Masterclock GMR1000 User Manual

NTP Driven Clocks
NTDS16
FEATURES
> Stratum 1 synchronization via satellite constellations
> Receive time signals from up to 24 satellites
> Accurate reference to within ± 15 ns of UTC
> PPS on-time output is locked to the top of each second
> NMEA-0183 messages on serial port output
> Provides most accurate external time source for GMR devices
> Compact antenna designs for portable applications
> Optional magnetic-mount or standard-mount antennas
> Antenna cable lengths up to 500 ft (152 m) available
> In-line surge arrestors and in-line GPS ampliers available
MASTERCLOCK, INC. 5-YEAR LIMITED PARTS & LABOR WARRANTY MADE IN THE USA
phone (USA and Canada): phone (international): email: online:
1-800-940-2248 +1-636-724-3666 sales@masterclock.com www.masterclock.com
GMR Series Options
GPS and GPS+GLONASS
GPS Option GPS+GNSS Option
Satellites
12-channel, up to 12 satellites
simultaneously, parallel
32-channel, up to 24 satellites
simultaneously, parallel
Frequency L1, 1575 MHz
L1, 1575 MHz and
1598-1606 MHz
Antenna Connector SMA female SMA female
RF Bias to Antenna 5 V DC, center pin 5 V DC, center pin
PPS
50 ms, TTL level,
on-time leading edge
50 ms, TTL level,
on-time leading edge
Accuracy ±60 ns of UTC ±15 ns of UTC
RECEIVER OPTIONS
Basic Antenna Standard Antenna High-Gain Antenna
Type Active, External Active, External Active, External
Gain 28 ± 2 dB 28 ± 2 dB 40 ± 4 dB
Mount Magnet/Adhesive
Outdoor, threaded pipe/mast.
M24 x 1.5 internal thread -
Mounting kit provided
Metal mounting kit provided,
per user specications
Operating Temp.
-40° to 85°C
(up to 95% humidity)
-40° to 85°C
(up to 95% humidity)
-40° to 85°C
(up to 95% humidity)
Voltage 2.2-5 V 3-5 V 3.3-9 V
Polarization Right hand circular Right hand circular Right hand circular
Impedence 50 Ω 50 Ω 50 Ω
Connector SMA Female SMA Female SMA Female
Antenna Cable Belden 8219 or equivalent Belden 8219 or equivalent Belden 8219 or equivalent
Weight 0.9 oz (26 g) 6.7 oz (190 g) 9.6 oz ( 272 g)
Dimensions
1.5 x 1.9 x .59 in
(39 x 49 x 15mm)
3.7dia x 5.5h in
(9.3dia x 14h cm)
3.2dia x 5.0h in
(8.1dia x 12.6h cm)
ANTENNA OPTIONS
The GPS and GPS+GLONASS receiver options for the GMR Series of master clocks provide precision time reference based on satellite
broadcasts, achieving Stratum 1 synchronization. PPS on-time output is locked to the top of each second. Three antenna options are
available for both standard and mobile applications.
Standard Antenna
Basic Antenna
High-Gain Antenna

Masterclock GMR1000 Specifications

General

Brand	Masterclock
Model	GMR1000
Category	Control Unit
Language	English