Attachment KE35ANGLEANDPOWERFIX

KE35ANGLEANDPOWERFIX

SUPPLEMENT submitted by ALASCOM, INC.

ANGLE AND POWER FIX

2011-07-05

This document pretains to SES-MOD-20110628-00749 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2011062800749_904085

Corrections for SES-MOD-20110628-00749, KE35                                                        Page 1 of 3




 Towanda Bryant

 From:     Williams, Teresa G [tw238j@att.com]
 Sent:     Tuesday, July 05, 2011 1:01 PM
 To:       Towanda Bryant
 Subject: Corrections for SES-MOD-20110628-00749, KE35

Correction Highlighted in yellow.

Site No. 1, Site ID: 1

City: SPARREVOHN             County:                  State: AK

Latitude: 610624.0N Longitude: 1553621.0W

PTComms: ALSAT

Ant        Diameter Max Input Max Output Gain               Gain

Row Antenna ID (m)          Power (W) Eirp (dBW) (dBi@GHz) (dBi@GHz)

1 1         7.00    25.0      64.5    47.7 @ 4 50.5 @ 6

                                            Calc Calc Calc Calc

Crd Freq Lo Freq Hi SatArc SatArc Elev Elev Azim Azim Elev Elev Azim Azim Antenna
ID

Row (MHz) (MHz) (East) (West) (East) (West) (East) (West) (East) (West) (East) (West)

1 5925     6425      95 W     150W     5.1    20.6 116.3 173.6     5.1   20.6 116.3 173.6 1

2 3700     4200      95 W     150W     5.1    20.6 116.3 173.6 5.1       20.6 116.3 173.6 1

Frq Freq Lo Freq Hi Emission EIRP Eirp Den. T/R Band- Modu-                   Pt        Pt Pow.Den. Antenna
ID

Row (MHz) (MHz)                (dBW) (dBW/4kHz)          width lation (dBW) (Watts) (dBW/4kHz)

1 5925     6425     13M9G1D 64.50 30.10 T 13.9 MHz Digital 14.00                   25.12 -20.40 1

2 5925     6425     29K0G1D 55.40           47.80   T 29.0 kHz Digital 8.10        6.46    0.50 1

3 5925     6425     13M9G7W 64.50 30.10             T 13.9 MHz Digital 14.00 25.12 -20.40 1

4 3700     4200     13M9G1D                   R 13.9 MHz Digital                    1




7/6/2011


Corrections for SES-MOD-20110628-00749, KE35                                                                  Page 2 of 3



5 3700       4200     29K0G1D                    R 29.0 kHz Digital                        1

6 3700       4200     13M9G7W                     R 13.9 MHz Digital                            1

7 5925       6425     57K0G7W 58.40            47.80     T 57.0 kHz Digital 11.10           12.88    0.50 1

8 3700       4200     57K0G7W                     R 57.0 kHz Digital                        1

---------------------------------------------------------------------------------------------------------

Certifications are OK

East Elev Angle (5.2 differs from calculated (7.2) by more than 0.5 degrees on SiteID 1, AntennaID
1

East Azim Angle (123.9 differs from calculated (120.9) by more than 0.5 degrees on SiteID 1,
AntennaID 1

West Elev Angle (15.5 differs from calculated (20.6) by more than 0.5 degrees on SiteID 1,
AntennaID 1

West Azim Angle (176.0 differs from calculated (173.6) by more than 0.5 degrees on SiteID 1,
AntennaID 1

East Elev Angle (5.2 differs from calculated (7.2) by more than 0.5 degrees on SiteID 1, AntennaID
1

East Azim Angle (123.9 differs from calculated (120.9) by more than 0.5 degrees on SiteID 1,
AntennaID 1

West Elev Angle (15.5 differs from calculated (20.6) by more than 0.5 degrees on SiteID 1,
AntennaID 1

West Azim Angle (176.0 differs from calculated (173.6) by more than 0.5 degrees on SiteID 1,
AntennaID 1

PowDen (0.5 dBW) on 5925-6425 29K0G1D exceeds Max Digital PowDen of -2.7for ROUTINE
PROCESSING on SiteID 1, AntennaID 1

   To meet ROUTINE PROCESSING level, this power density may be reduced by 3.2 dB;

   OR a 2-DEGREE SPACING ANALYSIS is required.

PowDen (0.5 dBW) on 5925-6425 57K0G7W exceeds Max Digital PowDen of -2.7for ROUTINE
PROCESSING on SiteID 1, AntennaID 1

   To meet ROUTINE PROCESSING level, this power density may be reduced by 3.2 dB;




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Corrections for SES-MOD-20110628-00749, KE35                                                                                              Page 3 of 3



    OR a 2-DEGREE SPACING ANALYSIS is required.

The safe RF radiation limit of 5.0 mW/cm^2 is not exceeded by this facility.1

Thank you,

Tessie (Teresa) Williams
AT&T Alaska (NFL, Ltd.)
505 E. Bluff Drive
Anchorage, AK 99501
907-264-8343

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7/6/2011



Document Created: 2011-07-06 16:35:08
Document Modified: 2011-07-06 16:35:08

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