Salt Lake City Frequency Coordination Report

0075-EX-PL-2001 Text Documents

OnSat Network Communications, Inc.

2001-04-05ELS_45509

             2002 Edmund Halley Drive

             Reston, VA 20191 USA

                (703) 620—6300

          Fax (703) 476—2720

http:iiwww.comsearch.com         COMSEARCH®




         January 25, 2001




         Mr. Sidney Skjei
         Skjei Telecom
         7777 Leesburg Pike, Suite 315N
         Falls Church, Va. 22043—2403




         Re: Bonneville Holding Company
             Coordination Final Reports
             Salt Lake City, UT (3.8 meter)
                 C—Band Transmit/Receive Earth Station



         Dear Mr. Skjei:

         Enclosed please find the Final Report for the proposed Bonneville Holding Company C—band
         transmit/receive earth station site referenced above.

         If you should have any questions, please call.

         Sincerely,

         COMSEARCH




         Pulneet K. SekKon
         Engineer
         Microwave and Satellite Services

         Enclosure


                                          EXHIBIT A
                                          Page 1 of 14




FREQUENCY COORDINATION AND INTERFERENCE
            ANALYSIS REPORT




             PREPARED FOR
      BONNEVILLE HOLDING COMPANY
           SALT LAKE CY, UT
       SATELLITE EARTH STATION




              PREPARED BY
               COMSEARCH
        2002 EDMUND HALLEY DRIVE
         RESTON, VIRGINIA 20191
            January 24,   2001


                                                EXHIBIT A
                                                Page 2 of 14




    TABLE OF CONTENTS




CONCLUSIONS

SUMMARY OF RESULTS

SUPPLEMENTAL SHOWING,   RE:   PART 25.203 (C)

EARTH STATION COORDINATION DATA

CERTIFICATION


                                                                       EXHIBIT A
                                                                       Page   3   of   14




1.   CONCLUSIONS




     AN INTERFERENCE STUDY CONSIDERING             ALL     EXISTING,     PROPOSED

     AND     PRIOR   COORDINATED       MICROWAVE        FACILITIES     WITHIN THE

      COORDINATION CONTOURS       OF     THE    PROPOSED       EARTH      STATION

     DEMONSTRATES     THAT     THIS     SITE   WILL OPERATE SATISFACTORILY

     wWITH THE COMMON CARRIER          MICROWAVE    ENVIRONMENT .        FURTHER ,

     THERE   WILL    BE   NO    RESTRICTIONS       OF     ITS OPERATION DUE TO

      INTERFERENCE CONSIDERATIONS.


                                                                                    EXHIBIT A
                                                                                    Page 4 of 14




2.   SUMMARY OF RESULTS




     A NUMBER OF GREAT CIRCLE           INTERFERENCE CASES WERE                     IDENTIFIED

     DURING THE       INTERFERENCE           STUDY     OF      THE         PROPOSED        EARTH

      STATION.      EACH OF THE CASES WHICH EXCEEDED THE                        INTERFERENCE

     OBJECTIVE ON      _A    LINE—OF—SIGHT            BASIS         WAS PROFILED AND THE

      PROPAGATION LOSSES        ESTIMATED            USING         NBS     TN1OLl    (REVISED)

      TECHNIQUES.     THE     LOSSES        WERE      —FOUND        TO     BE SUFPFICIENT TO

     REDUCE THE SIGNAL LEVELS TO ACCEPTABLE                          MAGNITUDES       IN EVERY

      CASE .



      THE FOLLOWING COMPANIES           REPORTED            POTENTIAL         GREAT        CIRCLE

      INTERFERENCE CONFLICTS WHICH DID NOT MEET THE OBJECTIVES ON

     A LINE—OF—SIGHT         BASIS.         wWHEN     OVER—THE—HORIZON LOSSES ARE

      CONSIDERED ON THE       INTERFERING            PATHS,         SUFFICIENT           BLOCKAGE

     EXISTS TO      NEGATE    HARMFUL INTERFERENCE FROM OCCURRING WITH

      THE PROPOSED TRANSMIT           AND     RECEIVE              EARTH    STATION.




                              COMPANY


                       AT&T WIRELESS SERVICES                  —    SALT LAKE,      UT


     NO OTHER CARRIERS REPORTED POTENTIAL INTERFERENCE CASES.


                                                            EXHIBIT A
                                                            Page 5 of 14




3.   SUPPLEMENTAL SHOWING
     RE: PART 25.203 (C)




      PURSUANT TO PART 25.203(C)   OF THE FCC RULES AND REGULATIONS,

      THE SATELLITE EARTH STATION PROPOSED   IN THIS APPLICATION

      wWAS COORDINATED BY COMSEARCH USING COMPUTER TECHNIQUES

     AND IN ACCORDANCE WITH PART 25 OF THE FCC RULES AND

      REGULATIONS .


      COORDINATION DATA FOR THIS EARTH STATION WAS SENT TO THE

      BELOW LISTED CARRIERS WITH A LETTER DATED JANUARY 5,      2001.


                 ALL WEST COMMUNICATIONS, INC.
                 AMOCO PRODUCTION COMPANY
                 AT&T COMMUNICATIONS
                 AT&T COMMUNICATIONS OF MOUNTAIN STATES
                 AT&T WIRELESS SERVICES — PROVO, UT
                 AT&T WIRELESS SERVICES — SALT LAKE, UT
                 CITIZENS TELECOMMUNICATIONS CO OF UTAH
                 CORBAN COMMUNICATIONS INC.
                 DESERET GENERATION & TRANSMISSION COOP
                 IHC HOSPITALS, INC.
                 LEGACY WORLDCOM
                 METRO NETWORKS COMMUNICATIONS INC
                 NEXTEL LICENSE HOLDINGS 4 INC
                 PACIFICORP
                 PILOT BUTTE TRANSMISSION CO., INC.
                 QUESTAR INFOCOMM, INC.
                 QwWEST COMMUNICATIONS INTERNATIONAL INC.
                 SPECIALTY ANTENNA SITE RESOURCES, INC.
                 UTAH COMMUNICATIONS AGENCY
                 UTAH STATE HIGHWAY PATROL
                 UTAH STATE ITS/UTAH EDUCATION NETWORK
                 VOICESTREAM PCS II LICENSE CORPORATION
                 WASATCH UTAH RSA NO. 2 LTD PARTNERSHIP


                                                       EXHIBIT A
                                                       Page 6 of 14




4.   EARTH STATION COORDINATION DATA




      THIS SECTION PRESENTS THE DATA PERTINENT TO FREQUENCY

      COORDINATION OF THE PROPOSED EARTH STATION WHICH WAS

      CIRCULATED TO ALL COMMON CARRIERS WITHIN ITS COOR—

      DINATION CONTOURS.


                                                                     EXHIBIT A
                                                                     Page 7 of 14

                             SATELLITE EARTH STATION
                           FREQUENCY COORDINATION DATA


Company                    BONNEVILLE HOLDING COMPANY
Owner code                                       S01150
Earth Station Name, State                        SALT LAKE CY, UT
Call Sign                                        SALT LAK
Latitude (DMS) (NAD83)                           40 46 11.8 N
Longitude (DMS) (NAD83)                         111 54 5.8 W
Ground Elevation AMSL (Ft/m)                     4255.13 / 1296.90
Antenna Centerline AGL (Ft/m)                      45.02 /    13.72

Receive Antenna Type:         FCC32                 VERTEX 3.8 METER

            4.0 GHz Gain (dBi) / Diameter (m)             41.8 /          3.8
              3 dB / 15 dB Half Beamwidth                 1.35 /         2.84

Transmit Antenna Type:         FCC32                 VERTEX 3.8 METER

            6.0 GHz Gain (dBi) / Diameter (m)             45.9 /          3.8
              3 dB / 15 dB Half Beamwidth                 0.87 /         1.83

Operating Mode                                       TRANSMIT AND RECEIVE
Modulation                                               DIGITAL
Emission / Receive Band (MHz)         520KG7D   6M00G7D / 3700.0000 - 3710.0000
                                      520KG7D   6M00G7D / 3940.0000 - 3960.0000
                                      520KG7D   6M00G7D / 4020.0000 - 4040.0000
                                      520KG7D   6M00G7D / 4190.0000 - 4200.0000

Emission / Transmit Band (MHz)     360KG7D      6M00G7D   /       5925.0000   -   5935.0000
                                   360KG7D      6M00G7D   /       6165.0000   -   6185.0000
                                   360KG7D      6M00G7D   /       6245.0000   -   6265.0000
                                   360KG7D      6M00G7D   /       6415.0000   -   6425.0000


Max. Available RF Power (dBW)/4 kHz)                  -20.40
                        (dBW)/MHz)                      3.60

Max. EIRP                (dBW)/4 kHz)                     25.50
                         (dBW)/MHz)                       49.50

Max permissible Interference Power
          4.0 GHz, 20% (dBW/1 MHz)                    -156.0
          4.0 GHz, 0.0100% (dBW/1 MHz)                -146.0
          6.0 GHz, 20% (dBW/4 kHz)                    -154.0
          6.0 GHz, 0.0025% (dBW/4 kHz)                -131.0

Range of Satellite Arc (Geostationary)
             Degrees Longitude                        97.0 W / 101.0 W
Azimuth Range (Min/Max)                                157.8 /   163.6
Corresponding Elevation Angles                          40.4 /    41.5

Radio Climate                                                 A
Rain Zone                                                     5

Max Great Circle Coordination Distance (Mi/Km)
          4.0 GHz                                     184.6 /           297.1
          6.0 GHz                                      75.0 /           120.7

Precipitation Scatter Contour Radius (Mi/Km)
          4.0 GHz                                         62.1 /        100.0
          6.0 GHz                                         62.1 /        100.0


                                                            EXHIBIT A
                                                            Page 8 of 14

                   Table of Earth Station Coordination Values


Earth Station Name      SALT LAKE CY UT
Owner                  BONNEVILLE HOLDING COMPANY
Latitude (DMS) (NAD83) 40 46 11.8 N
Longitude (DMS) (NAD83)111 54 5.8 W
Ground Elevation (Ft/m)     4255.13 / 1296.90 AMSL
Antenna Centerline (Ft/m)     45.02 /    13.72 AGL
Antenna Model             VERTEX 3.8 METER
Objectives: Receive      -156.0 (dBW /1 MHz)
            Transmit     -154.0 (dBW /4 kHz) TX Power     -20.4 (dBW/4 kHz)

Azimuth Horizon    Antenna              4.0 GHz                   6.0 GHz
 (Deg) Elevation    Disc.     Antenna    Coordination   Antenna    Coordination
         Angle      Angle      Gain        Distance      Gain        Distance
         (Deg)      (Deg)      (dBi)         (Km)        (dBi)         (Km)

      0   4.77     138.80     -10.00        136.6       -10.00        100.0
      5   5.56     136.88     -10.00        129.4       -10.00        100.0
     10   6.33     134.50     -10.00        121.5       -10.00        100.0
     15   6.35     131.30     -10.00        121.3       -10.00        100.0
     20   6.89     128.15     -10.00        115.5       -10.00        100.0
     25   6.98     124.56     -10.00        114.5       -10.00        100.0
     30   5.41     120.15     -10.00        130.8       -10.00        100.0
     35   5.03     116.23     -10.00        134.5       -10.00        100.0
     40   4.96     112.35     -10.00        134.1       -10.00        100.0
     45   5.46     108.54     -10.00        130.3       -10.00        100.0
     50   5.44     104.53     -10.00        130.5       -10.00        100.0
     55   5.21     100.45     -10.00        132.7       -10.00        100.0
     60   5.59      96.42     -10.00        129.1       -10.00        100.0
     65   5.06      92.31     -10.00        134.2       -10.00        100.0
     70   5.16      88.23     -10.00        133.2       -10.00        100.0
     75   4.88      84.17     -10.00        135.1       -10.00        100.0
     80   4.90      80.12     -10.00        134.9       -10.00        100.0
     85   3.93      76.28     -10.00        149.3       -10.00        100.0
     90   4.91      72.12     -10.00        134.8       -10.00        100.0
     95   3.77      68.52     -10.00        152.6       -10.00        100.0
    100   2.37      65.22     -10.00        185.9       -10.00        100.0
    105   1.55      61.95     -10.00        204.3       -10.00        100.0
    110   1.43      58.55     -10.00        207.4       -10.00        100.0
    115   1.36      55.29     -10.00        209.4       -10.00        100.0
    120   0.99      52.41     -10.00        220.7       -10.00        100.0
    125   0.84      49.65     -10.00        229.1       -10.00        100.0
    130   0.62      47.22      -9.85        243.1        -9.85        100.0
    135   0.48      45.05      -9.34        255.9        -9.34        100.0
    140   0.37      43.23      -8.89        270.7        -8.89        104.8
    145   0.30      41.80      -8.53        282.2        -8.53        111.8
    150   0.00      41.06      -8.33        296.0        -8.33        120.3
    155   0.00      40.52      -8.19        297.0        -8.19        120.7
    160   0.00      40.48      -8.18        297.1        -8.18        120.7
    165   0.00      40.96      -8.31        296.2        -8.31        120.4
    170   0.00      41.89      -8.55        294.6        -8.55        119.7
    175   0.00      42.81      -8.79        293.1        -8.79        119.1
    180   0.00      44.12      -9.12        290.9        -9.12        118.3


                                                            EXHIBIT A
                                                            Page 9 of 14

                   Table of Earth Station Coordination Values


Earth Station Name      SALT LAKE CY UT
Owner                  BONNEVILLE HOLDING COMPANY
Latitude (DMS) (NAD83) 40 46 11.8 N
Longitude (DMS) (NAD83)111 54 5.8 W
Ground Elevation (Ft/m)     4255.13 / 1296.90 AMSL
Antenna Centerline (Ft/m)     45.02 /    13.72 AGL
Antenna Model             VERTEX 3.8 METER
Objectives: Receive      -156.0 (dBW /1 MHz)
            Transmit     -154.0 (dBW /4 kHz) TX Power     -20.4 (dBW/4 kHz)

Azimuth Horizon    Antenna              4.0 GHz                   6.0 GHz
 (Deg) Elevation    Disc.     Antenna    Coordination   Antenna    Coordination
         Angle      Angle      Gain        Distance      Gain        Distance
         (Deg)      (Deg)      (dBi)         (Km)        (dBi)         (Km)

    185    0.00      45.84     -9.53        288.2        -9.53        117.2
    190    0.00      47.92    -10.00        285.2       -10.00        116.0
    195    0.00      50.31    -10.00        285.2       -10.00        116.0
    200    0.00      52.98    -10.00        285.2       -10.00        116.0
    205    0.00      55.87    -10.00        285.2       -10.00        116.0
    210    0.00      58.95    -10.00        285.2       -10.00        116.0
    215    0.00      62.19    -10.00        285.2       -10.00        116.0
    220    0.00      65.55    -10.00        285.2       -10.00        116.0
    225    0.00      69.03    -10.00        285.2       -10.00        116.0
    230    0.00      72.59    -10.00        285.2       -10.00        116.0
    235    0.00      76.21    -10.00        285.2       -10.00        116.0
    240    0.00      79.89    -10.00        285.2       -10.00        116.0
    245    0.00      83.60    -10.00        285.2       -10.00        116.0
    250    0.00      87.33    -10.00        285.2       -10.00        116.0
    255    0.00      91.07    -10.00        285.2       -10.00        116.0
    260    0.00      94.81    -10.00        285.2       -10.00        116.0
    265    0.00      98.53    -10.00        285.2       -10.00        116.0
    270    0.00     102.22    -10.00        285.2       -10.00        116.0
    275    0.00     105.87    -10.00        285.2       -10.00        116.0
    280    0.00     109.46    -10.00        285.2       -10.00        116.0
    285    0.00     112.97    -10.00        285.2       -10.00        116.0
    290    0.00     116.39    -10.00        285.2       -10.00        116.0
    295    0.00     119.68    -10.00        285.2       -10.00        116.0
    300    0.00     122.84    -10.00        285.2       -10.00        116.0
    305    0.00     125.81    -10.00        285.2       -10.00        116.0
    310    0.00     128.58    -10.00        285.2       -10.00        116.0
    315    0.00     131.09    -10.00        285.2       -10.00        116.0
    320    0.00     133.31    -10.00        285.2       -10.00        116.0
    325    0.00     135.19    -10.00        285.2       -10.00        116.0
    330    0.00     136.68    -10.00        285.2       -10.00        116.0
    335    0.00     137.74    -10.00        285.2       -10.00        116.0
    340    0.00     138.33    -10.00        285.2       -10.00        116.0
    345    0.00     138.43    -10.00        285.2       -10.00        116.0
    350    1.69     139.68    -10.00        202.8       -10.00        100.0
    355    3.12     139.46    -10.00        166.8       -10.00        100.0


                                                                                                                                                                                                                                                                                                                                                   EXHIBIT A
                                                                                                                                                                                                                                                                                                                                                   PAGE 10 of 14



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SCALE        1:10,000,000                                                                                                                                                                                                                                                                                   1 INCH EQUALS 158 miLes
             ,        100                               0j                                             2
                                                                                                       200                                               400                                                   600                                         800                                       000 KILO METER
                                                                                                                                                                                                                                                                                                                 EAS

         ,       00                                                                                                             200                                                                                      400                                                              500 STATUTE MILES

             0                                                                                                                                      200                                                                                      4 00                                                                           600 0 NA U TICAL
                                                                                                                                                                                                                                                                                                                                         AL M ILES


                                                                             2002 Edmund Halley Drive

                                                                                                                                                                                                                                                                                        (703) 620—6300
                                                                             Reston, VA 20191 USA
                                                                                           (703) 620—6300

T oOmMmSEARCH                                                           Fax (703) 476—2720
                                  http:/twwew.comsearch.com


                                                                          EXHIBIT A
                                                                          PAGE 11 of 14




                           SALT LAKE CY
                        © 501150
                        m
HORIZON PROFILE CURVE
                        1




                                          t         —I         t
                                          120        180      240   300         360
                                                AZIMUTH (DEGREES)


                                                                        EXHIBIT A
                                                                        PAGE 12 of 14




                        SALT LAKE CY
                     © 501150
                     O
(04 GHZ)
HORIZON GAIN CURVE
                 _—10.0




                                       I          t

                                       120        180       240   300         360
                                             AZIMUTH ( DEGREES)


                                                                         EXHIBIT A
                                                                         PAGE 13 of 14




                     SALT LAKE CY
         © 501150
         O
(06 GHZ)
 —2 . 5
            1
HORIZON GAIN CURVE
  —7
   1
        —10 .0




                                    I           1            t

                             60     120         180         240    300         360
                                          AZ IMUTH    ( DEGREES)


                                                                EXHIBIT A
                                                                Page 14 of 14




5.   CERTIFICATION




       I HEREBY CERTIFY THAT I AM THE TECHNICALLY QUALIFIED

       PERSON RESPONSIBLE FOR THE PREPARATION OF THE FREQUENCY

       COORDINATION DATA CONTAINED IN THIS APPLICATION,

      THAT I AM FAMILIAR WITH PARTS 101 AND 25 OF THE FCC

      RULES AND REGULATIONS,          THAT I HAVE EITHER PREPARED

      OR REVIEWED THE FREQUENCY COORDINATION DATA           SUBMITTED

      WITH THIS APPLICATION,          AND THAT IT IS COMPLETE AND

       CORRECT TO THE BEST OF MY KNOWLEDGE AND BELIEF.




                               n




      BY :               A] iklor——
      PUNEET K.(SEKHOg
      ENGINEER
      COMSEARCH
      2002 EDMUND HALLEY DRIVE
      RESTON, VIRGINIA 20191

      DATED:   January   24,   2001



Document Created: 2001-02-20 11:17:11
Document Modified: 2001-02-20 11:17:11

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