>\n<div class='flex_cell av-lxni6tzx-a7374e08ca96d5575120faccc27d362a av-gridrow-cell av_one_half no_margin  avia-builder-el-13  el_after_av_cell_one_half  avia-builder-el-last '  ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lxni3vtp-455285567ff32905093f98e05b10c265\">\n#top .av-special-heading.av-lxni3vtp-455285567ff32905093f98e05b10c265{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lxni3vtp-455285567ff32905093f98e05b10c265 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lxni3vtp-455285567ff32905093f98e05b10c265 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lxni3vtp-455285567ff32905093f98e05b10c265 av-special-heading-h2 blockquote modern-quote  avia-builder-el-14  el_before_av_hr  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Scientific experiments on GRBBeta<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='hr av-lxni3p6y-5b8605d7d7ee6664ef01bade14ba5071 hr-short  avia-builder-el-15  el_after_av_heading  el_before_av_three_fourth  hr-left'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div  class='flex_column av-fk0tyx-161d088daa33bef72209f479e904ce2d av_three_fourth  avia-builder-el-16  el_after_av_hr  avia-builder-el-last  first flex_column_div  '     ><section  class='av_textblock_section av-lxni5jy7-9792b2a63aaea46708499942405ded5f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4>GRB detector<\/h4>\n<p>The main scientific experiment is a gamma-ray detector at the heart of which is a scintillator, a flat caesium iodide crystal measuring 75 \u00d7 75 \u00d7 5 mm that emits gamma photons of visible light when hit by a photon. These are subsequently detected by silicon photomultipliers. The detector, encased in a dark polyvinyl fluoride film (tedlar), is housed in a 1 mm aluminium sheet box and placed externally on one of the sides of the nanosatellite body.<\/p>\n<p>The signal from the photomultipliers is fed to an analogue amplifier and shapers, then sampled by an A\/D converter whose output is processed by an field programmable gate array (FPGA). The detected waveforms (light curves of candidate gamma bursts) are then processed and stored by a 32b microcontroller. The entire signal path mentioned above, including the input photomultipliers, is duplicated for redundancy (and also to increase the overall sensitivity in case both channels are functional).<\/p>\n<p>Comparison of the light curves eventually recorded by the detector with the light curves of the same flashes recorded by other existing gamma-ray observatories will allow to verify the basic idea of CAMELOT, i.e. the feasibility of localizing the sources of the flashes based on precise GPS timing.<\/p>\n<p>The detector development is led by Andras Pal at Konkoly Obseravatory in Budapest. The scientific analysis of data from GRB detector is led by prof. Norbert Werner from the Faculty of Science of Masaryk University in Brno.<\/p>\n<h4>LuvCAM<\/h4>\n<p>The secondary scientific payload is a miniature camera sensitive in the ultraviolet part of the light spectrum. It will be a technology demonstrator and the smallest astrophysical camera in space. The results of the measurements of the degradation of the imaging chip in space will be used for future upcoming missions focusing on observations in the UV region, such as the QUVIK mission. A team from the University of Toronto&#8217;s Dunlap Institute for Astronomy &#038; Astrophysics is in charge of preparing the experiment in cooperation with Brno Observatory and Planetarium.<\/p>\n<\/div><\/section><\/div><\/p>\n<\/div><\/div>\n<\/div>\n<div id='av_section_2'  class='avia-section av-56d6pl-0e6252e9e09441cbd82e6af342cb719e main_color avia-section-default avia-no-shadow  avia-builder-el-18  el_after_av_layout_row  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-3801'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lyeadrnw-1480e2fa2c56d0698e775efbc380c9db\">\n#top .av-special-heading.av-lyeadrnw-1480e2fa2c56d0698e775efbc380c9db{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lyeadrnw-1480e2fa2c56d0698e775efbc380c9db .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lyeadrnw-1480e2fa2c56d0698e775efbc380c9db .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lyeadrnw-1480e2fa2c56d0698e775efbc380c9db av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-19  el_before_av_hr  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Information for radio amateur enthusiasts<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<div  class='hr av-lyeag45q-766829a271cb8db8c0207d7c84b3961a hr-short  avia-builder-el-20  el_after_av_heading  el_before_av_one_half  hr-center'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-4x1jdl-678668b695f04b194ce17a40314efd62 av_one_half  avia-builder-el-21  el_after_av_hr  el_before_av_one_half  first flex_column_div  '     ><section  class='av_textblock_section av-lyeae5c5-8c4cdfb6556fd5808fbd120b3f73a6e5 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h5 style=\"margin-bottom: 10px;\"><strong>Basic information on GRBBeta satellite reception<\/strong><\/h5>\n<ul>\n<li><strong>NORAD ID:<\/strong> TBD<\/li>\n<li><strong>Callsign:<\/strong> HA2GRB<\/li>\n<li><strong>UHF Downlink frequency:<\/strong> 436.785 MHz +\/- Doppler shift<\/li>\n<li><strong>VHF Downlink frequency:<\/strong> 145.935 MHz +\/- Doppler shift<\/li>\n<li><strong>SBand Downlink frequency:<\/strong> 2405.000MHz +\/- Doppler shift<\/li>\n<li><strong>Modulation:<\/strong> GMSK, CW<\/li>\n<li><strong>Encoding:<\/strong> G3RUH 9k6 baud (UHF, VHF)<\/li>\n<li><strong>Morse:<\/strong> 20 WPM<\/li>\n<li><strong>Protocols:<\/strong> AX.25, Morse<\/li>\n<li><strong>Transmitting power:<\/strong> 1W (30dBm)<\/li>\n<li><strong>Onboard antenna:<\/strong> Dipole<\/li>\n<li><strong>Antenna polarization:<\/strong> Linear<\/li>\n<\/ul>\n<h5 style=\"margin-bottom: 10px;\">Orbital parameters\/Preliminary TLE<\/h5>\n<pre class=\"tle-set\">1 60237U 24128C   24286.47814587  .00010830  00000-0  91015-3 0  9992\n2 60237  61.9934 194.2685 0020565 350.5336   9.5362 14.98576706 14160<\/pre>\n<h5 style=\"margin-bottom: 10px;\"><strong>Message types<\/strong><\/h5>\n<ol>\n<li>AX.25 TRX beacon packet<\/li>\n<li>AX.25 message<\/li>\n<li>CW data beacon<\/li>\n<li>Ground Station communication<\/li>\n<\/ol>\n<h5 style=\"margin-bottom: 20px;\">The transmission period is following<\/h5>\n<p>TRX UHF AX.25 beacon every <strong>90s<\/strong><br \/>\nTRX UHF AX.25 message every <strong>270s<\/strong><br \/>\nTRX UHF Morse beacon every <strong>180s<\/strong><\/p>\n<p>There are offsets applied between transmissions.<\/p>\n<h5 style=\"margin-bottom: 20px;\"><strong>Example of decoded AX.25 TRX beacon packets<\/strong><\/h5>\n<p>Data in AX.25 TRX beacon packet values are comma-separated.<\/p>\n<p>1:Fm HA2GRB To CQ [10:44:13R] [AA] [+++++++]<br \/>\nU,600,1291714,85,0,2723,2766,2650,0,,187,263,95,145<\/p>\n<p>Explanation:<\/p>\n<ol>\n<li>Beacon identification [U \u2013 UHF, V \u2013 VHF]<\/li>\n<li>Uptime since reset [s]<\/li>\n<li>Uptime total [s]<\/li>\n<li>Radio boot count<\/li>\n<li>RF segment reset count<\/li>\n<li>Radio MCU act. temperature [0.01\u00b0C]<\/li>\n<\/ol>\n<\/div><\/section><\/div><div  class='flex_column av-2m1hxl-e22b49c486d0c30d1acf19a5925bc723 av_one_half  avia-builder-el-23  el_after_av_one_half  avia-builder-el-last  flex_column_div  '     ><section  class='av_textblock_section av-lyeaf0yu-b4b5d03fc864aa4d495cc0ba2908659b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ol start=\"7\">\n<li>RF chip act. temperature [0.01\u00b0C]<\/li>\n<li>RF power amplifier act. temperature [0.01\u00b0C]<\/li>\n<li>Digipeater forwarded message count<\/li>\n<li>Last digipeater user sender\u2019s callsign [ASCII, 6 spaces means nobody yet]<\/li>\n<li>RX data packets (AX25 with CRC matched, includes CSP and digipeater packets)<\/li>\n<li>TX data packets (includes CSP and digipeater packets)<\/li>\n<li>Actual RSSI, ((value \/ 2) \u2013 134) [dBm]<\/li>\n<li>Value of RSSI when carrier detected \u2013 after preamble ((value \/ 2) \u2013 134) [dBm]<\/li>\n<\/ol>\n<h5 style=\"margin-bottom: 10px;\"><strong>Example of CW data beacon<\/strong><\/h5>\n<p>Every CW beacon stars with <code>\"de ha2grb = \"<\/code> and ends with <code>\"ar\"<\/code>.<\/p>\n<pre style=\"background: #f8f9f9;\">de ha2grb = u5433r126t29p30 ar<\/pre>\n<p>Explanation:<\/p>\n<p>u &#8211; total uptime [min]<br \/>\nr &#8211; reset number<br \/>\nt &#8211; temp MCU [\u00b0C]<br \/>\np &#8211; temp Radio PA [\u00b0C]<\/p>\n<p>u5433 = Uptime 5433 minute<br \/>\nr126 = 126 resets of radio<br \/>\nt29 = 29 degree of Celsius on DL radio MCU<br \/>\np30 = 30 degree of Celsius on DL radio PA<\/p>\n<h5 style=\"margin-bottom: 10px;\">Recommended TNC modem setup:<\/h5>\n<p>PACLEN 255<br \/>\nTXDELAY 15<br \/>\nMYCALL [Your callsign]<br \/>\nUNPROTO CQ (or callsign)<\/p>\n<h5 style=\"margin-bottom: 10px;\">Receiving S-band transmission<\/h5>\n<p>Frequency (center): 2405 MHz<br \/>\nModulation: GMSK<br \/>\nBaudrate: default 100kbaud, up to 2000kbaud<\/p>\n<h5>Decoder for the S-band:<\/h5>\n<p>Link: <a href=\"_wp_link_placeholder\" data-wplink-edit=\"true\">DECODER<\/a><\/p>\n<p>Realtime decoding using HackRF:<\/p>\n<p>hackrf_transfer -f 2367400000 -s 8000000 -a 1 -r &#8211; 2>\/dev\/null | sox -r 8000k -c 2 -t s8 &#8211; -t f32 -c 2 -r 1000k &#8211; | iq2iq -f cf32 -s 1000000 -d -100000 | mrc100_decode -r 1000000 -b 100000 -C \/dev\/stdin 2>\/dev\/null<\/p>\n<p>or<\/p>\n<p>hackrf_transfer -f 2367000000 -s 8000000 -a 1 -r &#8211; 2>\/dev\/null | iq2iq -f cs8 -s 8000000 -d -500000 -t cf32 | mrc100_decode 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Send us an email.<\/h3><fieldset><p class='  first_form  form_element form_fullwidth' id='element_avia_1_1'><label for=\"avia_1_1\">Name <abbr class=\"required\" title=\"po\u017eadovan\u00fd\">*<\/abbr><\/label> <input name=\"avia_1_1\" class=\"text_input is_empty\" type=\"text\" id=\"avia_1_1\" value=\"\" \/><\/p><p class='  first_form  form_element form_fullwidth' id='element_avia_2_1'><label for=\"avia_2_1\">E-Mail <abbr class=\"required\" title=\"po\u017eadovan\u00fd\">*<\/abbr><\/label> <input name=\"avia_2_1\" class=\"text_input is_email\" type=\"text\" id=\"avia_2_1\" value=\"\" \/><\/p><p class='  first_form  form_element form_fullwidth' id='element_avia_3_1'><label for=\"avia_3_1\">Subject <abbr class=\"required\" title=\"po\u017eadovan\u00fd\">*<\/abbr><\/label> <input name=\"avia_3_1\" class=\"text_input is_empty\" type=\"text\" id=\"avia_3_1\" value=\"\" \/><\/p><p class='  first_form  form_element form_fullwidth' id='element_avia_4_1'><label for=\"avia_4_1\" class=\"textare_label hidden textare_label_avia_4_1\">Message <abbr class=\"required\" title=\"po\u017eadovan\u00fd\">*<\/abbr><\/label><textarea  name=\"avia_4_1\" class=\"text_area is_empty\" cols=\"40\" rows=\"7\" id=\"avia_4_1\" ><\/textarea><\/p><p class=\"hidden\"><input type=\"text\" name=\"avia_5_1\" class=\"hidden \" id=\"avia_5_1\" value=\"\" \/><\/p><p class='   form_element form_fullwidth' id='element_avia_6_1'><span class='value_verifier_label'>6 + 2 = ?<\/span><input name=\"avia_6_1_verifier\" type=\"hidden\" id=\"avia_6_1_verifier\" value=\"783216488\"\/><label for=\"avia_6_1\">Please prove that you are human by solving the equation <abbr class=\"required\" title=\"po\u017eadovan\u00fd\">*<\/abbr><\/label><input name=\"avia_6_1\" class=\"text_input captcha\" type=\"text\" id=\"avia_6_1\" value=\"\"\/><\/p><p class=\"form_element \"><input type=\"hidden\" value=\"1\" name=\"avia_generated_form1\" \/><input type=\"submit\" value=\"Send\" class=\"button\"  data-sending-label=\"Odosielam\"\/><\/p><\/fieldset><\/form><div id=\"ajaxresponse_1\" class=\"ajaxresponse ajaxresponse_1 hidden\"><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_5'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-3801'><div class='entry-content-wrapper clearfix'>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3801","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/pages\/3801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/comments?post=3801"}],"version-history":[{"count":52,"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/pages\/3801\/revisions"}],"predecessor-version":[{"id":3943,"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/pages\/3801\/revisions\/3943"}],"wp:attachment":[{"href":"https:\/\/grbbeta.tuke.sk\/index.php\/wp-json\/wp\/v2\/media?parent=3801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}