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Results 1 to 11 of 11
  1. #1
    Junior Member Teacher
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    Default Lamurire antena ucraina

    Daca este in zona vreun posesor de parabola din aluminiu de ucraina (cred ca are 180-190) imi poate spune si mie cu exactitate diametrul, adancimea si distanta corecta lnb-antena din varful ghidului de unda pana la parabola?

  2. #2
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    adincimea este de 73 cm, am masurat eu , dar trebuie sa ai feed de parabola cu mai multe cercuri.
    Exista mai multe lucruri in Cer si pe Pamant decat vom sti vreodata!
    Antena 2,2 al dintr-o bucata, lnb flansa invacom quad, 2 motoare azimut si elevatie,receptor echostar AD3000IP.
    http://www.radiovis.de/

  3. #3
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    Distanta dintre parabola si lnb, banuiesc ca vrei sa spui... Feed cu mai multe cercuri? Poti sa-mi explici sau sa atasezi o poza, te rog?

  4. #4
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    Default

    se refera la un lnb banda c .

  5. #5
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    Red face antena ukraina

    nu ma refer la banda c, ma refer la banda ku in special la ghidul de unda care trebuie sa aiba c-am 5 inele sa poti castiga toata reflexia antenei, o sa caut sa ii fac poza la a mea si le trimit la o adresa de mail daca vrei maine seara, astazi am ajuns tarziu, uitate asa trebuie sa arate, vezi ca este mai jos in pagina ....
    http://images.google.ro/imgres?imgur...icial%26sa%3DN
    Exista mai multe lucruri in Cer si pe Pamant decat vom sti vreodata!
    Antena 2,2 al dintr-o bucata, lnb flansa invacom quad, 2 motoare azimut si elevatie,receptor echostar AD3000IP.
    http://www.radiovis.de/

  6. #6
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    Am incerca pe satlex sa-mi calculez distanta focara, pentru diametrul de 185 cm si adancimea de 30 cm si mi-a dat 71.3 cm... Cei care aveti sau ati instalat astfel de antene pe vremuri... E corecta distanta asta focara?

    Thanks!

  7. #7
    Member Mentor
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    Smile antena ukraina

    eu am facut focarul cu un promax mc377 la fosta mea antena de ukraina si era exact cum spui de 185 cm, am instalat lnb cu 71,3 cm si nu castigam toata suprafata utila de reflexie am ridicat putin mai sus lnb-ul si a crescut simtitor semnalul, acum trebuie incercat, nu ai ce pierde
    Exista mai multe lucruri in Cer si pe Pamant decat vom sti vreodata!
    Antena 2,2 al dintr-o bucata, lnb flansa invacom quad, 2 motoare azimut si elevatie,receptor echostar AD3000IP.
    http://www.radiovis.de/

  8. #8
    dibaci Expert
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    72 cm e distanta focala.Dupa parerea mea ramane cea mai tare antena de 1.8m
    [SIGPIC][/SIGPIC]

  9. #9
    Junior Member Master
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    pune la 72 asta e focarul antenei.

  10. #10
    Junior Member Teacher
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    La a mea este intre 72 si 72,5cm (nu apare nici o diferenta de semnal).
    Incepator cu vechime

  11. #11
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    Thumbs up

    eu am avut si am si acum la antena feedhorn cu 5 inele si merge bine.
    Exista mai multe lucruri in Cer si pe Pamant decat vom sti vreodata!
    Antena 2,2 al dintr-o bucata, lnb flansa invacom quad, 2 motoare azimut si elevatie,receptor echostar AD3000IP.
    http://www.radiovis.de/

 

 

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