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81 90 213

: " " RD7M

  1. #81
      Relav
    12.10.2010
    1,300
    "" . , , "". , , ? , " "? .


  2. #82

    18.12.2007
    .
    266
    R9TV
    RX1AG
    QRP 5W UR7VT, QRPP 1W DIPOLE . 1 UR7VT ?
    :
    7
    1 30
    1500
    3
    1
    (30%) -5 -
    :
    30+3+3-1-1-5 (92,4+20(lg (1500)+lg(0.007)) = -83
    2500 \ 10
    1 -90 7
    ))
    73.

  3. #83
      HAZ
    09.04.2011
    2,681
    UA4HAZ
    " "

    . , " " - 9 S-, 50 50- , , - . ...
    , "" ( ). , "", InvV ... 5 ( - , "Invt.V.").
    Vladi

  4. #84

    18.12.2007
    .
    266
    R9TV
    HAZ
    " " - 9 S-, 50 50- ,
    S metr HF dBm m V VHF dBm 50
    1 -121 0.19 -141 19.9
    2 -115 0.4 -135 39.8
    3 -109 0.79 -129 79.3
    4 -103 1.58 -123 158
    5 -97 3.16 -117 320
    6 -91 6.3 -111 630
    7 -85 12.6 -105 1260
    8 -79 25.1 -99 2510
    9 -73 50.0 -93 5000

    - RZ3QS
    73.

  5. #85

    18.12.2005
    Kaliningrad
    1,246
    UA2FP
    " ". 3 , 15 , 5 , . 20-40 , , ? , . . "". , ( MMANA) . . ?
    . .
    Vic_599; 25.08.2014 12:41.

  6. #86
      Relav
    12.10.2010
    1,300
    Volandus
    LW 430. ...
    100%! 2*20 10 . 12 db . : 1 1db, 2 2,5 db, 4- 5db, 8- 7,5 db .. , . 12 db . . "".

  7. #87

    18.12.2005
    Kaliningrad
    1,246
    UA2FP
    " "".
    ""? "" c IV, . : . . , . . .

  8.  RD7M

  9. #88

    11.03.2014
    217
    RA9OG
    UA3RRT *** - 20.5 10.2 ? 20.5 10.2 ? ?
    ?

    ? ( ).
    RU9CA; 26.08.2014 14:16. :

  10. #89
      UA3RRT
    12.07.2006
    , RDA TB-21 LO03dg
    466
    UA3RRT
    DX, GL es 73 !



  11. #90

    12.11.2012
    1,772
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,

: 1 (: 0 , : 1)

  1. : 43
    : 15.11.2019, 22:04
  2. "-"
    wazcj , ...
    : 12
    : 30.06.2016, 08:33
  3. - ""
    Rnj2000
    : 0
    : 19.11.2013, 16:47
  4. : 8
    : 05.09.2009, 08:49
  5. : 11
    : 17.05.2009, 05:01

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