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Aviat StarLink 5_1 User Guide

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STARLINK 5.1Users Guide

OCTOBER 2011

STARLINK 5.1 USER GUIDE

COPYRIGHTCopyright 2011 by Aviat Networks, Inc.All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Aviat Networks Inc. To request permission, contact [email protected]

WarrantyAviat Networks makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties or merchantability or fitness for any particular purpose. Further, Aviat Networks reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Aviat Networks to notify any person of such revision or changes.

TrademarksAll trademarks are the property of their respective owners.

CONDITIONS OF SOFTWARE USEBy executing this program, users agree to the following conditions: Aviat Networks grants the user a non-exclusive license to use the software free of charge on an "as-is" basis, without warranty of any kind. The entire risk as to software and the quality and accuracy of its results are borne by the user. Because of natural geoclimatic and other factors associated with microwave path engineering not under Aviat Networks' control,, its results and analyses do not constitute a guarantee on the part of Aviat Networks for the performance of its manufactured equipment or of other manufacturers products it resells. All results of the computations are the responsibility of the user who will not hold Aviat Networks at fault for any direct or indirect consequences of the program's use. The program is the property of Aviat Networks wherein title, ownership rights, and intellectual property rights in the software remain with Aviat Networks. A license is given for its use that will terminate on failure to comply with any of these described limitations. No part of the program may be copied for sale or resale, translated, modified, reverse engineered, or transferred to any printed or electronic medium without the prior consent of Aviat Networks. It may only be copied for archival use and given in its entirety for use by third parties. Proprietary notices may not be removed.

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TABLE OF CONTENTSINTRODUCTION .......................................................................................................................................5 FEATURES ................................................................................................................................................6MAIN FEATURES ................................................................................................................................................... 6 PARAMETERS MOST AFFECTING THE MICROWAVE HOPS PERFORMANCE ............................................. 7 ADDITIONAL FEATURES ...................................................................................................................................... 8AUTOMATIC UPDATE VIA THE INTERNET ...................................................................................................................................... 8 FASTER SPECIFICATIONS OF A NEW PROJECT .......................................................................................................................... 8 DEFAULT VALUES FOR NEW PATH CALCULATIONS WORKSHEETS....................................................................................... 8

THE STARLINK WORKSPACE ................................................................................................................9MENU BAR ............................................................................................................................................................. 9 CURRENT PROJECT SCREEN .......................................................................................................................... 10

USING STARLINK ...................................................................................................................................11DEFINING A NEW PROJECT .............................................................................................................................. 11 OPENING AN EXISTING STARLINK 5 PROJECT .............................................................................................. 12 EDITING PROJECT SETTINGS........................................................................................................................... 12 EDITING EXISTING PATH DATA ........................................................................................................................ 13 REMOVING A PATH FROM A PROJECT ........................................................................................................... 13 PERFORMING PATH CALCULATIONS .............................................................................................................. 13 PRINTING A PATH CALCULATION SHEET ....................................................................................................... 15 BROWSING RADIOS AND ANTENNAS DATABASES ....................................................................................... 15 USING THE RADIO FINDER WIZARD ................................................................................................................ 15

QUICK START .........................................................................................................................................16VIGANTS C-FACTOR PATH CALCULATIONS WHAT IF? SCREEN ............................................................... 22 ITU-R P.530-13 PATH CALCULATIONS SCREEN ............................................................................................. 24

REFERENCES ........................................................................................................................................29 TUTORIAL ...............................................................................................................................................30MICROWAVE RADIO PATH CALCULATION OVERVIEW ................................................................................. 30 AZIMUTHS & PATH LENGTHS............................................................................................................................ 31 FREE-SPACE PATH LOSS .................................................................................................................................. 32PATH LOSS (ENGLISH UNITS)......................................................................................................................................................... 32

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PATH LOSS (METRIC UNITS) ........................................................................................................................................................... 32

UNFADED (FREE SPACE) RECEIVE SIGNAL LEVEL .................................................................................... 32 DESIGN FADE MARGIN ...................................................................................................................................... 33 DISPERSIVE FADE MARGIN .............................................................................................................................. 33 SHORT-TERM OUTAGE CAUSED BY MULTIPATH FADES ............................................................................. 35PROBABILITY OF OUTAGE CALCULATIONS (VIGANTS KQ FACTOR, METRIC UNITS) ...................................................... 37 PROBABILITY OF OUTAGE CALCULATIONS (ITU-R P.530-13 DETAILED LINK DESIGN, K GEOCLIMATIC FACTOR, METRIC UNITS) .................................................................................................................................................................................. 38

DIVERSITY IMPROVEMENT COMPUTATIONS FOR VIGANTS AND ITU-R P.530-13 PATH CALCULATIONS .............................................................................................................................................................................. 39SPACE DIVERSITY IMPROVEMENT FACTOR ISD (ENGLISH UNITS)......................................................................................... 39 SPACE DIVERSITY IMPROVEMENT FACTOR ISD (METRIC UNITS)........................................................................................... 40 ANGLE DIVERSITY IMPROVEMENT FACTOR, IAD ........................................................................................................................ 40

SELF-HEALING RING (ROUTE DIVERSITY) IMPROVEMENT FACTOR, ISR ................................................. 40 FREQUENCY AND HYBRID DIVERSITY IMPROVEMENT FACTORS IFD, IHD .................................................. 40REQUENCY DIVERSITY IMPROVEMENT FACTOR IFD (ENGLISH UNITS) ................................................................................ 41 FREQUENCY DIVERSITY IMPROVEMENT FACTOR IFD (METRIC UNITS) ................................................................................ 41

EFFECTIVE FREQUENCY DIVERSITY SPACINGS IN N+1 HOPS, FEF.......................................................... 41 MULTIPATH PERFORMANCE OUTAGE OBJECTIVES..................................................................................... 42 NORTH AMERICAN OUTAGE OBJECTIVES, BELL .......................................................................................... 42 ITU-R F.634 OUTAGE OBJECTIVE, PDH SYSTEMS ........................................................

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