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Home --> GPS Antenna --> GPS Time Receiver

MR700T



Description


GPS receiver and antenna in a fully weather proof enclosure for time transfer application
 

The AQTIME MR-700T is the integration of a timing GPS receiver and antenna in a compact/weather proof enclosure for time transfer application. It outputs UTC synchronized 1PPS with +/- 1 microseconds tolerance, which is close to an atomic clock in accuracy.

As a time transfer device, the AQTIME MR-700T is capable of operating with even 3(three) satellites after having a fix position with 3 or more satellites previously, so you can get precise time base anywhere on the Earth even under a very harsh environment where only one satellite is available.

 

Specifications:

Specifications

Parameter

Description

General

 

L1 frequency, C/A code(SPS),
12 Independent tracking channel

Sensitivity

 

-143 dBm (tracking)

Accuracy

Position

15m CEP , 5m (waas)

Velocity

0.1 m /sec. 0.05 m/s(waas)

Time

+/- 1 µ s RMS (static mode)

Acquisition

 

Cold start

45 sec. (typical)

Warm start

38 sec. (typical)

Hot start

8 sec. (typical)

Reacquisition

 

100 ms typical (signal reacquisition)

Dynamics

Altitude

18000m max.

Velocity

500 m /sec.

Vibration

4G max.

Operation Temperature

 

-40° C to +85° C

Storage Temperature

 

-45° C to +90° C

Operating Humidity

 

0% to 95% RH, non condensing

Water Resistance

 

100% waterproof

Primary Power

 

9V ~ 34V DC

Power Consumption

 

130mA

Protocol

 

NMEA-0183 v3.0 baud rate 4800/9600/19200/38400/115200, default 4800

Signal level

 

RS-232(standard),USB & RS-422 optional

NMEA Message

 

GGA, GLL, GSA, GSV, RMC, and VTG

DGPS Capability

 

Direct RTCM-SC104 interface

EMI filter

 

Rejects power line interference

Power cable

 

UL 2464 , 15M

Enclosure

 

High impact, corrosion-proof polycarbonate resin

Connector

 

open

Dimensions

GPS Locator

90.5mm (Dia.) X 108.5 mm (H)

Mounting Base

 

Weight

 

200 grams

Standard Mounting

 

Concinnity and Solid design

* This specification is subject to change without prior notice

User selectable datum *Pole mount to 1"-14 UNS threaded mast

MR700T 1PPS Specification
1.The signal is generated after the MR-600T power on and continues until power down.
2.The rising edge of the signal is synchronized to the start of each GPS second.
3.The signal is valid after the initial position fix has been calculated.
4.The accuracy of the one-pulse-per-second output is maintained only while the MR600T can compute a valid position fix.
5.The default pulse width is 1u second.
6.The pulse height is 3V.
7.The accuracy is +/- 1usec with respect to the GPS second.

•Power Interface RS232:


I/O PIN & CABLE

Connector

Wire

Function

PIN1

White

Receive

PIN2

Green

Transmit

PIN3

Yellow

Ground

PIN4

Bare Braid

Earth

PIN5

Blue

1 PPS

PIN6

Black

Power-

PIN7

Red

Power+




Connector

Wire

Function

PIN1

White (R+)

Differential input +

PIN2

Green (T+)

Differential output +

PIN3

Yellow (T-)

Differential output -

PIN4

To be detemined(R-)

Differential input -

PIN5

Blue

1PPS

PIN6

Black ( - )

Power-

PIN7

Red (+)

Power+

 


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