RY-900B
890.0 MHz
9.69 dBd (11.84 dBi)
Vertical polarization



Vertical radiation pattern


0 = zenith, 90 = horizon, 180 = nadir

Angle     Field    Rel dB       Attn        dBi        dBd
-----     ------   ------     ------     ------     ------
    0     0.105    -19.56      19.56      -7.72      -9.87
    1     0.100    -19.97      19.97      -8.13     -10.28
    2     0.094    -20.57      20.57      -8.73     -10.88
    3     0.085    -21.37      21.37      -9.53     -11.68
    4     0.076    -22.40      22.40     -10.56     -12.71
    5     0.066    -23.63      23.63     -11.79     -13.94
    6     0.056    -25.02      25.02     -13.18     -15.33
    7     0.048    -26.45      26.45     -14.61     -16.76
    8     0.041    -27.66      27.66     -15.82     -17.97
    9     0.038    -28.35      28.35     -16.51     -18.66
   10     0.038    -28.32      28.32     -16.48     -18.63
   11     0.041    -27.65      27.65     -15.81     -17.96
   12     0.047    -26.62      26.62     -14.78     -16.93
   13     0.053    -25.46      25.46     -13.62     -15.77
   14     0.061    -24.33      24.33     -12.49     -14.64
   15     0.068    -23.33      23.33     -11.49     -13.64
   16     0.075    -22.50      22.50     -10.66     -12.81
   17     0.081    -21.87      21.87     -10.03     -12.18
   18     0.085    -21.45      21.45      -9.61     -11.76
   19     0.087    -21.25      21.25      -9.41     -11.56
   20     0.087    -21.22      21.22      -9.38     -11.53
   21     0.086    -21.36      21.36      -9.52     -11.67
   22     0.083    -21.59      21.59      -9.75     -11.90
   23     0.081    -21.86      21.86     -10.02     -12.17
   24     0.079    -22.08      22.08     -10.24     -12.39
   25     0.077    -22.22      22.22     -10.38     -12.53
   26     0.077    -22.29      22.29     -10.45     -12.60
   27     0.076    -22.37      22.37     -10.53     -12.68
   28     0.075    -22.53      22.53     -10.69     -12.84
   29     0.072    -22.88      22.88     -11.04     -13.19
   30     0.067    -23.50      23.50     -11.66     -13.81
   31     0.060    -24.46      24.46     -12.62     -14.77
   32     0.051    -25.84      25.84     -14.00     -16.15
   33     0.041    -27.74      27.74     -15.90     -18.05
   34     0.031    -30.23      30.23     -18.39     -20.54
   35     0.023    -32.92      32.92     -21.08     -23.23
   36     0.021    -33.60      33.60     -21.76     -23.91
   37     0.028    -31.13      31.13     -19.29     -21.44
   38     0.040    -28.03      28.03     -16.19     -18.34
   39     0.054    -25.34      25.34     -13.50     -15.65
   40     0.070    -23.04      23.04     -11.20     -13.35
   41     0.089    -21.05      21.05      -9.21     -11.36
   42     0.108    -19.31      19.31      -7.47      -9.62
   43     0.129    -17.77      17.77      -5.93      -8.08
   44     0.151    -16.41      16.41      -4.57      -6.72
   45     0.174    -15.21      15.21      -3.37      -5.52
   46     0.196    -14.16      14.16      -2.32      -4.47
   47     0.218    -13.22      13.22      -1.38      -3.53
   48     0.240    -12.40      12.40      -0.56      -2.71
   49     0.262    -11.65      11.65       0.19      -1.96
   50     0.282    -10.98      10.98       0.86      -1.29
   51     0.304    -10.34      10.34       1.50      -0.65
   52     0.326     -9.74       9.74       2.10      -0.05
   53     0.348     -9.18       9.18       2.66       0.51
   54     0.370     -8.64       8.64       3.20       1.05
   55     0.392     -8.13       8.13       3.71       1.56
   56     0.415     -7.64       7.64       4.20       2.05
   57     0.438     -7.18       7.18       4.66       2.51
   58     0.460     -6.74       6.74       5.10       2.95
   59     0.483     -6.32       6.32       5.52       3.37
   60     0.506     -5.91       5.91       5.93       3.78
   61     0.530     -5.51       5.51       6.33       4.18
   62     0.555     -5.12       5.12       6.72       4.57
   63     0.580     -4.73       4.73       7.11       4.96
   64     0.606     -4.35       4.35       7.49       5.34
   65     0.632     -3.98       3.98       7.86       5.71
   66     0.658     -3.63       3.63       8.21       6.06
   67     0.684     -3.30       3.30       8.54       6.39
   68     0.708     -3.00       3.00       8.84       6.69
   69     0.731     -2.72       2.72       9.12       6.97
   70     0.753     -2.46       2.46       9.38       7.23
   71     0.774     -2.23       2.23       9.61       7.46
   72     0.793     -2.01       2.01       9.83       7.68
   73     0.813     -1.80       1.80      10.04       7.89
   74     0.832     -1.60       1.60      10.24       8.09
   75     0.850     -1.41       1.41      10.43       8.28
   76     0.869     -1.22       1.22      10.62       8.47
   77     0.887     -1.04       1.04      10.80       8.65
   78     0.906     -0.86       0.86      10.98       8.83
   79     0.923     -0.70       0.70      11.14       8.99
   80     0.940     -0.54       0.54      11.30       9.15
   81     0.954     -0.41       0.41      11.43       9.28
   82     0.966     -0.30       0.30      11.54       9.39
   83     0.976     -0.21       0.21      11.63       9.48
   84     0.985     -0.13       0.13      11.71       9.56
   85     0.991     -0.08       0.08      11.76       9.61
   86     0.994     -0.05       0.05      11.79       9.64
   87     0.998     -0.02       0.02      11.82       9.67
   88     0.999     -0.01       0.01      11.83       9.68
   89     1.000      0.00       0.00      11.84       9.69
   90     1.000      0.00       0.00      11.84       9.69
   91     1.000      0.00       0.00      11.84       9.69
   92     0.999     -0.01       0.01      11.83       9.68
   93     0.997     -0.03       0.03      11.81       9.66
   94     0.993     -0.06       0.06      11.78       9.63
   95     0.987     -0.11       0.11      11.73       9.58
   96     0.981     -0.17       0.17      11.67       9.52
   97     0.971     -0.26       0.26      11.58       9.43
   98     0.958     -0.37       0.37      11.47       9.32
   99     0.944     -0.50       0.50      11.34       9.19
  100     0.929     -0.64       0.64      11.20       9.05
  101     0.912     -0.80       0.80      11.04       8.89
  102     0.895     -0.96       0.96      10.88       8.73
  103     0.879     -1.12       1.12      10.72       8.57
  104     0.863     -1.28       1.28      10.56       8.41
  105     0.848     -1.43       1.43      10.41       8.26
  106     0.833     -1.59       1.59      10.25       8.10
  107     0.818     -1.75       1.75      10.09       7.94
  108     0.801     -1.93       1.93       9.91       7.76
  109     0.782     -2.14       2.14       9.70       7.55
  110     0.761     -2.37       2.37       9.47       7.32
  111     0.738     -2.64       2.64       9.20       7.05
  112     0.712     -2.95       2.95       8.89       6.74
  113     0.685     -3.28       3.28       8.56       6.41
  114     0.658     -3.63       3.63       8.21       6.06
  115     0.631     -4.00       4.00       7.84       5.69
  116     0.605     -4.36       4.36       7.48       5.33
  117     0.581     -4.71       4.71       7.13       4.98
  118     0.559     -5.05       5.05       6.79       4.64
  119     0.539     -5.37       5.37       6.47       4.32
  120     0.519     -5.70       5.70       6.14       3.99
  121     0.499     -6.03       6.03       5.81       3.66
  122     0.479     -6.40       6.40       5.44       3.29
  123     0.457     -6.81       6.81       5.03       2.88
  124     0.433     -7.28       7.28       4.56       2.41
  125     0.406     -7.82       7.82       4.02       1.87
  126     0.380     -8.41       8.41       3.43       1.28
  127     0.352     -9.06       9.06       2.78       0.63
  128     0.325     -9.75       9.75       2.09      -0.06
  129     0.300    -10.46      10.46       1.38      -0.77
  130     0.276    -11.19      11.19       0.65      -1.50
  131     0.253    -11.93      11.93      -0.09      -2.24
  132     0.232    -12.69      12.69      -0.85      -3.00
  133     0.212    -13.49      13.49      -1.65      -3.80
  134     0.191    -14.37      14.37      -2.53      -4.68
  135     0.171    -15.34      15.34      -3.50      -5.65
  136     0.150    -16.46      16.46      -4.62      -6.77
  137     0.129    -17.76      17.76      -5.92      -8.07
  138     0.109    -19.27      19.27      -7.43      -9.58
  139     0.089    -21.03      21.03      -9.19     -11.34
  140     0.070    -23.11      23.11     -11.27     -13.42
  141     0.052    -25.60      25.60     -13.76     -15.91
  142     0.037    -28.73      28.73     -16.89     -19.04
  143     0.022    -32.96      32.96     -21.12     -23.27
  144     0.012    -38.76      38.76     -26.92     -29.07
  145     0.012    -38.52      38.52     -26.68     -28.83
  146     0.022    -33.33      33.33     -21.49     -23.64
  147     0.032    -29.86      29.86     -18.02     -20.17
  148     0.042    -27.57      27.57     -15.73     -17.88
  149     0.050    -26.03      26.03     -14.19     -16.34
  150     0.056    -25.02      25.02     -13.18     -15.33
  151     0.060    -24.44      24.44     -12.60     -14.75
  152     0.062    -24.20      24.20     -12.36     -14.51
  153     0.061    -24.25      24.25     -12.41     -14.56
  154     0.059    -24.54      24.54     -12.70     -14.85
  155     0.056    -25.00      25.00     -13.16     -15.31
  156     0.053    -25.53      25.53     -13.69     -15.84
  157     0.050    -26.00      26.00     -14.16     -16.31
  158     0.049    -26.28      26.28     -14.44     -16.59
  159     0.048    -26.35      26.35     -14.51     -16.66
  160     0.048    -26.31      26.31     -14.47     -16.62
  161     0.048    -26.32      26.32     -14.48     -16.63
  162     0.047    -26.57      26.57     -14.73     -16.88
  163     0.044    -27.20      27.20     -15.36     -17.51
  164     0.038    -28.35      28.35     -16.51     -18.66
  165     0.031    -30.19      30.19     -18.35     -20.50
  166     0.022    -33.00      33.00     -21.16     -23.31
  167     0.013    -37.43      37.43     -25.59     -27.74
  168     0.005    -45.83      45.83     -33.99     -36.14
  169     0.002    -54.02      54.02     -42.18     -44.33
  170     0.007    -43.69      43.69     -31.85     -34.00
  171     0.009    -41.29      41.29     -29.45     -31.60
  172     0.008    -41.61      41.61     -29.77     -31.92
  173     0.007    -43.44      43.44     -31.60     -33.75
  174     0.007    -42.82      42.82     -30.98     -33.13
  175     0.012    -38.64      38.64     -26.80     -28.95
  176     0.018    -35.01      35.01     -23.17     -25.32
  177     0.024    -32.48      32.48     -20.64     -22.79
  178     0.029    -30.80      30.80     -18.96     -21.11
  179     0.033    -29.73      29.73     -17.89     -20.04
  180     0.035    -29.12      29.12     -17.28     -19.43
  181     0.036    -28.85      28.85     -17.01     -19.16
  182     0.036    -28.79      28.79     -16.95     -19.10
  183     0.036    -28.82      28.82     -16.98     -19.13
  184     0.036    -28.82      28.82     -16.98     -19.13
  185     0.037    -28.70      28.70     -16.86     -19.01
  186     0.038    -28.42      28.42     -16.58     -18.73
  187     0.040    -28.01      28.01     -16.17     -18.32
  188     0.042    -27.52      27.52     -15.68     -17.83
  189     0.044    -27.06      27.06     -15.22     -17.37
  190     0.046    -26.70      26.70     -14.86     -17.01
  191     0.047    -26.50      26.50     -14.66     -16.81
  192     0.047    -26.53      26.53     -14.69     -16.84
  193     0.046    -26.81      26.81     -14.97     -17.12
  194     0.043    -27.39      27.39     -15.55     -17.70
  195     0.038    -28.31      28.31     -16.47     -18.62
  196     0.033    -29.62      29.62     -17.78     -19.93
  197     0.027    -31.35      31.35     -19.51     -21.66
  198     0.021    -33.38      33.38     -21.54     -23.69
  199     0.018    -35.03      35.03     -23.19     -25.34
  200     0.018    -34.91      34.91     -23.07     -25.22
  201     0.022    -33.16      33.16     -21.32     -23.47
  202     0.028    -31.13      31.13     -19.29     -21.44
  203     0.034    -29.42      29.42     -17.58     -19.73
  204     0.039    -28.10      28.10     -16.26     -18.41
  205     0.044    -27.09      27.09     -15.25     -17.40
  206     0.048    -26.34      26.34     -14.50     -16.65
  207     0.051    -25.77      25.77     -13.93     -16.08
  208     0.054    -25.31      25.31     -13.47     -15.62
  209     0.057    -24.91      24.91     -13.07     -15.22
  210     0.059    -24.56      24.56     -12.72     -14.87
  211     0.061    -24.24      24.24     -12.40     -14.55
  212     0.064    -23.92      23.92     -12.08     -14.23
  213     0.066    -23.61      23.61     -11.77     -13.92
  214     0.069    -23.28      23.28     -11.44     -13.59
  215     0.071    -22.92      22.92     -11.08     -13.23
  216     0.075    -22.53      22.53     -10.69     -12.84
  217     0.079    -22.08      22.08     -10.24     -12.39
  218     0.083    -21.60      21.60      -9.76     -11.91
  219     0.088    -21.09      21.09      -9.25     -11.40
  220     0.094    -20.56      20.56      -8.72     -10.87
  221     0.099    -20.05      20.05      -8.21     -10.36
  222     0.105    -19.56      19.56      -7.72      -9.87
  223     0.111    -19.13      19.13      -7.29      -9.44
  224     0.115    -18.75      18.75      -6.91      -9.06
  225     0.119    -18.46      18.46      -6.62      -8.77
  226     0.122    -18.25      18.25      -6.41      -8.56
  227     0.124    -18.12      18.12      -6.28      -8.43
  228     0.125    -18.09      18.09      -6.25      -8.40
  229     0.124    -18.13      18.13      -6.29      -8.44
  230     0.123    -18.23      18.23      -6.39      -8.54
  231     0.121    -18.37      18.37      -6.53      -8.68
  232     0.118    -18.53      18.53      -6.69      -8.84
  233     0.116    -18.68      18.68      -6.84      -8.99
  234     0.115    -18.82      18.82      -6.98      -9.13
  235     0.113    -18.92      18.92      -7.08      -9.23
  236     0.112    -18.98      18.98      -7.14      -9.29
  237     0.112    -19.01      19.01      -7.17      -9.32
  238     0.112    -19.02      19.02      -7.18      -9.33
  239     0.112    -19.02      19.02      -7.18      -9.33
  240     0.112    -19.03      19.03      -7.19      -9.34
  241     0.111    -19.07      19.07      -7.23      -9.38
  242     0.111    -19.13      19.13      -7.29      -9.44
  243     0.109    -19.23      19.23      -7.39      -9.54
  244     0.108    -19.36      19.36      -7.52      -9.67
  245     0.106    -19.52      19.52      -7.68      -9.83
  246     0.104    -19.69      19.69      -7.85     -10.00
  247     0.102    -19.85      19.85      -8.01     -10.16
  248     0.100    -19.98      19.98      -8.14     -10.29
  249     0.099    -20.06      20.06      -8.22     -10.37
  250     0.099    -20.07      20.07      -8.23     -10.38
  251     0.100    -19.99      19.99      -8.15     -10.30
  252     0.102    -19.80      19.80      -7.96     -10.11
  253     0.106    -19.52      19.52      -7.68      -9.83
  254     0.110    -19.16      19.16      -7.32      -9.47
  255     0.116    -18.73      18.73      -6.89      -9.04
  256     0.122    -18.27      18.27      -6.43      -8.58
  257     0.129    -17.81      17.81      -5.97      -8.12
  258     0.135    -17.37      17.37      -5.53      -7.68
  259     0.142    -16.96      16.96      -5.12      -7.27
  260     0.148    -16.60      16.60      -4.76      -6.91
  261     0.153    -16.30      16.30      -4.46      -6.61
  262     0.157    -16.06      16.06      -4.22      -6.37
  263     0.161    -15.87      15.87      -4.03      -6.18
  264     0.163    -15.74      15.74      -3.90      -6.05
  265     0.165    -15.65      15.65      -3.81      -5.96
  266     0.166    -15.59      15.59      -3.75      -5.90
  267     0.167    -15.55      15.55      -3.71      -5.86
  268     0.167    -15.52      15.52      -3.68      -5.83
  269     0.168    -15.48      15.48      -3.64      -5.79
  270     0.169    -15.43      15.43      -3.59      -5.74
  271     0.170    -15.37      15.37      -3.53      -5.68
  272     0.172    -15.31      15.31      -3.47      -5.62
  273     0.172    -15.27      15.27      -3.43      -5.58
  274     0.173    -15.25      15.25      -3.41      -5.56
  275     0.173    -15.26      15.26      -3.42      -5.57
  276     0.172    -15.31      15.31      -3.47      -5.62
  277     0.170    -15.39      15.39      -3.55      -5.70
  278     0.168    -15.51      15.51      -3.67      -5.82
  279     0.165    -15.66      15.66      -3.82      -5.97
  280     0.162    -15.82      15.82      -3.98      -6.13
  281     0.158    -16.00      16.00      -4.16      -6.31
  282     0.155    -16.17      16.17      -4.33      -6.48
  283     0.153    -16.33      16.33      -4.49      -6.64
  284     0.150    -16.49      16.49      -4.65      -6.80
  285     0.147    -16.64      16.64      -4.80      -6.95
  286     0.145    -16.79      16.79      -4.95      -7.10
  287     0.142    -16.94      16.94      -5.10      -7.25
  288     0.140    -17.10      17.10      -5.26      -7.41
  289     0.137    -17.27      17.27      -5.43      -7.58
  290     0.134    -17.46      17.46      -5.62      -7.77
  291     0.131    -17.64      17.64      -5.80      -7.95
  292     0.128    -17.83      17.83      -5.99      -8.14
  293     0.126    -18.02      18.02      -6.18      -8.33
  294     0.123    -18.21      18.21      -6.37      -8.52
  295     0.120    -18.39      18.39      -6.55      -8.70
  296     0.118    -18.54      18.54      -6.70      -8.85
  297     0.117    -18.66      18.66      -6.82      -8.97
  298     0.116    -18.73      18.73      -6.89      -9.04
  299     0.116    -18.71      18.71      -6.87      -9.02
  300     0.117    -18.61      18.61      -6.77      -8.92
  301     0.120    -18.42      18.42      -6.58      -8.73
  302     0.123    -18.17      18.17      -6.33      -8.48
  303     0.127    -17.90      17.90      -6.06      -8.21
  304     0.131    -17.65      17.65      -5.81      -7.96
  305     0.134    -17.45      17.45      -5.61      -7.76
  306     0.136    -17.35      17.35      -5.51      -7.66
  307     0.136    -17.35      17.35      -5.51      -7.66
  308     0.134    -17.45      17.45      -5.61      -7.76
  309     0.131    -17.67      17.67      -5.83      -7.98
  310     0.126    -17.97      17.97      -6.13      -8.28
  311     0.121    -18.33      18.33      -6.49      -8.64
  312     0.116    -18.70      18.70      -6.86      -9.01
  313     0.112    -19.03      19.03      -7.19      -9.34
  314     0.109    -19.27      19.27      -7.43      -9.58
  315     0.107    -19.41      19.41      -7.57      -9.72
  316     0.106    -19.46      19.46      -7.62      -9.77
  317     0.106    -19.47      19.47      -7.63      -9.78
  318     0.106    -19.51      19.51      -7.67      -9.82
  319     0.105    -19.61      19.61      -7.77      -9.92
  320     0.102    -19.84      19.84      -8.00     -10.15
  321     0.098    -20.20      20.20      -8.36     -10.51
  322     0.092    -20.72      20.72      -8.88     -11.03
  323     0.085    -21.38      21.38      -9.54     -11.69
  324     0.078    -22.17      22.17     -10.33     -12.48
  325     0.070    -23.04      23.04     -11.20     -13.35
  326     0.063    -23.96      23.96     -12.12     -14.27
  327     0.057    -24.85      24.85     -13.01     -15.16
  328     0.052    -25.64      25.64     -13.80     -15.95
  329     0.049    -26.27      26.27     -14.43     -16.58
  330     0.046    -26.70      26.70     -14.86     -17.01
  331     0.045    -26.90      26.90     -15.06     -17.21
  332     0.045    -26.90      26.90     -15.06     -17.21
  333     0.046    -26.73      26.73     -14.89     -17.04
  334     0.047    -26.47      26.47     -14.63     -16.78
  335     0.049    -26.17      26.17     -14.33     -16.48
  336     0.051    -25.86      25.86     -14.02     -16.17
  337     0.053    -25.58      25.58     -13.74     -15.89
  338     0.054    -25.32      25.32     -13.48     -15.63
  339     0.056    -25.08      25.08     -13.24     -15.39
  340     0.058    -24.80      24.80     -12.96     -15.11
  341     0.060    -24.47      24.47     -12.63     -14.78
  342     0.063    -24.06      24.06     -12.22     -14.37
  343     0.067    -23.54      23.54     -11.70     -13.85
  344     0.071    -22.94      22.94     -11.10     -13.25
  345     0.077    -22.29      22.29     -10.45     -12.60
  346     0.083    -21.63      21.63      -9.79     -11.94
  347     0.089    -21.01      21.01      -9.17     -11.32
  348     0.095    -20.45      20.45      -8.61     -10.76
  349     0.100    -19.98      19.98      -8.14     -10.29
  350     0.105    -19.60      19.60      -7.76      -9.91
  351     0.108    -19.33      19.33      -7.49      -9.64
  352     0.110    -19.15      19.15      -7.31      -9.46
  353     0.112    -19.05      19.05      -7.21      -9.36
  354     0.112    -19.00      19.00      -7.16      -9.31
  355     0.112    -18.99      18.99      -7.15      -9.30
  356     0.112    -19.01      19.01      -7.17      -9.32
  357     0.112    -19.05      19.05      -7.21      -9.36
  358     0.111    -19.13      19.13      -7.29      -9.44
  359     0.109    -19.29      19.29      -7.45      -9.60
