RY-900B
947.5 MHz
10.05 dBd (12.20 dBi)
Vertical polarization



Horizontal radiation pattern




Angle     Field    Rel dB       Attn        dBi        dBd
-----     -----    ------     ------     ------     ------
    0     1.000      0.00       0.00      12.20      10.05
    1     0.999     -0.01       0.01      12.19      10.04
    2     0.998     -0.02       0.02      12.18      10.03
    3     0.994     -0.05       0.05      12.15      10.00
    4     0.991     -0.08       0.08      12.12       9.97
    5     0.985     -0.13       0.13      12.07       9.92
    6     0.978     -0.19       0.19      12.01       9.86
    7     0.971     -0.26       0.26      11.94       9.79
    8     0.962     -0.34       0.34      11.86       9.71
    9     0.952     -0.43       0.43      11.77       9.62
   10     0.942     -0.52       0.52      11.68       9.53
   11     0.929     -0.64       0.64      11.56       9.41
   12     0.916     -0.76       0.76      11.44       9.29
   13     0.902     -0.90       0.90      11.30       9.15
   14     0.887     -1.04       1.04      11.16       9.01
   15     0.872     -1.19       1.19      11.01       8.86
   16     0.855     -1.36       1.36      10.84       8.69
   17     0.837     -1.55       1.55      10.65       8.50
   18     0.817     -1.76       1.76      10.44       8.29
   19     0.797     -1.97       1.97      10.23       8.08
   20     0.776     -2.20       2.20      10.00       7.85
   21     0.755     -2.44       2.44       9.76       7.61
   22     0.732     -2.71       2.71       9.49       7.34
   23     0.706     -3.03       3.03       9.17       7.02
   24     0.680     -3.35       3.35       8.85       6.70
   25     0.654     -3.69       3.69       8.51       6.36
   26     0.628     -4.04       4.04       8.16       6.01
   27     0.602     -4.41       4.41       7.79       5.64
   28     0.573     -4.84       4.84       7.36       5.21
   29     0.543     -5.31       5.31       6.89       4.74
   30     0.513     -5.79       5.79       6.41       4.26
   31     0.485     -6.29       6.29       5.91       3.76
   32     0.457     -6.80       6.80       5.40       3.25
   33     0.429     -7.36       7.36       4.84       2.69
   34     0.398     -8.01       8.01       4.19       2.04
   35     0.367     -8.70       8.70       3.50       1.35
   36     0.338     -9.42       9.42       2.78       0.63
   37     0.310    -10.16      10.16       2.04      -0.11
   38     0.284    -10.92      10.92       1.28      -0.87
   39     0.256    -11.82      11.82       0.38      -1.77
   40     0.228    -12.85      12.85      -0.65      -2.80
   41     0.200    -13.96      13.96      -1.76      -3.91
   42     0.176    -15.10      15.10      -2.90      -5.05
   43     0.155    -16.22      16.22      -4.02      -6.17
   44     0.138    -17.23      17.23      -5.03      -7.18
   45     0.119    -18.47      18.47      -6.27      -8.42
   46     0.105    -19.54      19.54      -7.34      -9.49
   47     0.098    -20.15      20.15      -7.95     -10.10
   48     0.099    -20.09      20.09      -7.89     -10.04
   49     0.106    -19.49      19.49      -7.29      -9.44
   50     0.114    -18.84      18.84      -6.64      -8.79
   51     0.121    -18.31      18.31      -6.11      -8.26
   52     0.132    -17.58      17.58      -5.38      -7.53
   53     0.145    -16.75      16.75      -4.55      -6.70
   54     0.160    -15.91      15.91      -3.71      -5.86
   55     0.175    -15.14      15.14      -2.94      -5.09
   56     0.183    -14.74      14.74      -2.54      -4.69
   57     0.190    -14.41      14.41      -2.21      -4.36
   58     0.199    -14.04      14.04      -1.84      -3.99
   59     0.208    -13.62      13.62      -1.42      -3.57
   60     0.219    -13.20      13.20      -1.00      -3.15
   61     0.228    -12.84      12.84      -0.64      -2.79
   62     0.231    -12.73      12.73      -0.53      -2.68
   63     0.235    -12.59      12.59      -0.39      -2.54
   64     0.240    -12.40      12.40      -0.20      -2.35
   65     0.246    -12.17      12.17       0.03      -2.12
   66     0.253    -11.93      11.93       0.27      -1.88
   67     0.254    -11.89      11.89       0.31      -1.84
   68     0.251    -12.01      12.01       0.19      -1.96
   69     0.248    -12.12      12.12       0.08      -2.07
   70     0.246    -12.19      12.19       0.01      -2.14
   71     0.245    -12.22      12.22      -0.02      -2.17
   72     0.245    -12.21      12.21      -0.01      -2.16
   73     0.239    -12.42      12.42      -0.22      -2.37
   74     0.234    -12.63      12.63      -0.43      -2.58
   75     0.229    -12.81      12.81      -0.61      -2.76
   76     0.226    -12.93      12.93      -0.73      -2.88
   77     0.224    -13.00      13.00      -0.80      -2.95
   78     0.221    -13.13      13.13      -0.93      -3.08
   79     0.212    -13.47      13.47      -1.27      -3.42
   80     0.203    -13.84      13.84      -1.64      -3.79
   81     0.195    -14.21      14.21      -2.01      -4.16
   82     0.187    -14.57      14.57      -2.37      -4.52
   83     0.180    -14.89      14.89      -2.69      -4.84
   84     0.172    -15.31      15.31      -3.11      -5.26
   85     0.161    -15.85      15.85      -3.65      -5.80
   86     0.151    -16.43      16.43      -4.23      -6.38
   87     0.140    -17.06      17.06      -4.86      -7.01
   88     0.130    -17.69      17.69      -5.49      -7.64
   89     0.121    -18.32      18.32      -6.12      -8.27
   90     0.113    -18.96      18.96      -6.76      -8.91
   91     0.104    -19.67      19.67      -7.47      -9.62
   92     0.095    -20.43      20.43      -8.23     -10.38
   93     0.087    -21.23      21.23      -9.03     -11.18
   94     0.079    -22.02      22.02      -9.82     -11.97
   95     0.075    -22.53      22.53     -10.33     -12.48
   96     0.074    -22.60      22.60     -10.40     -12.55
   97     0.075    -22.46      22.46     -10.26     -12.41
   98     0.078    -22.14      22.14      -9.94     -12.09
   99     0.083    -21.67      21.67      -9.47     -11.62
  100     0.088    -21.10      21.10      -8.90     -11.05
  101     0.096    -20.32      20.32      -8.12     -10.27
  102     0.106    -19.51      19.51      -7.31      -9.46
  103     0.116    -18.73      18.73      -6.53      -8.68
  104     0.126    -18.00      18.00      -5.80      -7.95
  105     0.136    -17.34      17.34      -5.14      -7.29
  106     0.145    -16.76      16.76      -4.56      -6.71
  107     0.153    -16.32      16.32      -4.12      -6.27
  108     0.161    -15.89      15.89      -3.69      -5.84
  109     0.168    -15.49      15.49      -3.29      -5.44
  110     0.175    -15.12      15.12      -2.92      -5.07
  111     0.183    -14.77      14.77      -2.57      -4.72
  112     0.188    -14.51      14.51      -2.31      -4.46
  113     0.192    -14.33      14.33      -2.13      -4.28
  114     0.196    -14.16      14.16      -1.96      -4.11
  115     0.199    -14.01      14.01      -1.81      -3.96
  116     0.203    -13.85      13.85      -1.65      -3.80
  117     0.206    -13.72      13.72      -1.52      -3.67
  118     0.207    -13.67      13.67      -1.47      -3.62
  119     0.208    -13.63      13.63      -1.43      -3.58
  120     0.209    -13.61      13.61      -1.41      -3.56
  121     0.209    -13.59      13.59      -1.39      -3.54
  122     0.209    -13.59      13.59      -1.39      -3.54
  123     0.208    -13.63      13.63      -1.43      -3.58
  124     0.205    -13.75      13.75      -1.55      -3.70
  125     0.202    -13.90      13.90      -1.70      -3.85
  126     0.198    -14.06      14.06      -1.86      -4.01
  127     0.194    -14.24      14.24      -2.04      -4.19
  128     0.190    -14.44      14.44      -2.24      -4.39
  129     0.184    -14.69      14.69      -2.49      -4.64
  130     0.178    -15.00      15.00      -2.80      -4.95
  131     0.171    -15.33      15.33      -3.13      -5.28
  132     0.164    -15.68      15.68      -3.48      -5.63
  133     0.158    -16.05      16.05      -3.85      -6.00
  134     0.151    -16.42      16.42      -4.22      -6.37
  135     0.144    -16.81      16.81      -4.61      -6.76
  136     0.138    -17.20      17.20      -5.00      -7.15
  137     0.132    -17.61      17.61      -5.41      -7.56
  138     0.125    -18.03      18.03      -5.83      -7.98
  139     0.119    -18.46      18.46      -6.26      -8.41
  140     0.113    -18.91      18.91      -6.71      -8.86
  141     0.107    -19.41      19.41      -7.21      -9.36
  142     0.101    -19.93      19.93      -7.73      -9.88
  143     0.095    -20.44      20.44      -8.24     -10.39
  144     0.090    -20.95      20.95      -8.75     -10.90
  145     0.085    -21.43      21.43      -9.23     -11.38
  146     0.080    -21.89      21.89      -9.69     -11.84
  147     0.077    -22.31      22.31     -10.11     -12.26
  148     0.073    -22.69      22.69     -10.49     -12.64
  149     0.071    -22.99      22.99     -10.79     -12.94
  150     0.069    -23.21      23.21     -11.01     -13.16
  151     0.068    -23.32      23.32     -11.12     -13.27
  152     0.068    -23.33      23.33     -11.13     -13.28
  153     0.069    -23.25      23.25     -11.05     -13.20
  154     0.070    -23.10      23.10     -10.90     -13.05
  155     0.072    -22.89      22.89     -10.69     -12.84
  156     0.074    -22.64      22.64     -10.44     -12.59
  157     0.076    -22.37      22.37     -10.17     -12.32
  158     0.079    -22.10      22.10      -9.90     -12.05
  159     0.081    -21.83      21.83      -9.63     -11.78
  160     0.083    -21.57      21.57      -9.37     -11.52
  161     0.086    -21.31      21.31      -9.11     -11.26
  162     0.088    -21.08      21.08      -8.88     -11.03
  163     0.091    -20.85      20.85      -8.65     -10.80
  164     0.093    -20.66      20.66      -8.46     -10.61
  165     0.095    -20.48      20.48      -8.28     -10.43
  166     0.096    -20.32      20.32      -8.12     -10.27
  167     0.098    -20.19      20.19      -7.99     -10.14
  168     0.099    -20.06      20.06      -7.86     -10.01
  169     0.101    -19.94      19.94      -7.74      -9.89
  170     0.102    -19.83      19.83      -7.63      -9.78
  171     0.103    -19.73      19.73      -7.53      -9.68
  172     0.104    -19.65      19.65      -7.45      -9.60
  173     0.105    -19.59      19.59      -7.39      -9.54
  174     0.106    -19.53      19.53      -7.33      -9.48
  175     0.106    -19.48      19.48      -7.28      -9.43
  176     0.107    -19.45      19.45      -7.25      -9.40
  177     0.107    -19.43      19.43      -7.23      -9.38
  178     0.107    -19.43      19.43      -7.23      -9.38
  179     0.107    -19.44      19.44      -7.24      -9.39
  180     0.106    -19.46      19.46      -7.26      -9.41
  181     0.106    -19.50      19.50      -7.30      -9.45
  182     0.105    -19.54      19.54      -7.34      -9.49
  183     0.105    -19.60      19.60      -7.40      -9.55
  184     0.104    -19.68      19.68      -7.48      -9.63
  185     0.103    -19.77      19.77      -7.57      -9.72
  186     0.102    -19.87      19.87      -7.67      -9.82
  187     0.100    -19.99      19.99      -7.79      -9.94
  188     0.099    -20.12      20.12      -7.92     -10.07
  189     0.097    -20.28      20.28      -8.08     -10.23
  190     0.095    -20.45      20.45      -8.25     -10.40
  191     0.093    -20.65      20.65      -8.45     -10.60
  192     0.091    -20.84      20.84      -8.64     -10.79
  193     0.089    -21.05      21.05      -8.85     -11.00
  194     0.086    -21.26      21.26      -9.06     -11.21
  195     0.084    -21.47      21.47      -9.27     -11.42
  196     0.082    -21.70      21.70      -9.50     -11.65
  197     0.080    -21.96      21.96      -9.76     -11.91
  198     0.077    -22.22      22.22     -10.02     -12.17
  199     0.076    -22.44      22.44     -10.24     -12.39
  200     0.074    -22.63      22.63     -10.43     -12.58
  201     0.072    -22.80      22.80     -10.60     -12.75
  202     0.071    -22.96      22.96     -10.76     -12.91
  203     0.070    -23.12      23.12     -10.92     -13.07
  204     0.069    -23.23      23.23     -11.03     -13.18
  205     0.068    -23.30      23.30     -11.10     -13.25
  206     0.068    -23.32      23.32     -11.12     -13.27
  207     0.069    -23.28      23.28     -11.08     -13.23
  208     0.069    -23.23      23.23     -11.03     -13.18
  209     0.070    -23.06      23.06     -10.86     -13.01
  210     0.073    -22.76      22.76     -10.56     -12.71
  211     0.076    -22.36      22.36     -10.16     -12.31
  212     0.080    -21.89      21.89      -9.69     -11.84
  213     0.085    -21.39      21.39      -9.19     -11.34
  214     0.090    -20.87      20.87      -8.67     -10.82
  215     0.097    -20.28      20.28      -8.08     -10.23
  216     0.104    -19.65      19.65      -7.45      -9.60
  217     0.112    -19.02      19.02      -6.82      -8.97
  218     0.120    -18.40      18.40      -6.20      -8.35
  219     0.128    -17.87      17.87      -5.67      -7.82
  220     0.135    -17.37      17.37      -5.17      -7.32
  221     0.143    -16.88      16.88      -4.68      -6.83
  222     0.151    -16.42      16.42      -4.22      -6.37
  223     0.159    -15.99      15.99      -3.79      -5.94
  224     0.166    -15.60      15.60      -3.40      -5.55
  225     0.172    -15.31      15.31      -3.11      -5.26
  226     0.177    -15.03      15.03      -2.83      -4.98
  227     0.183    -14.75      14.75      -2.55      -4.70
  228     0.189    -14.49      14.49      -2.29      -4.44
  229     0.194    -14.26      14.26      -2.06      -4.21
  230     0.197    -14.12      14.12      -1.92      -4.07
  231     0.198    -14.07      14.07      -1.87      -4.02
  232     0.199    -14.02      14.02      -1.82      -3.97
  233     0.200    -13.96      13.96      -1.76      -3.91
  234     0.202    -13.89      13.89      -1.69      -3.84
  235     0.204    -13.82      13.82      -1.62      -3.77
  236     0.202    -13.88      13.88      -1.68      -3.83
  237     0.200    -13.99      13.99      -1.79      -3.94
  238     0.197    -14.10      14.10      -1.90      -4.05
  239     0.195    -14.19      14.19      -1.99      -4.14
  240     0.193    -14.28      14.28      -2.08      -4.23
  241     0.191    -14.39      14.39      -2.19      -4.34
  242     0.186    -14.60      14.60      -2.40      -4.55
  243     0.181    -14.83      14.83      -2.63      -4.78
  244     0.177    -15.06      15.06      -2.86      -5.01
  245     0.172    -15.28      15.28      -3.08      -5.23
  246     0.168    -15.49      15.49      -3.29      -5.44
  247     0.163    -15.77      15.77      -3.57      -5.72
  248     0.156    -16.12      16.12      -3.92      -6.07
  249     0.150    -16.47      16.47      -4.27      -6.42
  250     0.144    -16.82      16.82      -4.62      -6.77
  251     0.139    -17.14      17.14      -4.94      -7.09
  252     0.134    -17.44      17.44      -5.24      -7.39
  253     0.127    -17.90      17.90      -5.70      -7.85
  254     0.120    -18.40      18.40      -6.20      -8.35
  255     0.113    -18.94      18.94      -6.74      -8.89
  256     0.106    -19.47      19.47      -7.27      -9.42
  257     0.100    -20.00      20.00      -7.80      -9.95
  258     0.095    -20.49      20.49      -8.29     -10.44
  259     0.090    -20.94      20.94      -8.74     -10.89
  260     0.085    -21.40      21.40      -9.20     -11.35
  261     0.081    -21.80      21.80      -9.60     -11.75
  262     0.079    -22.09      22.09      -9.89     -12.04
  263     0.077    -22.23      22.23     -10.03     -12.18
  264     0.078    -22.14      22.14      -9.94     -12.09
  265     0.081    -21.81      21.81      -9.61     -11.76
  266     0.087    -21.21      21.21      -9.01     -11.16
  267     0.096    -20.36      20.36      -8.16     -10.31
  268     0.108    -19.31      19.31      -7.11      -9.26
  269     0.125    -18.08      18.08      -5.88      -8.03
  270     0.142    -16.96      16.96      -4.76      -6.91
  271     0.156    -16.16      16.16      -3.96      -6.11
  272     0.167    -15.56      15.56      -3.36      -5.51
  273     0.176    -15.08      15.08      -2.88      -5.03
  274     0.185    -14.67      14.67      -2.47      -4.62
  275     0.193    -14.30      14.30      -2.10      -4.25
  276     0.201    -13.94      13.94      -1.74      -3.89
  277     0.209    -13.58      13.58      -1.38      -3.53
  278     0.218    -13.23      13.23      -1.03      -3.18
  279     0.227    -12.89      12.89      -0.69      -2.84
  280     0.235    -12.59      12.59      -0.39      -2.54
  281     0.239    -12.44      12.44      -0.24      -2.39
  282     0.242    -12.31      12.31      -0.11      -2.26
  283     0.247    -12.15      12.15       0.05      -2.10
  284     0.252    -11.96      11.96       0.24      -1.91
  285     0.258    -11.77      11.77       0.43      -1.72
  286     0.262    -11.63      11.63       0.57      -1.58
  287     0.262    -11.64      11.64       0.56      -1.59
  288     0.261    -11.66      11.66       0.54      -1.61
  289     0.260    -11.69      11.69       0.51      -1.64
  290     0.259    -11.73      11.73       0.47      -1.68
  291     0.258    -11.78      11.78       0.42      -1.73
  292     0.252    -11.98      11.98       0.22      -1.93
  293     0.243    -12.30      12.30      -0.10      -2.25
  294     0.234    -12.61      12.61      -0.41      -2.56
  295     0.227    -12.89      12.89      -0.69      -2.84
  296     0.221    -13.11      13.11      -0.91      -3.06
  297     0.217    -13.28      13.28      -1.08      -3.23
  298     0.210    -13.56      13.56      -1.36      -3.51
  299     0.203    -13.85      13.85      -1.65      -3.80
  300     0.197    -14.12      14.12      -1.92      -4.07
  301     0.191    -14.38      14.38      -2.18      -4.33
  302     0.185    -14.64      14.64      -2.44      -4.59
  303     0.178    -14.99      14.99      -2.79      -4.94
  304     0.166    -15.59      15.59      -3.39      -5.54
  305     0.154    -16.26      16.26      -4.06      -6.21
  306     0.142    -16.96      16.96      -4.76      -6.91
  307     0.131    -17.64      17.64      -5.44      -7.59
  308     0.122    -18.24      18.24      -6.04      -8.19
  309     0.114    -18.88      18.88      -6.68      -8.83
  310     0.107    -19.43      19.43      -7.23      -9.38
  311     0.104    -19.66      19.66      -7.46      -9.61
  312     0.107    -19.44      19.44      -7.24      -9.39
  313     0.115    -18.78      18.78      -6.58      -8.73
  314     0.128    -17.84      17.84      -5.64      -7.79
  315     0.143    -16.90      16.90      -4.70      -6.85
  316     0.161    -15.84      15.84      -3.64      -5.79
  317     0.183    -14.75      14.75      -2.55      -4.70
  318     0.207    -13.68      13.68      -1.48      -3.63
  319     0.233    -12.67      12.67      -0.47      -2.62
  320     0.258    -11.78      11.78       0.42      -1.73
  321     0.282    -11.01      11.01       1.19      -0.96
  322     0.306    -10.28      10.28       1.92      -0.23
  323     0.332     -9.58       9.58       2.62       0.47
  324     0.358     -8.92       8.92       3.28       1.13
  325     0.385     -8.29       8.29       3.91       1.76
  326     0.411     -7.72       7.72       4.48       2.33
  327     0.438     -7.18       7.18       5.02       2.87
  328     0.465     -6.66       6.66       5.54       3.39
  329     0.493     -6.15       6.15       6.05       3.90
  330     0.520     -5.68       5.68       6.52       4.37
  331     0.548     -5.22       5.22       6.98       4.83
  332     0.575     -4.81       4.81       7.39       5.24
  333     0.602     -4.41       4.41       7.79       5.64
  334     0.629     -4.03       4.03       8.17       6.02
  335     0.655     -3.67       3.67       8.53       6.38
  336     0.682     -3.33       3.33       8.87       6.72
  337     0.707     -3.01       3.01       9.19       7.04
  338     0.732     -2.71       2.71       9.49       7.34
  339     0.756     -2.43       2.43       9.77       7.62
  340     0.779     -2.17       2.17      10.03       7.88
  341     0.801     -1.93       1.93      10.27       8.12
  342     0.822     -1.70       1.70      10.50       8.35
  343     0.841     -1.50       1.50      10.70       8.55
  344     0.860     -1.31       1.31      10.89       8.74
  345     0.877     -1.14       1.14      11.06       8.91
  346     0.893     -0.98       0.98      11.22       9.07
  347     0.908     -0.84       0.84      11.36       9.21
  348     0.922     -0.71       0.71      11.49       9.34
  349     0.935     -0.58       0.58      11.62       9.47
  350     0.947     -0.47       0.47      11.73       9.58
  351     0.958     -0.37       0.37      11.83       9.68
  352     0.967     -0.29       0.29      11.91       9.76
  353     0.975     -0.22       0.22      11.98       9.83
  354     0.983     -0.15       0.15      12.05       9.90
  355     0.989     -0.10       0.10      12.10       9.95
  356     0.993     -0.06       0.06      12.14       9.99
  357     0.997     -0.03       0.03      12.17      10.02
  358     0.999     -0.01       0.01      12.19      10.04
  359     1.000      0.00       0.00      12.20      10.05
