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Thread: Receptie DRM radio digital pe unde scurte

  1. #1
    Standard RSP member marsel90's Avatar
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    Default Receptie DRM radio digital pe unde scurte

    Receptie DRM radio digital pe unde scurte, calitate fm si info txt pe unde medii sau unde scurte.
    DRM = Digital Radio Mondial
    Aici avem o receptie de la 4784 km de emitator, Delhi (Khampur) - Craiova.

    Last edited by marsel90; 05-12-14 at 00:33.

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    Golden Member dingo31's Avatar
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    @marsel90, vad ca softul este HDSDR, eu nu am reusit sa-l folosesc corespunzator cu FunCubeDongle Pro. Te rog spune ce hardware ai folosit si ce tip de antena? Ai antena acordata pt banda de 9Mhz sau folosesti antena filara clasica SW cu ATU? Eu nu dispun de posibilitati technice prea avansate, antene pt fiecare banda, ATU extern pt acord, etc ... este peste posibilitatea mea.
    Inca un amanunt, te rog: este receptia stabila sau pe propagare?

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    Standard RSP member marsel90's Avatar
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    Pentru a porni HDSDR ai nevoie de un ExtIO pentru stick.Pentru RTL2832 e asta.
    Antena este cea simpla pentru unde scurte adica un dipol deschis 7,5m cu 7,5 m pus intr-un simetrizor si coborat pe cablu coaxial si un upconvertor care ridica cu 50 mhz tot ce intra in el.
    Semnalul cam tine de propagare si este bun pentru receptie seara intre orele 20 si maxim 22 dupa care scade sub limita receptie dar nu se pierde, poate o antena mai buna ar ajuta mai mult.

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    Golden Member dingo31's Avatar
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    user @marsel90 : Nu pot deschide link-ul. Te rog vezi PM. Multumesc.
    Referitor antena, din experienta mea cred ca nici o antena nu ar ajuta prea mult, diferenta notabila ar fi ca semnalul receptionat sa fie calitativ superior daca folosesti o antena acordata, dar propagarea ramane la baza. Banda 9Mhz/India nu cred ca poate sa fie receptionata stabil pe intreaga perioade a zilei, mai ales pe timp de iarna.
    Last edited by dingo31; 06-12-14 at 00:39.

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    Standard RSP member marsel90's Avatar
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    Receptie digitala pe unde scurte 9950 khz Radio India GOS IV, spre sfarsitul filmuletului este si un fading specific receptie la distanta in unde scurte.


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    Standard RSP member marsel90's Avatar
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    BBC World Service DRM Digital pe unde scurte


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    Standard RSP member marsel90's Avatar
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    O receptie interesanta dar maxim 5 minute am putut asculta


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    Standard RSP member marsel90's Avatar
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    Standard RSP member marsel90's Avatar
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    Standard RSP member marsel90's Avatar
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    Standard RSP member marsel90's Avatar
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    Standard RSP member marsel90's Avatar
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    DRM ShortWave 15775 khz Radio Vatican in Craiova Romania


  13. #13
    Standard RSP member marsel90's Avatar
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    Standard RSP member marsel90's Avatar
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    Digital pe unde scurte


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