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ClockWatch Star Sync Specifications

ClockWatch Star Sync
Specifications

Heavy
Duty

Received Frequency	1575.42 MHz (L1) Coarse Acquisition (C/A)
Satellites Tracked	up to Twelve, simultaneous
Acquisition Time	Cold start, typically less than 20 minutes. Warm start with ephemeris data and position, typically less than 2 minutes.
Accuracy	Typical Network: ±30 millisecond typical
Inputs/Connectors	RS-232 Setup Interface: DB9 female The port works at 19200 baud, 8N1.
Power	115 VAC to 5 VDC @ 0.3 amps, UL/CSA approved power adapter (supplied). An international power supply (90-264 VAC input) is available for applications outside North America at no extra charge.
Warranty	One year
Weight	1.3 lbs. (0.59 kg)
Temperature	32° to 122° F, 0° to 50°C operating range, 0 to 95% relative humidity, non condensing
Antenna
Size	Size: 2.22" (w) x 3.79" (l) x 1.05" (h) (56.4mm x 96.3mm x 26.7mm) Weight: 3.88 oz. (110 g), not including cable Cable: 10' of antenna cable. Mounting brackets available separately.
Temperature	-30° to +80° C operating range

Standard
Duty

Receiver:

Differential-ready 12 parallel channel receiver tracks and uses up to twelve satellites to compute and update a position.

Acquisition Times:

15 seconds warm (all data known)
45 seconds cold (initial position, time and almanac known, ephemeris unknown)
5 minutes AutoLocate (almanac known, initial position and time unknown)
5 minutes search the sky (no data known)

Update Rate:

1 pulse per second (+/-1 microsecond subject to Selective Availability), continuous

Antenna:

Built in

Physical

Single construction integrated antenna/receiver
Weight: 125 g, including cable
Size: 61 mm in diameter and 19.5 mm in height

Environmental

Operating Temperature: -30°C to +80°C
Storage Temperature: -40°C to +90°C

Power

Input Voltage: 120 VAC to 5 VDC volt power supply (included), International power supply is also available
Typically draws 60 mA @ 5 VDC

Backup Power

Internal 3V Lithium coin cell battery, recharges during normal operation, holds up to 6 month charge, up to 10 year life

Portable	Receiver Differential-ready 20 parallel channel receiver tracks and uses up to twenty satellites to compute and update a position. Acquisition Times 35 seconds warm (all data known) 42 seconds cold (initial position, time and almanac known, ephemeris unknown) 5 minutes Auto Locate (almanac known, initial position and time unknown) 5 minutes search the sky (no data known) Update Rate 1 pulse per second (+/-1 microsecond subject to Selective Availability), continuous Antenna Built in patch antenna Single construction integrated antenna/receiver Physical Weight: 115 g, including cable Size: 42 x 35 mm and 15 mm in height Integral magnetic mount LED Blue blinking LED when GPS is fixed Environmental Operating Temperature: -40°C to +85°C Storage Temperature: -55°C to +100°C Interface RS-232 (DB 9-pin male serial port) Port parameters: 9600 baud (8,1,n) Input Voltage 3.3 to 5 VDC USB (type-A plug) power cable (included) Typically draws 62 mA @ 5 VDC Backup Power Internal battery, recharges during normal operation, allows for fast time to first fix (TTFF)
Client Software	An NIST or NTP client is required for client-side synchronization with the network time server. ClockWatch Client is recommended for clients running MS Windows. Contact Beagle Software for recommendations on clients for other operating systems.
External Time Sync Protocols Supported	NIST Daytime ACTS NTP (RFC 1305) SNTP (RFC 1361) TIME (RFC 868)
Internal Time Sync Client Protocols Supported	NIST Daytime NTP (RFC 1305) SNTP (RFC 1361) TIME (RFC 868)
For more information	Star Sync Product Information: Advanced Features Frequently Asked Questions about GPS Star Sync GPS Receiver Installation Information - Installation Video Antenna Mounting Options Star Sync Main Page Star Sync Site Index
Questions?	For more information on Star Sync, please complete the information request form. Or call us toll-free at 1-877-845-2549.