Raymarine RAY91 - Chapter 11 Troubleshooting

Frequencyrange
156.050MHzto163.275MHz/155.500MHzto161.425
MHz(Privatechannels)
SensitivityBetterthan1microvoltEMF@20dBSINAD
SquelchsensitivityL
essthan-2dBµEMF
Humandnoise
Betterthan-40dB
A
udiodistortion
Lessthan10%
R
eceiversensitivity
•Distance—119dBm(0.25uV)@12dBSINAD(typical)
•Local—110dBm(0.7uV)@12dBSINAD(typical)
Adjacentchannelselectivity
Morethan70dB
SpuriousresponserejectionMorethan70dB
Intermodulationrejection
Morethan68dB
GNSS(GPS)
Channels72
Coldstart29seconds
R eceiverICSensitivity•Trackingandnavigation=-167dBm
•Reacquisition=-160dBm
•Coldstart=-146dBm
•Hotstart=-156dBm
GNSScompatibility•GPS
•GL ONASS
•Beidou
SBA Scompatibility•QZSS
•WAAS
•EGNOS
•MSAS
•GAGAN
SpecialfeaturesActiveJammingandInterferenceR eduction
Operatingfrequency
•GPSL1C/A
•GL ONASSL10F
•BeidouB1
SignalAcquisition
A utomatic
AlmanacUpdateA utomatic
GeodeticDatum
W GS-84(alternativesavailablethroughRaymarineMFD)
R efreshRate
20Hz(20timespersecondConcurrentGNSS)
Antenna•External—Ane xternalpassiveantennaisrequired
HorizontalP ositionAccuracy
•Autonomous=2.5m(8.2ft)
•SBAS=2m(6.56ft)
AIS(R ay91only)
Classtype
R eceiveronly
T echnicalspecification
137