 

 PAGE   1

                      PARAMETERS FOR ITS PROPAGATION MODEL APR 77 
                     POWER DENSITY FOR VOR                             
                               REQUIRED OR FIXED
                               ----------------- 
              AIRCRAFT (OR HIGHER) ANTENNA ALTITUDE:  30000. FT ABOVE MSL
              FACILITY (OR LOWER) ANTENNA HEIGHT:     16.0 FT ABOVE SITE SURFACE
              FREQUENCY:  113. MHZ

                            SPECIFICATION OPTIONAL
                            ----------------------
              AIRCRAFT ANTENNA TYPE: 
                                       ISOTROPIC
                   POLARIZATION: HORIZONTAL
              EFFECTIVE REFLECTION SURFACE ELEVATION ABOVE MSL:     0. FT
              EQUIVALENT ISOTROPICALLY RADIATED POWER:   22.2
              FACILITY ANTENNA TYPE: 
                                       4-LOOP ARRAY (COSINE VERTICAL PATTERN)
                   POLARIZATION: HORIZONTAL
                   COUNTERPOISE DIAMETER:  52. FT
                        HEIGHT:  12. FT ABOVE SITE SURFACE 
                        SURFACE: METALLIC      
              HORIZON OBSTACLE DISTANCE:   4.91 N MI FROM FACILITY* 
                   ELEVATION ANGLE:   -0/ 3/41 DEG/MIN/SEC ABOVE HORIZONTAL* 
                   HEIGHT:    0. FT ABOVE MSL  
              REFRACTIVITY:
                   EFFECTIVE EARTH RADIUS: 4586. N MI'
                   MINIMUM MONTHLY MEAN: 301. N-UNITS AT SEA LEVEL
              SURFACE REFLECTION LOBING:  CONTRIBUTES TO VARIABILITY
              SURFACE TYPE:  AVERAGE GROUND
              TERRAIN ELEVATION AT SITE:    0. FT ABOVE MSL
              TERRAIN PARAMETER:   0. FT
              TIME AVAILABILITY:  FOR INSTANTANEOUS LEVELS EXCEEDED


              POWER DENSITY (DB-W/SQ M) VALUES MAY BE CONVERTED TO POWER
                   AVAILABLE AT THE TERMINALS OF A PROPERLY POLARIZED
                   ISOTROPIC ANTENNA (DBW) BY ADDING   -2.5 DB-SQ M.

              * COMPUTED VALUE
 

 PAGE   2

                      PARAMETERS FOR ITS PROPAGATION MODEL APR 77 
                     POWER DENSITY FOR VOR                             

                   INPUT                     WORKING VALUE
            H(A)   30000. FT MSL               9.1440 KM MSL
           D(HE)    1105. FT      .3368 KM* 
           HRE=   9.1440-   .3368-   .0000 =   8.8072 KM
            H(F)     16.0 FT MSL                .0049 KM MSL
           D(HE)       0. FT      .0000 KM* 
           HTE=    .0049-   .0000-   .0000 =    .0049 KM
           FREQUENCY 113. MHZ                113.  MHZ 
            A(O)   .00024 DB/KM                .00024 DB/KM* 
            A(W)   .00000 DB/KM                .00000 DB/KM* 
           EIRP      22.2 DBW           P CON    24.7  DBW 
           F ANT        4
           F ANT        1
            D(C)      52. FT                    .0158 KM
            H(C)     12.0 FT ABOVE SURFACE      .0037 KM
           COUNTERPOISE 7           METALLIC      
           H(FR)     16.0 FT ABOVE REFLECTION   .0049 KM
           POLARIZATION 1           HORIZONTAL
         * D(HO)     4.91 N MI FROM HORIZON      9.10 KM
         * E(HO)  -0/ 3/41 DEG/MIN/SEC       -.00107 RADIANS
           H(HO)       0.   FT MSL                .0000 KM
            N(O)     301. N-UNITS       N(S)     301. N-UNITS
           EARTH    4586. N MI                  8493. KM
           H(SUR)      0. FT MSL                .0000 KM
           DH(SUR)     0. FT                    .0000 KM
           TERRAIN      3           AVERAGE GROUND
           SURFACE REFLECTION LOBING:  CONTRIBUTES TO VARIABILITY

           POWER DENSITY INTO POWER AVAILABLE ADD       -2.5

              TIME AVAILABILITY:  FOR INSTANTANEOUS LEVELS EXCEEDED



              * COMPUTED VALUE


 

 PAGE   3

    GHBAR= -21.6HB=     .0322 K=  .0010 B= 1.6060
    GHBAR=    .0HB=   58.0982 K=  .0010 B= 1.6060
       AR3    AR4     D3     D4      W     AMD     AED
       45.8   83.5  438.9  525.0  1.0000    .438-146.323
  HTE    HRE     D     DLT    DLR  ENS  ERTH FREK LAMDA     TET     TER
  .005  8.807 395.88   9.10 386.78 301. 8493. 113.   .003 -.00107 -.04933
 HFS    HRS     DH    AED    SLP   DLST   DLSR            DD NM  LBF     AT     D0         WRH
  .005  8.807   .000 -146.3     .4   9.10 386.78       213.8  125.5   26.9  334.3   .20274E-02
    HORIZON POW=  -26.9 AWD= -146.32 SLOPE=     .44

D N MI FREE SPACE 50%    5%    95%    90%    99%   99.9% 99.99%  .01%   .1%     1%    10%  CA DEG   PL   AA   AY     K    DEE
         D ZERO= 334.347
   1.00  -82.2  -82.2  -81.7  -82.7  -82.6  -83.0  -83.3  -83.5  -81.1  -81.3  -81.5  -81.8     .0    .0   .0   .0 -26.3    .5
   1.95  -77.2  -77.2  -76.7  -77.8  -77.7  -78.1  -78.4  -78.6  -76.0  -76.2  -76.4  -76.8     .0    .0   .0   .0 -24.9   1.0
   2.81  -75.2  -75.2  -74.6  -76.0  -75.8  -76.3  -76.7  -77.0  -73.8  -74.0  -74.3  -74.7     .0    .0   .0   .0 -23.5   1.4
   3.22  -74.7  -74.7  -74.0  -75.5  -75.3  -75.8  -76.3  -76.6  -73.1  -73.4  -73.7  -74.1     .1    .0   .0   .0 -22.8   1.7
   3.82  -74.2  -71.2  -70.4  -72.1  -71.9  -72.5  -73.0  -73.4  -69.5  -69.7  -70.1  -70.6     .1   3.0   .0   .0 -21.8   2.0
   4.91  -73.9  -70.9  -70.1  -71.9  -71.7  -72.3  -72.8  -73.3  -69.1  -69.4  -69.7  -70.2     .1   5.2   .0  2.2 -21.1   2.5
   5.45  -74.0  -71.0  -70.1  -71.9  -71.7  -72.3  -72.8  -73.3  -69.2  -69.5  -69.8  -70.3     .1   6.0   .0  3.0 -21.4   2.8
   6.06  -74.1  -71.1  -70.3  -72.1  -71.8  -72.5  -73.0  -73.4  -69.3  -69.6  -69.9  -70.5     .1   6.5   .0  3.5 -21.3   3.1
   6.31  -74.2  -71.2  -70.3  -72.2  -71.9  -72.6  -73.1  -73.5  -69.4  -69.7  -70.0  -70.5     .1   6.6   .0  3.6 -21.2   3.2
   6.76  -74.4  -71.4  -70.5  -72.4  -72.1  -72.8  -73.4  -73.8  -69.5  -69.8  -70.1  -70.7     .1   6.7   .0  3.7 -20.7   3.5
   7.57  -74.7  -71.7  -70.7  -72.9  -72.6  -73.4  -74.1  -74.6  -69.6  -69.9  -70.3  -70.9     .1   6.5   .0  3.5 -19.4   3.9
   8.37  -75.1  -72.1  -70.9  -73.5  -73.2  -74.2  -75.0  -75.7  -69.6  -70.0  -70.4  -71.2     .1   6.1   .0  3.1 -17.7   4.3
   8.52  -75.2  -72.2  -70.9  -73.7  -73.3  -74.4  -75.2  -76.0  -69.6  -70.0  -70.5  -71.2     .1   6.0   .0  3.0 -17.4   4.4
  13.41  -77.8  -75.3  -73.0  -78.5  -77.7  -80.2  -82.7  -85.4  -70.8  -71.4  -72.2  -73.5     .2   2.4   .0   .0 -11.5   6.9
  14.13  -78.1  -76.1  -73.7  -79.5  -78.6  -81.3  -84.0  -87.0  -71.4  -72.1  -72.9  -74.2     .2   2.0   .0   .0 -11.1   7.3
  17.83  -79.8  -79.6  -76.8  -83.7  -82.6  -86.1  -90.1  -95.0  -74.2  -74.9  -75.9  -77.3     .3    .2   .0   .0  -9.5   9.2
  18.90  -80.2  -80.4  -77.5  -84.7  -83.6  -87.4  -91.7  -97.3  -74.9  -75.6  -76.6  -78.1     .3   -.2   .0   .0  -9.1   9.7
  23.84  -82.0  -83.4  -80.2  -88.5  -87.1  -91.8  -97.7 -105.7  -77.3  -78.1  -79.2  -80.8     .4  -1.4   .0   .0  -7.8  12.3
  29.66  -83.8  -85.9  -82.4  -91.7  -90.1  -95.8 -103.1 -112.0  -79.4  -80.2  -81.3  -83.1     .5  -2.1   .0   .0  -6.8  15.3
  33.72  -84.9  -87.3  -83.6  -93.4  -91.7  -97.9 -105.9 -115.3  -80.5  -81.3  -82.4  -84.3     .6  -2.4   .0   .0  -6.3  17.3
  34.92  -85.2  -87.6  -83.9  -93.8  -92.1  -98.4 -106.5 -116.0  -80.8  -81.6  -82.8  -84.6     .6  -2.4   .0   .0  -6.2  18.0
  39.81  -86.3  -88.9  -85.4  -94.7  -93.0  -98.7 -105.9 -114.8  -82.4  -83.2  -84.3  -86.1     .7  -2.6   .0   .0  -6.9  20.5
  41.51  -86.6  -89.3  -85.9  -94.7  -93.2  -98.4 -105.0 -113.4  -83.0  -83.8  -84.8  -86.6     .7  -2.6   .0   .0  -7.3  21.3
  44.85  -87.3  -90.0  -87.0  -94.7  -93.4  -97.6 -102.7 -109.5  -84.2  -85.0  -86.0  -87.6     .7  -2.7   .0   .0  -8.5  23.1
  49.28  -88.1  -90.9  -88.3  -94.5  -93.6  -96.6  -99.8 -103.3  -85.9  -86.5  -87.4  -88.8     .8  -2.8   .0   .0 -10.3  25.3
  49.99  -88.2  -91.0  -88.5  -94.5  -93.6  -96.5  -99.5 -102.8  -86.1  -86.8  -87.7  -89.0     .8  -2.8   .0   .0 -10.6  25.7
  54.56  -89.0  -91.8  -89.8  -94.4  -93.8  -95.8  -97.7  -99.6  -87.8  -88.3  -89.1  -90.2     .9  -2.8   .0   .0 -12.8  28.1
  59.69  -89.7  -92.6  -91.0  -94.5  -94.0  -95.4  -96.6  -97.7  -89.4  -89.9  -90.5  -91.4    1.0  -2.9   .0   .0 -15.4  30.7
  63.30  -90.2  -93.1  -91.8  -94.6  -94.3  -95.3  -96.2  -97.0  -90.4  -90.8  -91.3  -92.1    1.1  -2.9   .0   .0 -17.2  32.6
  64.91  -90.4  -93.3  -92.1  -94.7  -94.4  -95.3  -96.1  -96.8  -90.9  -91.2  -91.7  -92.4    1.1  -2.9   .0   .0 -18.0  33.4
  69.94  -91.1  -91.7  -90.8  -92.8  -92.5  -93.3  -93.8  -94.3  -89.8  -90.1  -90.5  -91.0    1.2   -.7   .0   .0 -20.3  36.0
  74.94  -91.7  -92.9  -92.1  -93.8  -93.6  -94.2  -94.6  -95.0  -91.2  -91.5  -91.8  -92.3    1.2  -1.2   .0   .0 -22.1  38.5
  75.73  -91.8  -93.1  -92.3  -93.9  -93.7  -94.3  -94.8  -95.1  -91.4  -91.7  -92.0  -92.5    1.3  -1.3   .0   .0 -22.4  39.0
  79.87  -92.2  -94.0  -93.3  -94.8  -94.6  -95.1  -95.5  -95.8  -92.5  -92.8  -93.1  -93.5    1.3  -1.8   .0   .0 -23.3  41.1
  84.87  -92.8  -95.1  -94.5  -95.8  -95.7  -96.2  -96.5  -96.8  -93.7  -93.9  -94.2  -94.6    1.4  -2.4   .0   .0 -23.8  43.7
  86.66  -92.9  -95.5  -94.9  -96.2  -96.1  -96.6  -96.9  -97.2  -94.1  -94.3  -94.6  -95.0    1.4  -2.6   .0   .0 -23.8  44.6
  89.95  -93.3  -96.2  -95.6  -97.0  -96.8  -97.3  -97.6  -98.0  -94.8  -95.0  -95.3  -95.7    1.5  -3.0   .0   .0 -23.8  46.3
  94.93  -93.7  -97.3  -96.6  -98.0  -97.9  -98.4  -98.7  -99.1  -95.7  -96.0  -96.3  -96.7    1.6  -3.6   .0   .0 -23.7  48.8
  96.23  -93.8  -97.6  -96.8  -98.3  -98.1  -98.6  -99.0  -99.3  -95.9  -96.2  -96.5  -97.0    1.6  -3.7   .0   .0 -23.7  49.5
  99.91  -94.2  -98.3  -97.5  -99.1  -98.9  -99.4  -99.8 -100.2  -96.5  -96.8  -97.2  -97.7    1.7  -4.2   .0   .0 -23.6  51.4
 104.61  -94.6  -99.3  -98.3 -100.1  -99.9 -100.5 -100.9 -101.3  -96.9  -97.3  -97.8  -98.5    1.7  -4.8   .0   .0 -23.5  53.8
 104.98  -94.6  -99.4  -98.3 -100.2 -100.0 -100.6 -101.0 -101.4  -96.9  -97.3  -97.9  -98.6    1.7  -4.8   .0   .0 -23.5  54.0
 109.92  -95.0 -100.3  -98.8 -101.4 -101.2 -101.9 -102.4 -102.9  -96.5  -97.2  -98.1  -99.1    1.8  -5.4   .0   .0 -23.5  56.5
 

 PAGE   4
 111.96  -95.1 -100.7  -98.9 -102.0 -101.7 -102.5 -103.1 -103.6  -96.2  -97.0  -98.0  -99.3    1.9  -5.7   .0   .0 -23.5  57.6
 114.96  -95.4 -101.3  -99.1 -102.7 -102.4 -103.3 -104.0 -104.6  -95.7  -96.7  -98.0  -99.6    1.9  -6.1   .0   .0 -23.4  59.1
 118.44  -95.6 -102.0  -99.4 -103.6 -103.3 -104.3 -105.1 -105.8  -95.4  -96.6  -98.1 -100.0    2.0  -6.6   .0   .0 -23.4  60.9
 119.99  -95.7 -102.3  -99.5 -104.0 -103.6 -104.7 -105.6 -106.2  -95.4  -96.6  -98.2 -100.2    2.0  -6.8   .0   .0 -23.4  61.7
 124.79  -96.1 -103.2 -100.0 -105.2 -104.8 -106.0 -106.9 -107.7  -95.3  -96.7  -98.6 -100.8    2.1  -7.4   .0   .0 -23.3  64.2
 129.80  -96.4 -104.2 -100.7 -106.4 -105.9 -107.3 -108.4 -109.2  -95.3  -96.9  -99.0 -101.5    2.2  -8.1   .0   .0 -23.3  66.8
 134.95  -96.8 -105.3 -101.3 -107.7 -107.2 -108.7 -109.8 -110.8  -95.4  -97.2  -99.5 -102.3    2.2  -8.9   .0   .0 -23.2  69.4
 139.89  -97.1 -106.3 -102.0 -108.9 -108.4 -110.0 -111.2 -112.3  -95.5  -97.5 -100.0 -103.1    2.3  -9.6   .0   .0 -23.2  72.0
 144.99  -97.4 -107.4 -102.7 -110.2 -109.6 -111.4 -112.8 -113.9  -95.7  -97.8 -100.6 -103.9    2.4 -10.4   .0   .0 -23.1  74.6
 146.96  -97.5 -107.8 -103.0 -110.8 -110.1 -112.0 -113.3 -114.5  -95.8  -98.0 -100.8 -104.2    2.4 -10.8   .0   .0 -23.1  75.6
 149.87  -97.7 -108.5 -103.5 -111.5 -110.9 -112.8 -114.2 -115.4  -95.9  -98.2 -101.1 -104.7    2.5 -11.3   .0   .0 -23.1  77.1
 154.82  -98.0 -109.6 -104.3 -112.9 -112.2 -114.3 -115.8 -117.1  -96.2  -98.6 -101.7 -105.6    2.6 -12.2   .0   .0 -23.1  79.6
 159.98  -98.2 -110.9 -105.1 -114.4 -113.6 -115.8 -117.5 -118.8  -96.5  -99.1 -102.4 -106.5    2.7 -13.2   .0   .0 -23.0  82.3
 164.86  -98.5 -112.1 -106.0 -115.9 -115.0 -117.4 -119.2 -120.6  -96.8  -99.6 -103.1 -107.5    2.7 -14.2   .0   .0 -23.0  84.8
 169.89  -98.8 -113.5 -107.0 -117.5 -116.6 -119.1 -121.0 -122.5  -97.2 -100.2 -104.0 -108.6    2.8 -15.4   .0   .0 -23.0  87.4
 174.98  -99.0 -115.0 -108.2 -119.3 -118.3 -121.0 -123.0 -124.6  -97.8 -100.9 -104.9 -109.8    2.9 -16.7   .0   .0 -23.0  90.0
 180.00  -99.3 -116.7 -109.4 -121.2 -120.2 -123.0 -125.1 -126.8  -98.5 -101.8 -106.0 -111.2    3.0 -18.2   .0   .0 -23.0  92.6
 180.52  -99.3 -116.9 -109.6 -121.4 -120.4 -123.3 -125.4 -127.1  -98.6 -101.9 -106.2 -111.4    3.0 -18.3   .0   .0 -23.0  92.9
 184.99  -99.5 -118.2 -110.6 -122.9 -121.9 -124.9 -127.1 -128.9  -99.1 -102.5 -107.0 -112.4    3.1 -19.5   .0   .0 -23.0  95.2
 190.00  -99.7 -119.7 -111.7 -124.7 -123.6 -126.7 -129.1 -131.0  -99.6 -103.2 -107.9 -113.6    3.2 -20.8   .0   .0 -23.1  97.7
 194.99 -100.0 -121.1 -112.8 -126.4 -125.2 -128.6 -131.0 -133.0 -100.1 -103.9 -108.8 -114.8    3.2 -22.1   .1   .0 -23.2 100.3
 199.29 -100.1 -122.4 -113.7 -127.9 -126.6 -130.1 -132.7 -134.8 -100.6 -104.5 -109.6 -115.8    3.3 -23.2   .1   .0 -23.5 102.5
 203.56 -100.3 -123.6 -114.6 -129.4 -128.1 -131.7 -134.4 -136.6 -101.0 -105.1 -110.4 -116.8    3.4 -24.3   .1   .0 -21.6 104.7
 208.60 -100.5 -125.1 -115.6 -131.2 -129.8 -133.7 -136.6 -138.9 -101.4 -105.6 -111.2 -117.9    3.5 -25.6   .1   .0 -18.8 107.3
 210.01 -100.6 -125.5 -115.9 -131.7 -130.3 -134.3 -137.2 -139.6 -101.4 -105.7 -111.4 -118.2    3.5 -26.0   .1   .0 -18.0 108.0
 213.76 -100.8 -126.5 -116.7 -133.0 -131.5 -135.6 -138.6 -141.1 -101.8 -106.3 -112.1 -119.1    3.6 -26.9   .1   .0 -18.0 DIFR
 216.00 -100.8 -128.4 -118.4 -135.0 -133.5 -137.7 -140.7 -143.3 -103.3 -107.8 -113.7 -120.9    3.6 -28.7   .1   .0 -18.0 DIFR
 217.00 -100.9 -129.3 -119.2 -135.8 -134.4 -138.6 -141.7 -144.2 -104.0 -108.5 -114.4 -121.6    3.6 -29.6   .1   .0 -18.0 DIFR
 218.00 -100.9 -130.1 -119.9 -136.7 -135.3 -139.5 -142.6 -145.2 -104.7 -109.2 -115.2 -122.4    3.6 -30.4   .1   .0 -18.0 DIFR
 219.00 -101.0 -130.9 -120.7 -137.6 -136.1 -140.4 -143.5 -146.1 -105.3 -109.9 -115.9 -123.2    3.6 -31.2   .1   .0 -18.0 DIFR
 224.00 -101.2 -135.1 -124.6 -142.1 -140.5 -144.9 -148.2 -150.9 -108.7 -113.4 -119.6 -127.2    3.7 -35.2   .1   .0 -18.0 DIFR
 229.00 -101.4 -139.3 -128.4 -146.5 -144.9 -149.5 -152.8 -155.6 -112.0 -117.0 -123.3 -131.1    3.8 -39.3   .1   .0 -18.0 DIFR
 234.00 -101.5 -143.5 -132.3 -150.9 -149.3 -154.1 -157.6 -160.5 -115.4 -120.5 -127.0 -135.0    3.9 -43.3   .1   .0 -17.1 DIFR
 239.00 -101.7 -147.6 -136.1 -155.4 -153.7 -158.7 -162.4 -165.5 -118.8 -124.0 -130.7 -138.9    4.0 -47.4   .1   .0 -15.5 DIFR
 244.00 -101.9 -151.8 -139.9 -159.9 -158.1 -163.4 -167.3 -170.6 -122.2 -127.5 -134.4 -142.8    4.1 -51.4   .1   .0 -14.0 DIFR
 250.00 -102.1 -153.5 -141.0 -163.6 -161.2 -169.0 -177.1 -186.3 -122.6 -128.1 -135.2 -144.0    4.2 -53.1   .1   .0  -6.5 SCAT
 260.00 -102.5 -154.7 -140.6 -167.4 -164.2 -174.6 -185.1 -195.3 -120.2 -126.3 -134.2 -144.0    4.3 -54.3   .1   .0  -3.4 SCAT
 270.00 -102.8 -155.5 -140.2 -170.3 -166.6 -178.4 -189.3 -199.8 -118.4 -124.9 -133.4 -143.9    4.5 -55.3   .1   .0   -.2 SCAT
 280.00 -103.1 -156.2 -140.7 -171.8 -168.0 -180.1 -191.1 -201.8 -118.5 -125.2 -133.8 -144.4    4.7 -56.2   .1   .0   3.0 SCAT
 290.00 -103.4 -157.0 -141.8 -172.6 -168.7 -180.9 -191.9 -202.5 -120.3 -126.8 -135.1 -145.4    4.8 -57.1   .1   .0   6.2 SCAT
 300.00 -103.7 -157.8 -143.3 -173.2 -169.4 -181.4 -192.3 -202.9 -122.8 -129.1 -136.9 -146.7    5.0 -57.9   .1   .0   9.4 SCAT
 310.00 -104.0 -158.8 -145.0 -173.7 -170.0 -181.8 -192.7 -203.2 -125.6 -131.5 -138.9 -148.2    5.2 -58.6   .1   .0  12.7 SCAT
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  PROGRAM IS FINISHED. 
Stop - Program terminated.