Symmetricom SyncServer S100 User Manual page 27

n n
n n
Mode Mode
n n
n n
n n
Antenna Cable Delay (nS): Antenna Cable Delay (nS):
The us user-c The
propag pro
Antenna Status Antenna Status
Th The e GP
it itors ors the
n n
n n
n n
Position Position
sec seconds
Altitude Altitude
Satellites Satellites
n n
n n
n n
WARNI NING WAR
GPS pos GPS
or or oth
Pos Posit itio ion n Hol Hold: d: Pos Posit itio ion n fi fixe xes s are
positi ition on is is use pos used. d.
Ti Time me Val Valid id: : The The rec recei eive ver r has
UTC Of Offs fset et and UTC and Le Leap ap Ind Indic icat ator).
rec recei eive ver r st statu atus s sh shou ould ld ev even entu tual ally ly rea
: :
Surve Survey: y: The The rec recei eive ver r is is su surve
ve veyi ying, ng, the the rec recei eive ver r swi switc tche hes s to to Pos
mo mode de are are app approp ropria riate te for for st stat atic ic ap appl plic icati ations
This s is is th the e de defau Thi fault lt mo mode de whe
Dyn Dynam amic ic: : The The GPS GPS rec recei eive ver r su surve
sw swit itch ch to to an anot othe her r mo mode de. . Th
mo mobi bile le ap appl plic icati ations ons su such ch as as sh ship ips, s, la land nd ve vehi hicl cles es, , and
mode de of offe fers rs is is fi fine ne fo for r NTP mo NTP ti time
puts ava puts availa ilable ble on on som some e Sync SyncServe
Pos Posit itio ion n Hol Hold: d: The The GPS GPS rec
or or the the us user er ha has s ma manua nuall lly y ent
an and d st stab abil ilit ity y of of the the Syn SyncSe cServ rver's
ex exac act t pos posit itio ion n an and d is is in in thi this s mo
er-conf onfig igure ured d va valu lue e (on (on th the e
pagat atio ion n fro from m th the e an anten tenna na al alon ong g th the e le leng ngth th of of th the e ca cabl ble e to to th the e rec
: :
GPS S re rece ceiv iver er s s up uppl plie ies s po power
the cu curren rrent t to to th that at ci circ rcui uit t to to de detec
Go Good od: : Th The e cu curre rrent nt to to th the e GP
Open en: : The Op The cu curre rrent nt is is to too o lo low. w. The
bro broke ken. n. Som Some e sp spli litt tters ers ma may y ca caus use e thi this s co condi
Sh Shor ort: t: Th The e cu curre rrent nt is is to too o hi high gh. . Th
: : The The la lati titu tude de an and d lo long ngit itude
onds. . Refere Reference nced d to to WGS-8 WGS-84. 4.
: : Th The e al alti titu tude de of of th the e an ante tenn nna a in in me
: : The The li list st of of GPS GPS sa sate tell llit ites es vi visi sibl ble e to to th the e rec
Sat Sat Num Numbe ber: r: The The GPS GPS sa sate tell llit ite's
number number
Sign gnal al: : The Si The rel relat ativ ive e st stren rength
Sta Statu tus: s: "Cu "Curre rrent" nt" me mean ans s tha
"T "Trac racke ked" d" me mean ans s the the rec recei eive ver r is is tra
NG: : GP GPS S Po Posi sitio tion
posit itio ion n an and d al alti titud tude e are are for
other er cri critic tical al appl applic icati ations ons. .
99 997-0 7-0152 1520-0 0-03 3 Rev Rev. . A A ..........................................................................
are no no lo long nger er at atte temp mpte ted, d, an and d the
has va vali lid d ti timi ming ng in info forma rmati tion on fro
or). If If the the GPS GPS rec recei eive ver r an and d an anten
reach ch an and d rem remai ain n in in th this is st stat ate. e.
rveyi ying ng and and av avera eragi ging ng it its s pos
Posit itio ion n Hol Hold d mo mode de. . Surv
ons, , su such ch as as a a ty typi pica cal l se serve
when n th the e Syn SyncSe cServ rver er st start arts. s.
rveys ys co cont ntin inuo uous usly ly to to de deter
This is mo mode de mu mus s t t be be in init itia iate ted d by by a a us user er, , an and d is is ap appr prop opri riat ate e fo for r
and ai airc rcraf
me ov over er ne netwo twork rks s , , bu but t is is le les s s s th than an op opti tima
Server r mod models els. .
recei eive ver r has has co comp mple lete ted d Surv Survey ey mo
entere ered d a a pos posit itio ion n an and d "f "forc
er's ti timi ming ng ou outp tputs uts are are op opti tima
mode. de.
REFERENCES - GPS REFERENCES - GPS
wer to to th the e GP GPS S an ante tenn nna a th thro roug ugh h th the e an ante tenn nna a c c ab able le. . It It al als s o o mo
tect t op open en or or sh short ort ci circu
GPS S an ante tenn nna a an and d ca cabl ble e is is no norm
The GPS GPS ant anten enna na or or ca cabl ble e is is pro
nditi tion on as as wel
The e GP GPS S an ante tenn nna a or or ca cabl ble e pr prob obab ably ly ha has s a a s s ho hort rt ci circ rcui uit. t.
ude of of the the GPS GPS ant anten enna na in in de degre
mete ters rs. . Ref Refer eren enc c ed ed to to WG
recei eive ver: r:
e's Sat Satel elli lite te Veh Vehic icle le (SV)
gth of of the the GPS GPS si sign gnal al (dBW (dBW = = de deci cibel
that t the the rec recei eive ver r is is us usin ing g the
track ckin ing g th the e si signa gnal, l, but
n and andAl Altitu titude de
for ti timi ming ng pu purpo rpose ses s onl only. y. The
..........................................................................
ST STAT
the su surve rveye yed d or or us user-
from m GPS GPS sa sate tell llit ites es (in (incl cludi
tenna na are are se set t up up co correc
posit itio ion. n. Whe When n it it ha has s fi fini nish shed ed su sur- r-
Survey ey mo mode de an and d Pos Posit itio ion n Hol
rver r roo room m en envi viron
termi mine ne it its s pos posit itio ion n and
raft. t. The The de degre gree e of of ac accu curac
mal l fo for r th the e ti timi ming ng ou out- t-
mode de an and d swi switc tched hed to to thi this s mo
orced" ed" it it in into to th this is mo mode de. . The The ac accu curac
mal l when when the the rec recei eive ver r ha has s it its s
page) e) to to co comp pag mpen ensa sate te fo for r GPS
recei eive ver. r.
rcuit its. s.
rmal al. .
proba babl bly y di disc scon onnec
well. l.
grees es, , mi minu nute tes, s, an and d fra
WGS-8 S-84. 4.
(SV) num numbe ber, r, a a un uniq ique ue id iden enti tifi fica cati tion on
bels s rel relat ativ ive e to to 1 1 Wat
the GPS GPS si sign gnal al in in it its s ti timi ming ng so solu luti tion on. .
but is isn't n't us usin ing g it it in in th the e ti timi ming ng so solu luti tion.
They y are are no not t in inte tend nded ed for for na navi viga gati tion on
Page ge 15 15 Pa
ATUS US - - G G PS PS
er-ent entere ered d
uding ng GPS- GPS-
rrectl tly, y, the the
Hold d
ronme ment. nt.
and do does esn't n't
racy y th this is
mode de, ,
racy y
GPS si sign gnal al
mon- n-
nected ted or or
fract ctio iona nal l
Watt). t).
on.