{"id":1707,"date":"2024-10-04T20:25:42","date_gmt":"2024-10-04T18:25:42","guid":{"rendered":"https:\/\/ok4md.liveu.cz\/?p=1707"},"modified":"2024-10-04T22:09:18","modified_gmt":"2024-10-04T20:09:18","slug":"aprs-direwolf-software-tnc-ii-dil-rx-igate","status":"publish","type":"post","link":"https:\/\/ok4md.liveu.cz\/index.php\/2024\/10\/04\/aprs-direwolf-software-tnc-ii-dil-rx-igate\/","title":{"rendered":"APRS \u2013 Direwolf software TNC II.d\u00edl RX iGate RTL-SDR"},"content":{"rendered":"

\u00a0\u00a0 Dnes to bude pro ty, kter\u00fdm se nechce ztr\u00e1cet \u010das propojov\u00e1n\u00edm Raspberry PI s radiostanic\u00ed nebo moment\u00e1ln\u011b \u017e\u00e1dnou vhodnou nemaj\u00ed po ruce, ale v \u0161upl\u00edku maj\u00ed schovan\u00fd RTL-SDR p\u0159ij\u00edma\u010d. Pomoc\u00ed dostupn\u00e9ho a lacin\u00e9ho SDR p\u0159ij\u00edma\u010de do USB toti\u017e m\u016f\u017eete i vy p\u0159isp\u011bt k roz\u0161\u00ed\u0159en\u00ed pokryt\u00ed APRS s\u00edt\u011b a na sv\u00e9m QTH (pracovi\u0161ti, chalup\u011b,…) spustit RX iGate s\u00edt\u011b APRS. I kdy\u017e va\u0161e QTH nen\u00ed zrovna ide\u00e1ln\u00ed, tak i v\u00e1\u0161 mal\u00fd krok ke zlep\u0161en\u00ed pokryt\u00ed je v\u00fdznamn\u00fd. Pom\u016f\u017eete t\u00edm s fungov\u00e1n\u00edm s\u00edt\u011b nejen sob\u011b, ale i ostatn\u00edm radioamat\u00e9r\u016fm, kte\u0159\u00ed se v budoucnu vyskytnou ve va\u0161em okol\u00ed. I kdybyste toti\u017e p\u0159ij\u00edma\u010dem vykryli by\u0165 i jen okruh p\u00e1r stovek metr\u016f kolem sv\u00e9ho QTH, bude to p\u0159\u00ednos. Bude to n\u011bco co komunita ocen\u00ed. A p\u0159iznejme si to, co si neud\u011bl\u00e1me sami, to nem\u00e1me. Cel\u00e1 infrastruktura APRS vznik\u00e1, stejn\u011b jako v\u0161echny p\u0159evad\u011b\u010de, jen a pouze d\u00edky radioamat\u00e9r\u016fm jako jste vy. Nikdo jin\u00fd ji za n\u00e1s nepostav\u00ed.
\n<\/span><\/p>\n

\u00a0\u00a0 Co budeme pot\u0159ebovat:
\n\u00a0\u00a0\u00a0\u00a0 – Raspberry Pi nebo obdob\u00fd mikropo\u010d\u00edta\u010d.
\n\u00a0\u00a0\u00a0\u00a0 – RTL-SDR p\u0159ij\u00edma\u010d.
\n\u00a0\u00a0\u00a0\u00a0 – p\u0159ipojen\u00ed k internetu (narozd\u00edl od Digipeatru opakuj\u00edc\u00edho p\u0159ijat\u00e9 pakety do \u00e9teru, RX iGate pos\u00edl\u00e1 data z r\u00e1diov\u00e9 s\u00edt\u011b APRS do APRS-IS, toho internetov\u00e9ho aprs.fi<\/a> kde se provoz zobrazuje)<\/p>\n

\u00a0\u00a0 Pokud u\u017e m\u00e1me nainstalov\u00e1no v\u0161e pot\u0159ebn\u00e9, jak jsem popsal v I.d\u00edlu<\/a> a m\u00e1me v USB portu p\u0159ij\u00edma\u010d RTL-SDR, p\u0159ihl\u00e1s\u00edme k Raspberry pomoc\u00ed ssh<\/a> a m\u016f\u017eeme j\u00edt na to.
\n\u0158ekneme Raspberry, \u017ee RTL-SDR pro n\u00e1s nen\u00ed TV karta a uprav\u00edme konfiguraci, tak \u017ee zak\u00e1\u017eeme defaultn\u00ed ovlada\u010de:<\/p>\n

\u00a0\u00a0\u00a0\u00a0 sudo nano \/etc\/modprobe.d\/raspi-blacklist.conf<\/em><\/p>\n

Do editoru vlo\u017e\u00edme tento text:<\/p>\n

blacklist dvb_usb_rtl28xxu<\/em>
\nblacklist dvb_usb_v2<\/em>
\nblacklist rtl_2830<\/em>
\nblacklist rtl_2832<\/em>
\nblacklist r820t<\/em><\/p>\n

Pomoc\u00ed ctrl+O a n\u00e1sledn\u011b ENTER ulo\u017e\u00edme a p\u0159es ctrl-X vysko\u010d\u00edme z textov\u00e9ho editoru a dal\u0161\u00edm p\u0159\u00edkazem vytvo\u0159\u00edme konfiguraci pro Direwolf v re\u017eimu RX iGate RTL-SDR.<\/p>\n

\u00a0\u00a0\u00a0\u00a0 nano sdr.conf<\/em><\/p>\n

Do editoru vlo\u017e\u00edme:<\/p>\n

\u00a0ADEVICE null null<\/em><\/span>
\nCHANNEL 0<\/em><\/span>
\nMYCALL Vasvolaciznak-10
\n<\/em><\/span>IGSERVER czech.aprs2.net<\/em><\/span>
\nIGLOGIN Vasvolaciznak vaseaprsheslo<\/em><\/span>
\nPBEACON sendto=IG delay=0:30 every=30:00 symbol=“igate“ overlay=R lat=50^08.32N long=014^01.45E<\/p>\n

<\/em>Vypln\u00edte va\u0161e \u00fadaje jako je\u00a0 volac\u00ed znak, va\u0161e heslo APRS a sou\u0159adnice kde bude iGate um\u00edst\u011bna. Ulo\u017e\u00edte a opust\u00edte editor. <\/p>\n

Te\u010f u\u017e jen p\u0159ipojit ant\u00e9nu a spustit Direwolf. P\u0159\u00edkaz pro spu\u0161t\u011bn\u00ed tentokr\u00e1t vypad\u00e1 takto:<\/p>\n

\u00a0\u00a0\u00a0\u00a0 rtl_fm -f 144.8M – | direwolf -c sdr.conf -r 24000 -D 1 –
\n<\/em>
\nPokud je v\u0161e jak m\u00e1 b\u00fdt, za\u010dnou v\u00e1m v okn\u011b programu vyskakovat p\u0159ijat\u00e9 APRS pakety.<\/p>\n

\"iGate\"<\/a>
\n<\/em>
\nA to je v\u0161e. P\u011bkn\u00fd ve\u010der p\u0159i pokusech. <\/span>\u00a0
\n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0\u00a0 Dnes to bude pro ty, kter\u00fdm se nechce ztr\u00e1cet \u010das propojov\u00e1n\u00edm Raspberry PI s radiostanic\u00ed nebo moment\u00e1ln\u011b \u017e\u00e1dnou vhodnou nemaj\u00ed po ruce, ale v \u0161upl\u00edku maj\u00ed schovan\u00fd RTL-SDR p\u0159ij\u00edma\u010d. Pomoc\u00ed dostupn\u00e9ho a lacin\u00e9ho SDR p\u0159ij\u00edma\u010de do USB toti\u017e m\u016f\u017eete i vy […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":1631,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[56,74,58,76],"class_list":["post-1707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nezarazene","tag-aprs","tag-digipeater","tag-igate","tag-radioamater"],"_links":{"self":[{"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/posts\/1707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/comments?post=1707"}],"version-history":[{"count":26,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/posts\/1707\/revisions"}],"predecessor-version":[{"id":1737,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/posts\/1707\/revisions\/1737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/media\/1631"}],"wp:attachment":[{"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/media?parent=1707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/categories?post=1707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ok4md.liveu.cz\/index.php\/wp-json\/wp\/v2\/tags?post=1707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}