{"id":230,"date":"2018-07-02T13:51:30","date_gmt":"2018-07-02T13:51:30","guid":{"rendered":"http:\/\/rdp.cat\/contingut\/?p=230"},"modified":"2018-07-02T15:19:16","modified_gmt":"2018-07-02T15:19:16","slug":"proppy-web-de-prediccio-de-propagacio-a-hf","status":"publish","type":"post","link":"https:\/\/rdp.cat\/contingut\/2018\/07\/02\/proppy-web-de-prediccio-de-propagacio-a-hf\/","title":{"rendered":"Proppy &#8211; web de predicci\u00f3 de propagaci\u00f3 a HF"},"content":{"rendered":"<p>En aquest enlla\u00e7 <a href=\"https:\/\/soundbytes.asia\/proppy\/area\">https:\/\/soundbytes.asia\/proppy\/area<\/a> trobareu una eina molt \u00fatil per a veure si us ha caigut l&#8217;antena quan voleu fer un contacte amb l&#8217;altra banda del m\u00f3n.<\/p>\n<p>B\u00e0sicament es una eina que calcula en temps real i per la hora que vulgueu la propagaci\u00f3 que hi haur\u00e0 en una banda concreta des del lloc que li digueu.<\/p>\n<p>Li poseu les vostres coordenades, i la hora i la freq\u00fc\u00e8ncia i us dibuixar\u00e0 la zona on es probable que pugueu establir contacte.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-231\" src=\"http:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz.png\" alt=\"\" width=\"1000\" height=\"600\" srcset=\"https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz.png 1000w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz-300x180.png 300w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz-768x461.png 768w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz-624x374.png 624w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>Per exemple, avui a les 23 hores (local) a la banda de 20m es facil parlar amb les Azores, Canaries, Europa o la costa oest del continent americ\u00e0 (nord i sud), i tamb\u00e9 es podria fer el jap\u00f3 o el pacific sud encara que aquestes \u00faltimes tenen una probabilitat del 10%.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-232\" src=\"http:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz1.png\" alt=\"\" width=\"1000\" height=\"600\" srcset=\"https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz1.png 1000w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz1-300x180.png 300w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz1-768x461.png 768w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/BCR_2100_Jul_18_14000kHz1-624x374.png 624w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>Amb 700W a la mateixa hora ser\u00e0 molt mes f\u00e0cil fer tot el que he dit abans, evidentment no canvia la zona de propagaci\u00f3, per\u00f2 si augmenten les probabilitats. Nova Zelanda ara puja al 50% de probabilitat. Per\u00f2 per molta potencia que posem no \u00e9s possible arribar a Calif\u00f2rnia, per exemple.<\/p>\n<p>Hi ha una versi\u00f3 simplificada a la web del Radioclub Argentino: <a href=\"https:\/\/www.lu4aa.org\/wp\/prop\/\">https:\/\/www.lu4aa.org\/wp\/prop\/<\/a> on li podem demanar que ens faci prediccions de 12 hores.<\/p>\n<p>Al mateix web <a href=\"https:\/\/soundbytes.asia\/proppy\/p2p\">https:\/\/soundbytes.asia\/proppy\/p2p<\/a> podeu posar dues ubicacions i veure a quina hora hi ha mes probabilitats de fer l&#8217;enlla\u00e7<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-237\" src=\"http:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/r.png\" alt=\"\" width=\"541\" height=\"436\" srcset=\"https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/r.png 541w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/r-300x242.png 300w\" sizes=\"auto, (max-width: 541px) 100vw, 541px\" \/><\/p>\n<p>Aqu\u00ed teniu les coordenades per anar des de Catalunya a la illa Baker, al pac\u00edfic. Aquests dies hi ha una expedici\u00f3 DX all\u00e0.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235\" src=\"http:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot.png\" alt=\"\" width=\"766\" height=\"450\" srcset=\"https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot.png 766w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot-300x176.png 300w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot-624x367.png 624w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><\/p>\n<p>Podem veure els millors moments per intentar el contacte, i la freq\u00fc\u00e8ncia \u00f2ptima. Aquesta gr\u00e0fica ens diu que ho podem provar de 10 a 11 del mat\u00ed (local) a 20m. Segons aix\u00f2 ens poden escoltar S4 amb una antena vertical i amb una pot\u00e8ncia de 100w.<\/p>\n<p>Haurem de fer la prova!<\/p>\n<p>Una altra cosa \u00e9s fer Austr\u00e0lia o Nova Zelanda&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-240\" src=\"http:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/q.png\" alt=\"\" width=\"537\" height=\"421\" srcset=\"https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/q.png 537w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/q-300x235.png 300w\" sizes=\"auto, (max-width: 537px) 100vw, 537px\" \/><\/p>\n<p>D&#8217;entrada el cam\u00ed m\u00e9s curt no passa pel pol nord, i despr\u00e9s<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-241\" src=\"http:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot1.png\" alt=\"\" width=\"766\" height=\"450\" srcset=\"https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot1.png 766w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot1-300x176.png 300w, https:\/\/rdp.cat\/contingut\/wp-content\/uploads\/2018\/07\/newplot1-624x367.png 624w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><\/p>\n<p>els senyals son molt m\u00e9s forts. S7 a 40m pels volts de la una de la matinada hora local.<\/p>\n<p>Apa, a veure si aquesta entrada augmenta la vostra bit\u00e0cola.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En aquest enlla\u00e7 https:\/\/soundbytes.asia\/proppy\/area trobareu una eina molt \u00fatil per a veure si us ha caigut l&#8217;antena quan voleu fer un contacte amb l&#8217;altra banda del m\u00f3n. B\u00e0sicament es una eina que calcula en temps real i per la hora que vulgueu la propagaci\u00f3 que hi haur\u00e0 en una banda concreta des del lloc que [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-230","post","type-post","status-publish","format-standard","hentry","category-hamradio"],"_links":{"self":[{"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/posts\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/comments?post=230"}],"version-history":[{"count":6,"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/posts\/230\/revisions"}],"predecessor-version":[{"id":242,"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/posts\/230\/revisions\/242"}],"wp:attachment":[{"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/categories?post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rdp.cat\/contingut\/wp-json\/wp\/v2\/tags?post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}