FM-AM DX - TOWERS - ANTENAS - RECEIVERS

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FM-AM DX - TOWERS - ANTENAS - RECEIVERS

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FM-AM DX - TOWERS - ANTENAS - RECEIVERS

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FM-AM DX - TOWERS - ANTENAS - RECEIVERS

Reception via atmospherical layers - infos - satelit

Wellcome in DXFMROMANIA forum . This forum is now active at new adress https://dxfmromania.forumgratuit.ro/
Dxfmromania is an romanian forum based on FM and TV dx receptions. On this forum have informations about towers and city antennas of transmitters. Separate add Satelit receptions special for satelit finders or scanners. Succes. All request need send a simple message to forum administrator. 73's

2 posters

    antene FM pe 50ohm

    Dxfmromania
    Dxfmromania
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    antene FM pe 50ohm - Page 2 Empty Re: antene FM pe 50ohm

    Post by Dxfmromania Mon 09 Apr 2012, 19:43

    Dxfmromania
    Dxfmromania
    Admin


    Numarul mesajelor : 1718
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    Localizare : bucuresti - sud est romania
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    Data de inscriere : 2008-03-24

    antene FM pe 50ohm - Page 2 Empty Re: antene FM pe 50ohm

    Post by Dxfmromania Wed 09 May 2012, 20:08

    antene FM pe 50ohm - Page 2 P1220793

    teste cu antena J-pole
    Dxfmromania
    Dxfmromania
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    Numarul mesajelor : 1718
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    antene FM pe 50ohm - Page 2 Empty Re: antene FM pe 50ohm

    Post by Dxfmromania Tue 25 Dec 2012, 01:31

    Antena J-pole este o antena foarte buna, care prin scurtcircuitarea sa calibreaza orice intrare a unui receptor si ii scade sarcina pe dioda pin, ex ba479.
    In bucuresti spre ex folosind aceasta antena am reusit sa aud slab si incontinuu radio alpha silistra sau stil fm calarasi dar acesta varia intre zi si noapte. In rest daca antena este pusa pe orizontal, se comporta ca o directiva cu dipol inchis avand si fdirectivitate si un mic factor de castig ca se poate distinge statia de vacareni 101,6 cultural sau 106,4 in orice zi. La capitol sporadic aceasta capteaza numai in 45 grade ca polarizare sau orizontal, vertical prinzand doar cand semnalul reflexiei este puternic.

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    antene FM pe 50ohm - Page 2 Empty Re: antene FM pe 50ohm

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