RY-900B
902.5 MHz
9.71 dBd (11.86 dBi)
Horizontal polarization



Vertical radiation pattern


0 = zenith, 90 = horizon, 180 = nadir

Angle     Field    Rel dB       Attn        dBi        dBd
-----     ------   ------     ------     ------     ------
    0     0.218    -13.22      13.22      -1.36      -3.51
    1     0.226    -12.90      12.90      -1.04      -3.19
    2     0.233    -12.66      12.66      -0.80      -2.95
    3     0.237    -12.49      12.49      -0.63      -2.78
    4     0.241    -12.35      12.35      -0.49      -2.64
    5     0.245    -12.23      12.23      -0.37      -2.52
    6     0.248    -12.12      12.12      -0.26      -2.41
    7     0.251    -12.01      12.01      -0.15      -2.30
    8     0.254    -11.90      11.90      -0.04      -2.19
    9     0.257    -11.81      11.81       0.05      -2.10
   10     0.259    -11.74      11.74       0.12      -2.03
   11     0.256    -11.83      11.83       0.03      -2.12
   12     0.252    -11.96      11.96      -0.10      -2.25
   13     0.248    -12.11      12.11      -0.25      -2.40
   14     0.244    -12.27      12.27      -0.41      -2.56
   15     0.239    -12.43      12.43      -0.57      -2.72
   16     0.234    -12.63      12.63      -0.77      -2.92
   17     0.225    -12.94      12.94      -1.08      -3.23
   18     0.217    -13.26      13.26      -1.40      -3.55
   19     0.209    -13.58      13.58      -1.72      -3.87
   20     0.203    -13.87      13.87      -2.01      -4.16
   21     0.196    -14.16      14.16      -2.30      -4.45
   22     0.187    -14.57      14.57      -2.71      -4.86
   23     0.176    -15.09      15.09      -3.23      -5.38
   24     0.164    -15.70      15.70      -3.84      -5.99
   25     0.152    -16.38      16.38      -4.52      -6.67
   26     0.139    -17.16      17.16      -5.30      -7.45
   27     0.125    -18.05      18.05      -6.19      -8.34
   28     0.108    -19.33      19.33      -7.47      -9.62
   29     0.090    -20.91      20.91      -9.05     -11.20
   30     0.072    -22.87      22.87     -11.01     -13.16
   31     0.054    -25.33      25.33     -13.47     -15.62
   32     0.038    -28.36      28.36     -16.50     -18.65
   33     0.026    -31.71      31.71     -19.85     -22.00
   34     0.022    -33.22      33.22     -21.36     -23.51
   35     0.031    -30.16      30.16     -18.30     -20.45
   36     0.047    -26.65      26.65     -14.79     -16.94
   37     0.064    -23.90      23.90     -12.04     -14.19
   38     0.082    -21.74      21.74      -9.88     -12.03
   39     0.099    -20.07      20.07      -8.21     -10.36
   40     0.117    -18.62      18.62      -6.76      -8.91
   41     0.136    -17.34      17.34      -5.48      -7.63
   42     0.155    -16.18      16.18      -4.32      -6.47
   43     0.175    -15.13      15.13      -3.27      -5.42
   44     0.195    -14.18      14.18      -2.32      -4.47
   45     0.215    -13.37      13.37      -1.51      -3.66
   46     0.235    -12.59      12.59      -0.73      -2.88
   47     0.256    -11.84      11.84       0.02      -2.13
   48     0.278    -11.12      11.12       0.74      -1.41
   49     0.301    -10.42      10.42       1.44      -0.71
   50     0.324     -9.78       9.78       2.08      -0.07
   51     0.348     -9.17       9.17       2.69       0.54
   52     0.372     -8.58       8.58       3.28       1.13
   53     0.398     -8.01       8.01       3.85       1.70
   54     0.424     -7.46       7.46       4.40       2.25
   55     0.450     -6.93       6.93       4.93       2.78
   56     0.476     -6.45       6.45       5.41       3.26
   57     0.501     -6.00       6.00       5.86       3.71
   58     0.526     -5.58       5.58       6.28       4.13
   59     0.551     -5.17       5.17       6.69       4.54
   60     0.577     -4.78       4.78       7.08       4.93
   61     0.601     -4.42       4.42       7.44       5.29
   62     0.625     -4.08       4.08       7.78       5.63
   63     0.649     -3.75       3.75       8.11       5.96
   64     0.673     -3.44       3.44       8.42       6.27
   65     0.696     -3.15       3.15       8.71       6.56
   66     0.719     -2.87       2.87       8.99       6.84
   67     0.740     -2.61       2.61       9.25       7.10
   68     0.761     -2.37       2.37       9.49       7.34
   69     0.781     -2.15       2.15       9.71       7.56
   70     0.801     -1.93       1.93       9.93       7.78
   71     0.818     -1.74       1.74      10.12       7.97
   72     0.837     -1.55       1.55      10.31       8.16
   73     0.854     -1.37       1.37      10.49       8.34
   74     0.871     -1.20       1.20      10.66       8.51
   75     0.886     -1.05       1.05      10.81       8.66
   76     0.901     -0.91       0.91      10.95       8.80
   77     0.915     -0.77       0.77      11.09       8.94
   78     0.928     -0.65       0.65      11.21       9.06
   79     0.940     -0.54       0.54      11.32       9.17
   80     0.951     -0.44       0.44      11.42       9.27
   81     0.961     -0.35       0.35      11.51       9.36
   82     0.969     -0.27       0.27      11.59       9.44
   83     0.977     -0.20       0.20      11.66       9.51
   84     0.984     -0.14       0.14      11.72       9.57
   85     0.990     -0.09       0.09      11.77       9.62
   86     0.993     -0.06       0.06      11.80       9.65
   87     0.997     -0.03       0.03      11.83       9.68
   88     0.999     -0.01       0.01      11.85       9.70
   89     0.999     -0.01       0.01      11.85       9.70
   90     1.000      0.00       0.00      11.86       9.71
   91     1.000      0.00       0.00      11.86       9.71
   92     0.998     -0.02       0.02      11.84       9.69
   93     0.995     -0.04       0.04      11.82       9.67
   94     0.992     -0.07       0.07      11.79       9.64
   95     0.986     -0.12       0.12      11.74       9.59
   96     0.981     -0.17       0.17      11.69       9.54
   97     0.974     -0.23       0.23      11.63       9.48
   98     0.966     -0.30       0.30      11.56       9.41
   99     0.958     -0.37       0.37      11.49       9.34
  100     0.948     -0.46       0.46      11.40       9.25
  101     0.938     -0.56       0.56      11.30       9.15
  102     0.927     -0.66       0.66      11.20       9.05
  103     0.914     -0.78       0.78      11.08       8.93
  104     0.902     -0.90       0.90      10.96       8.81
  105     0.888     -1.03       1.03      10.83       8.68
  106     0.873     -1.18       1.18      10.68       8.53
  107     0.856     -1.35       1.35      10.51       8.36
  108     0.839     -1.52       1.52      10.34       8.19
  109     0.821     -1.71       1.71      10.15       8.00
  110     0.803     -1.91       1.91       9.95       7.80
  111     0.784     -2.11       2.11       9.75       7.60
  112     0.764     -2.34       2.34       9.52       7.37
  113     0.742     -2.59       2.59       9.27       7.12
  114     0.719     -2.86       2.86       9.00       6.85
  115     0.697     -3.13       3.13       8.73       6.58
  116     0.675     -3.41       3.41       8.45       6.30
  117     0.653     -3.70       3.70       8.16       6.01
  118     0.627     -4.06       4.06       7.80       5.65
  119     0.600     -4.43       4.43       7.43       5.28
  120     0.574     -4.82       4.82       7.04       4.89
  121     0.548     -5.22       5.22       6.64       4.49
  122     0.522     -5.64       5.64       6.22       4.07
  123     0.495     -6.10       6.10       5.76       3.61
  124     0.466     -6.63       6.63       5.23       3.08
  125     0.438     -7.18       7.18       4.68       2.53
  126     0.409     -7.76       7.76       4.10       1.95
  127     0.382     -8.36       8.36       3.50       1.35
  128     0.355     -8.99       8.99       2.87       0.72
  129     0.327     -9.72       9.72       2.14      -0.01
  130     0.298    -10.53      10.53       1.33      -0.82
  131     0.269    -11.40      11.40       0.46      -1.69
  132     0.242    -12.32      12.32      -0.46      -2.61
  133     0.217    -13.28      13.28      -1.42      -3.57
  134     0.193    -14.29      14.29      -2.43      -4.58
  135     0.168    -15.48      15.48      -3.62      -5.77
  136     0.144    -16.82      16.82      -4.96      -7.11
  137     0.121    -18.33      18.33      -6.47      -8.62
  138     0.100    -20.01      20.01      -8.15     -10.30
  139     0.081    -21.83      21.83      -9.97     -12.12
  140     0.064    -23.91      23.91     -12.05     -14.20
  141     0.048    -26.45      26.45     -14.59     -16.74
  142     0.036    -28.81      28.81     -16.95     -19.10
  143     0.035    -29.24      29.24     -17.38     -19.53
  144     0.042    -27.44      27.44     -15.58     -17.73
  145     0.055    -25.24      25.24     -13.38     -15.53
  146     0.064    -23.93      23.93     -12.07     -14.22
  147     0.074    -22.65      22.65     -10.79     -12.94
  148     0.085    -21.37      21.37      -9.51     -11.66
  149     0.098    -20.18      20.18      -8.32     -10.47
  150     0.111    -19.13      19.13      -7.27      -9.42
  151     0.121    -18.32      18.32      -6.46      -8.61
  152     0.128    -17.84      17.84      -5.98      -8.13
  153     0.136    -17.35      17.35      -5.49      -7.64
  154     0.144    -16.85      16.85      -4.99      -7.14
  155     0.152    -16.36      16.36      -4.50      -6.65
  156     0.161    -15.88      15.88      -4.02      -6.17
  157     0.166    -15.61      15.61      -3.75      -5.90
  158     0.170    -15.38      15.38      -3.52      -5.67
  159     0.177    -15.06      15.06      -3.20      -5.35
  160     0.185    -14.66      14.66      -2.80      -4.95
  161     0.195    -14.20      14.20      -2.34      -4.49
  162     0.206    -13.74      13.74      -1.88      -4.03
  163     0.211    -13.53      13.53      -1.67      -3.82
  164     0.217    -13.29      13.29      -1.43      -3.58
  165     0.223    -13.04      13.04      -1.18      -3.33
  166     0.230    -12.78      12.78      -0.92      -3.07
  167     0.237    -12.52      12.52      -0.66      -2.81
  168     0.241    -12.35      12.35      -0.49      -2.64
  169     0.242    -12.32      12.32      -0.46      -2.61
  170     0.243    -12.28      12.28      -0.42      -2.57
  171     0.245    -12.23      12.23      -0.37      -2.52
  172     0.247    -12.15      12.15      -0.29      -2.44
  173     0.249    -12.06      12.06      -0.20      -2.35
  174     0.248    -12.10      12.10      -0.24      -2.39
  175     0.245    -12.20      12.20      -0.34      -2.49
  176     0.242    -12.31      12.31      -0.45      -2.60
  177     0.240    -12.41      12.41      -0.55      -2.70
  178     0.237    -12.52      12.52      -0.66      -2.81
  179     0.234    -12.63      12.63      -0.77      -2.92
  180     0.228    -12.83      12.83      -0.97      -3.12
  181     0.222    -13.06      13.06      -1.20      -3.35
  182     0.216    -13.32      13.32      -1.46      -3.61
  183     0.209    -13.59      13.59      -1.73      -3.88
  184     0.202    -13.88      13.88      -2.02      -4.17
  185     0.196    -14.17      14.17      -2.31      -4.46
  186     0.189    -14.48      14.48      -2.62      -4.77
  187     0.182    -14.82      14.82      -2.96      -5.11
  188     0.174    -15.17      15.17      -3.31      -5.46
  189     0.167    -15.52      15.52      -3.66      -5.81
  190     0.161    -15.87      15.87      -4.01      -6.16
  191     0.157    -16.08      16.08      -4.22      -6.37
  192     0.154    -16.24      16.24      -4.38      -6.53
  193     0.152    -16.36      16.36      -4.50      -6.65
  194     0.150    -16.45      16.45      -4.59      -6.74
  195     0.150    -16.50      16.50      -4.64      -6.79
  196     0.150    -16.49      16.49      -4.63      -6.78
  197     0.152    -16.36      16.36      -4.50      -6.65
  198     0.155    -16.21      16.21      -4.35      -6.50
  199     0.158    -16.03      16.03      -4.17      -6.32
  200     0.162    -15.83      15.83      -3.97      -6.12
  201     0.165    -15.63      15.63      -3.77      -5.92
  202     0.169    -15.43      15.43      -3.57      -5.72
  203     0.173    -15.23      15.23      -3.37      -5.52
  204     0.177    -15.03      15.03      -3.17      -5.32
  205     0.181    -14.83      14.83      -2.97      -5.12
  206     0.186    -14.63      14.63      -2.77      -4.92
  207     0.189    -14.45      14.45      -2.59      -4.74
  208     0.193    -14.31      14.31      -2.45      -4.60
  209     0.195    -14.18      14.18      -2.32      -4.47
  210     0.198    -14.07      14.07      -2.21      -4.36
  211     0.200    -13.96      13.96      -2.10      -4.25
  212     0.202    -13.88      13.88      -2.02      -4.17
  213     0.203    -13.83      13.83      -1.97      -4.12
  214     0.203    -13.83      13.83      -1.97      -4.12
  215     0.203    -13.85      13.85      -1.99      -4.14
  216     0.202    -13.89      13.89      -2.03      -4.18
  217     0.201    -13.94      13.94      -2.08      -4.23
  218     0.199    -14.03      14.03      -2.17      -4.32
  219     0.195    -14.18      14.18      -2.32      -4.47
  220     0.191    -14.38      14.38      -2.52      -4.67
  221     0.186    -14.61      14.61      -2.75      -4.90
  222     0.181    -14.86      14.86      -3.00      -5.15
  223     0.175    -15.15      15.15      -3.29      -5.44
  224     0.169    -15.46      15.46      -3.60      -5.75
  225     0.162    -15.81      15.81      -3.95      -6.10
  226     0.155    -16.20      16.20      -4.34      -6.49
  227     0.148    -16.62      16.62      -4.76      -6.91
  228     0.140    -17.08      17.08      -5.22      -7.37
  229     0.132    -17.57      17.57      -5.71      -7.86
  230     0.125    -18.08      18.08      -6.22      -8.37
  231     0.117    -18.64      18.64      -6.78      -8.93
  232     0.109    -19.22      19.22      -7.36      -9.51
  233     0.102    -19.84      19.84      -7.98     -10.13
  234     0.095    -20.46      20.46      -8.60     -10.75
  235     0.088    -21.10      21.10      -9.24     -11.39
  236     0.082    -21.74      21.74      -9.88     -12.03
  237     0.076    -22.36      22.36     -10.50     -12.65
  238     0.071    -22.92      22.92     -11.06     -13.21
  239     0.068    -23.37      23.37     -11.51     -13.66
  240     0.066    -23.66      23.66     -11.80     -13.95
  241     0.065    -23.76      23.76     -11.90     -14.05
  242     0.065    -23.68      23.68     -11.82     -13.97
  243     0.068    -23.40      23.40     -11.54     -13.69
  244     0.071    -22.98      22.98     -11.12     -13.27
  245     0.075    -22.45      22.45     -10.59     -12.74
  246     0.081    -21.85      21.85      -9.99     -12.14
  247     0.087    -21.24      21.24      -9.38     -11.53
  248     0.093    -20.64      20.64      -8.78     -10.93
  249     0.099    -20.05      20.05      -8.19     -10.34
  250     0.106    -19.49      19.49      -7.63      -9.78
  251     0.113    -18.95      18.95      -7.09      -9.24
  252     0.119    -18.46      18.46      -6.60      -8.75
  253     0.126    -17.99      17.99      -6.13      -8.28
  254     0.132    -17.56      17.56      -5.70      -7.85
  255     0.139    -17.17      17.17      -5.31      -7.46
  256     0.144    -16.81      16.81      -4.95      -7.10
  257     0.150    -16.49      16.49      -4.63      -6.78
  258     0.155    -16.21      16.21      -4.35      -6.50
  259     0.159    -15.96      15.96      -4.10      -6.25
  260     0.163    -15.74      15.74      -3.88      -6.03
  261     0.167    -15.56      15.56      -3.70      -5.85
  262     0.170    -15.40      15.40      -3.54      -5.69
  263     0.172    -15.28      15.28      -3.42      -5.57
  264     0.174    -15.19      15.19      -3.33      -5.48
  265     0.175    -15.12      15.12      -3.26      -5.41
  266     0.176    -15.08      15.08      -3.22      -5.37
  267     0.176    -15.07      15.07      -3.21      -5.36
  268     0.176    -15.07      15.07      -3.21      -5.36
  269     0.176    -15.10      15.10      -3.24      -5.39
  270     0.175    -15.13      15.13      -3.27      -5.42
  271     0.174    -15.19      15.19      -3.33      -5.48
  272     0.172    -15.27      15.27      -3.41      -5.56
  273     0.170    -15.37      15.37      -3.51      -5.66
  274     0.168    -15.51      15.51      -3.65      -5.80
  275     0.164    -15.69      15.69      -3.83      -5.98
  276     0.160    -15.92      15.92      -4.06      -6.21
  277     0.155    -16.18      16.18      -4.32      -6.47
  278     0.150    -16.47      16.47      -4.61      -6.76
  279     0.145    -16.79      16.79      -4.93      -7.08
  280     0.139    -17.14      17.14      -5.28      -7.43
  281     0.133    -17.51      17.51      -5.65      -7.80
  282     0.127    -17.91      17.91      -6.05      -8.20
  283     0.121    -18.32      18.32      -6.46      -8.61
  284     0.115    -18.76      18.76      -6.90      -9.05
  285     0.109    -19.22      19.22      -7.36      -9.51
  286     0.103    -19.71      19.71      -7.85     -10.00
  287     0.097    -20.22      20.22      -8.36     -10.51
  288     0.092    -20.72      20.72      -8.86     -11.01
  289     0.087    -21.20      21.20      -9.34     -11.49
  290     0.083    -21.63      21.63      -9.77     -11.92
  291     0.080    -21.99      21.99     -10.13     -12.28
  292     0.077    -22.31      22.31     -10.45     -12.60
  293     0.075    -22.53      22.53     -10.67     -12.82
  294     0.074    -22.58      22.58     -10.72     -12.87
  295     0.075    -22.45      22.45     -10.59     -12.74
  296     0.078    -22.18      22.18     -10.32     -12.47
  297     0.081    -21.79      21.79      -9.93     -12.08
  298     0.085    -21.41      21.41      -9.55     -11.70
  299     0.090    -20.94      20.94      -9.08     -11.23
  300     0.095    -20.43      20.43      -8.57     -10.72
  301     0.101    -19.88      19.88      -8.02     -10.17
  302     0.108    -19.34      19.34      -7.48      -9.63
  303     0.115    -18.81      18.81      -6.95      -9.10
  304     0.121    -18.31      18.31      -6.45      -8.60
  305     0.129    -17.82      17.82      -5.96      -8.11
  306     0.136    -17.36      17.36      -5.50      -7.65
  307     0.142    -16.93      16.93      -5.07      -7.22
  308     0.149    -16.54      16.54      -4.68      -6.83
  309     0.154    -16.25      16.25      -4.39      -6.54
  310     0.159    -15.98      15.98      -4.12      -6.27
  311     0.163    -15.74      15.74      -3.88      -6.03
  312     0.168    -15.50      15.50      -3.64      -5.79
  313     0.172    -15.28      15.28      -3.42      -5.57
  314     0.176    -15.09      15.09      -3.23      -5.38
  315     0.178    -15.00      15.00      -3.14      -5.29
  316     0.179    -14.92      14.92      -3.06      -5.21
  317     0.181    -14.85      14.85      -2.99      -5.14
  318     0.182    -14.78      14.78      -2.92      -5.07
  319     0.183    -14.73      14.73      -2.87      -5.02
  320     0.183    -14.74      14.74      -2.88      -5.03
  321     0.182    -14.79      14.79      -2.93      -5.08
  322     0.181    -14.85      14.85      -2.99      -5.14
  323     0.180    -14.90      14.90      -3.04      -5.19
  324     0.179    -14.95      14.95      -3.09      -5.24
  325     0.178    -14.99      14.99      -3.13      -5.28
  326     0.176    -15.10      15.10      -3.24      -5.39
  327     0.173    -15.23      15.23      -3.37      -5.52
  328     0.171    -15.36      15.36      -3.50      -5.65
  329     0.168    -15.48      15.48      -3.62      -5.77
  330     0.166    -15.60      15.60      -3.74      -5.89
  331     0.163    -15.75      15.75      -3.89      -6.04
  332     0.159    -15.98      15.98      -4.12      -6.27
  333     0.154    -16.23      16.23      -4.37      -6.52
  334     0.150    -16.48      16.48      -4.62      -6.77
  335     0.146    -16.74      16.74      -4.88      -7.03
  336     0.141    -17.00      17.00      -5.14      -7.29
  337     0.137    -17.24      17.24      -5.38      -7.53
  338     0.134    -17.48      17.48      -5.62      -7.77
  339     0.130    -17.73      17.73      -5.87      -8.02
  340     0.126    -17.97      17.97      -6.11      -8.26
  341     0.123    -18.18      18.18      -6.32      -8.47
  342     0.121    -18.36      18.36      -6.50      -8.65
  343     0.121    -18.33      18.33      -6.47      -8.62
  344     0.122    -18.25      18.25      -6.39      -8.54
  345     0.124    -18.12      18.12      -6.26      -8.41
  346     0.126    -17.97      17.97      -6.11      -8.26
  347     0.129    -17.78      17.78      -5.92      -8.07
  348     0.133    -17.51      17.51      -5.65      -7.80
  349     0.139    -17.13      17.13      -5.27      -7.42
  350     0.145    -16.75      16.75      -4.89      -7.04
  351     0.152    -16.38      16.38      -4.52      -6.67
  352     0.158    -16.01      16.01      -4.15      -6.30
  353     0.165    -15.67      15.67      -3.81      -5.96
  354     0.171    -15.35      15.35      -3.49      -5.64
  355     0.177    -15.04      15.04      -3.18      -5.33
  356     0.183    -14.74      14.74      -2.88      -5.03
  357     0.190    -14.43      14.43      -2.57      -4.72
  358     0.198    -14.08      14.08      -2.22      -4.37
  359     0.207    -13.66      13.66      -1.80      -3.95
