Specifications

Masterclock, Inc.
phone (USA and Canada): 1-800-940-2248 | phone (international): [phone]
email: [e-mail] | online: www.masterclock.com
Key Features
• Receives time simultaneously
from up to 12 satellites utilizing
the GPS satellite system
• Provides accurate reference to
within ± 100 nS of UTC
• NMEA-0183 messages on serial
port output with option installed
• Provide most accurate external
time source for MCR
• Includes either Standard Antenna
or Basic Antenna Package
• Antenna cable lengths up to
500’/152 m available
• In-line surge arrestors and in-line
GPS amplifiers available
• Compact design for portable
applications
• May be added to MCR1000 or
MCR5000
Masterclock’s MCR-GPS (GPS Receiver) is an add-in module option for
Master Clock Reference Devices. It provides a precision time reference
based upon the Global Positioning Satellite System.
The GPS option maintains and provides an excellent atomic time
reference based on reception of time from up to 12 GPS satellites
simultaneously.
NMEA-0183 satellite and date/time information messages available on
serial port with option installed. PPS on-time output locked to top of
second.
Each MCR may be ordered with an MCR-GPS module option (MCR1000,
MCR5000, and MCRPCIe).
The GPS module includes the Standard Antenna Package.
Multi-functional Master Clocks
MCR-GPS Module
1.3. 1
Specifications
Receiver
Satellites 12 Channel, up to 12 satellites simultaneously, parallel
Frequency L1, 1575 MHz
Antenna Connector SMA Female
RF Bias to Antenna 3V DC, Center Pin
PPS 4 μs, TTL level, on-time leading edge
Accuracy ± 100 nS of UTC
Antenna
Type Active, External
Gain 32 dB
Mount Outdoor, threaded pipe/mast. M24 x 1.5 internal thread.
Mounting kit provided.
Operating
Temperature
-40° to 85°C, (high humidity)
Voltage 3/5 VDC, center pin
Power Consumption .24 W @ 22 mA
Polarization Right Hand Circular
Weight 4.9 oz (140 g)
Impedance 50
Dimension 3.7” diameter x 4.9” length (96mm x 126mm)
Connector SMA Female
Antenna Cable 50’ (15m)
Beldin 8219, 50 Ohm low loss with SMA male connectors
MCR-GPS Module