Product Information
Features
Synchronization
- GNSS
- GPS (L1) (+QZSS)
- Galileo
- GLONASS
- BeiDou
- External IRIG
- AM & DCLS
Timing Outputs
- Time Code Outputs AM/DCLS
- IRIG-B AM Outputs
- NASA 36
- 2137
- 1 PPS < 100ns
- Programmable Pulse Output
- Rate Output
- 10 MPPS Output
Interfaces
- USB Port
- RS-232 Port
- OLED Display
- Status LEDs
- Front Panel Controls
- Wide-Input Power 5-40 VDC


Product Description
The GS-101C is a compact, high-performance Synchronized Time Code Generator that provides precise UTC-referenced timing from GNSS/GPS or IRIG time code sources.
Designed for laboratory, aerospace, defense, test range, and industrial applications, it combines precision timing, flexible interfaces, and rugged construction in a compact, portable package.
Why The GS-101C?
- ±100 ns UTC Accuracy
- 72-Channel Multi-Constellation GNSS
- Synchronizes to GPS or External IRIG
- USB or 5-40 VDC Powered
- Time Interval / Event Capture
- Custom Configuration available
- Field Upgradeable Firmware
- Designed & Manufactured in USA
- 2-Year Warranty
Product Specifications
Performance
- Timing Accuracy (GNSS)
- ±100 nanoseconds to UTC
- Position Accuracy
- <2.5 meters CEP typical (SA off)
- GNSS Input Frequency
- 1176 MHz to 1605 MHz
- GNSS Receiver
- 72 parallel channels — GPS, Galileo, GLONASS, BeiDou, QZSS
- Internal Oscillator
- TCXO <5×10-9 (disciplined to GPS)
Interfaces
- RS-232 I/O Port
- Baud rate 9600–115200; time, position, status & setup; DB-15
- 2nd RS-232 Port
- Accepts DGPS RTCM SC-104 correction data
- USB Port
- Time, position & status output
- Manual Control
- Front-panel setup: mode, time, DST, pulse config
- OLED Display
- Up to 4 lines, alphanumeric
- LED Indicators
- Lock, Alarm
Inputs
- GNSS Antenna Input
- L1 GNSS/GPS
- AM Serial Time Code Input
- IRIG-B 122, IEEE-1344; Connector: SMA (CODE INPUT)
- DCLS Time Code Input
- IRIG-B 002, IEEE-1344; TTL levels; Connector: DB-15
Outputs
- AM Serial Time Code Output
- IRIG-B 122/123, IEEE-1344; Connector: SMA (CODE OUTPUT)
- DCLS Time Code Output
- IRIG-B 002/003, IEEE-1344; TTL; Connector: DB-15
- 1PPS Output
- <100ns accuracy, TTL into 50Ω, 50% duty cycle; DB-15
- Programmable Pulse Output
- TTL, positive edge on time, 20µs width; DB-15
- TTL, positive edge on time, 20µs width; DB-15
Environmental / Mechanical
- STCG Dimensions
- 4.72″ L × 4.07″ W × 1.20″ H
- STCG Weight
- 0.65 lb
- Operating Temp.
- –20°C to +70°C
N
- Storage Temp.
- –40°C to +80°C
- Humidity
- To 95% non-condensing
- Certifications
- RoHS
Power
- DC Power Input
- 5–40 VDC, <500 mW
- AC Power
- Via AC-to-DC converter module
- USB Power
- Can be powered through USB bus
Available Options
- Conformal Coating
- Custom Pulse Rates
- OEM Firmware
- GPS/GNSS Mag-Mount Antenna w/ 5m SMA cable
- GPS/GNSS/Galileo/BeiDou/QZSS
- Outdoor weather-resistant antenna with cable
- RS422
- Extended Warranty
