Specifications

Masterclock, Inc.
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phone(USAandCanada):1‐800‐940‐2248|phone(international):+1‐636‐724‐3666
email:[e-mail]|online:www.masterclock.com
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KeyFeatures
• Reads,synchronizesto,and
outputsNMEA‐0183ASCII
Messages
• NMEAcodetransmittedover
Ethernet,RS‐232andUSBports
• Softwarecontrolled
• Supportsmultiplebaudrates
from4,800to57,600
• MaybeaddedtoMCR1000and
MCR5000
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Masterclock’sMCR‐NMEAisanadd‐infirmwareoptionfor
MasterClockReferencedeviceswhichreadsandsynchronizes
oroutputsNMEA‐0183messages.
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TheNMEAinputoptionautomaticallydetectsandlockstothe
incomingNMEA‐0183messages.Itissoftwarecontrolledand
lockstothemostaccuratetimereferencemessageavailable.
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Multi-functional Master Clocks
NMEA Input/Output Info
1.3. 4
Specifications
Input/OutputNMEAtimestampedmessages 
MessagesSupported
ZDA,GGA*,GLL*,GSA*,GSV*,RMC *,VTG*
BaudRatesSupported 4800,9600,19200,38400,57600
DataBits 8,7
Parity None,Odd,Even
Stopbits 1,2
DecodeRate Uptooncepersecondpermessage
Accuracy
Within10msofreceiptoffirstcharacterofNMEApacket
OverallaccuracytoUTCtopofsecondisdependentupontheNMEAoutput
 *RequiresMCR‐GPSModuletooutput
NMEA‐0183
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timeanddate