Symmetricom SyncServer S100 User Manual page 96

Tasks Tasks
Whe When n ex exten
n n
GPS Cable Configurations/Options GPS Cable Configurations/Options
le lengt ngths hs by by co comb
cable. cable.
Operating in "Window Mode" Operating in "Window Mode"
The The Syn SyncSe cServe
re rece ceiv iver er ha has s an an ac accu cura rate te fi fix x on on it its s po posi siti tion on an and d on one e
This s ca capa pabi bili lity ty is is kn known Thi
Wh When en a a go good od an ante tenn nna a si site te is isn't n't av avai aila labl ble, e, th the e us user er ma
ib ibil ilit ity y of of GPS GPS sa sate tell llit ites es and
In Indo doors ors, , in in a a win
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O Outd utdoor oors, s, on on a a bal
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Window Antenna Placement Window Antenna Placement
For For win windo dow moun
win windo dows ws wit
mo more re sa sate tell llit ites es wi will ll be be in in vi view
do dows ws wi will ll al als s o o wor
dow dows s th that at ha have ve th the e be best st vi view
A typical window A typical
Guidelines Guidelines
For bes For best t res resul ults ts wit
Pos Posit itio ion n th the e ant
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If If mu mult ltip iple le si sites
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ant antenna enna toward
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tendi ding ng th the e le lengt ngth h of of th the e ca cabl ble, e, obs
mbin inin ing g th the e st stan andar dard d 50 50 fo foot ot (15
rver r ca can n pro provi vide de ca can n pro provi vide de ex exce cell llent
own as as
Window Mode Window Mode
and red reduc uced ed si sign gnal al st stren
window dow or or sk skyl ylig ight ht. .
balco cony ny rai raili ling, ng, b b ui uild ldin ing g co corne
w mounte ted d an anten tenna na in inst stal alla lati tion ons, s, us use e th the e win
with h equ equiv ival alent ent vi views ews, , ori orient
ew to towar ward d th the e eq equa uato tor r th than an awa
work k . . Pol Polar ar fa faci cing ng win windo dows
ew of of the the sk sky y are
window mounting mounting with the with the antenna is
with h win windo dow w mo mode de: :
anten enna na nea near r th the e lo lower
tes are are av avai aila labl ble, e, ch choo oose se the
toward the the "op "openi ening" ng". .
..........................................................................
observ erve e th the e rec recom
(on pa page ge 86) (on 86). . Avo Avoid id ex exce ceed edin ing g th the e rec
(15.24 .24 m) m) ca cabl ble e wit
ent sy sync nchro hroni niza zati tion on to to UTC
GPS sa sate tell llit ite e mo GPS
current current
. .
may y be be ab able le to to us use e s s it ites es wi with th li limi mite ted d vi vis- s-
rengt gth, h, su such ch as as: :
rner, r, or or su surrou rrounde
windo dow with w with th the e be best st vi view of
entat atio ions ns th that at fa face ce th the e eq equat
away y fr from
ws wil will l al also so wor work k bu but t in in ge gene nera ral l ar are e no not t pr pref efer erre red. d. Wi
are al alway ways s pre prefe ferred rred reg
antenna is shown in shown in the preferred window. the preferred window.
wer win windo dowsi wsill ll. . Thi This s im impro prove ves s upw
the on one e wit with h th the e
widest widest
omme mend nded ed co conf nfig igura urati tion ons s in in
recom omme
with h th the e ex exte tende nded-l d-leng ength th
UTC if if th the e GPS GPS
most st of of th the e ti time
nded d by by ta tall ll st struc ructur tures es (li (limi mite ted d
ew of th the e sk sky. y. For
uator or are are pre prefe ferred rred. . Ge Gene neral rally ly
om it it. . Eas East t or or wes west t fa faci cing ng wi win- n-
regard ardle less ss of of ori orien enta tati tion on. .
upward ard vi visi sibi bili lity ty of of th the e sk sky. y.
vi view o ew of f th the e sk sky y an and d ti tilt lt th the e
Page ge 83 83 Pa
mende nded d
me. .
For
Win- n-