Technical Specifications

RF Output Specifications

• RF Constellation Signal for GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS
• Connector: Type N female
• Frequency:
  • L1/E1/B1/SAR: 1539 - 1627 MHz
  • L2/L2C: 1167 - 1255 MHz
  • L5/E5/B2: 1146 - 1234 MHz
  • E6/B3: 1215 - 1303 MHz
• Number of output channels: 1 to 64
• Channel configuration:
  • Any channel can be GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS
  • GLONASS freq ch -7 to +6
  • Up to 3 SBAS satellites (instead of 1-3 GNSS satellites)
• Data format:
  • 50 bits/s, GPS, Galileo OS, GLONASS frame structure
  • GPS CNAV
  • 250 bits/s, SBAS
• PRN codes: 1 to 210, plus GLONASS
• Spurious transmission: <-40 dBc
• Harmonics: <-40 dBc
• Output signal level:
  • -65 to -160 dBm;
  • 0.1 dB resolution down to -150 dBm;
  • 0.3 dB down to -160 dBm.
• Power accuracy: ±1.0 dB
• Pseudorange accuracy within any one frequency band: 1mm
• Pseudorange accuracy across different frequency bands: 30 cm
• Inter-channel bias: Zero
• Inter-channel range: >54 dB
• Limits:
  • Altitude: 18240 m (60000 feet)
  • Acceleration: 4.0 g
  • Velocity: 515 m/s (1000 knots)
  • Jerk: 20 m/s³
• Extended limits:
  • Altitude: 20200 km
  • Acceleration
  • Velocity: 20000 m/s (38874 knots)
  • Jerk: No limit
• White noise signal level:
  • -50 to -160 dBm
  • 0.1 dB resolution down to -150 dBm
  • 0.3 dB down to -160 dBm
  • ±1.0 dB accuracy

Rear Panel Outputs and Inputs

• External Frequency Reference Input
  • Connector: BNC female
  • Frequency: 10 MHz nominal
  • Input signal level: 0.1 to 5V_rms
  • Input impedance: >1kΩ
• Frequency Reference Output
  • Connector: BNC female
  • Frequency: 10 MHz sine
  • Output signal level: 1Vrms into 50 Ω load
• External Trigger Input
  • Connector: BNC female
  • Signal Type: Single pulse
  • Level: TTL level, 1.4 V nominal
  • Input impedance: >1kΩ
  • Minimum PW: 10 ms
  • Active Edge: Falling
• 1/10/100/1000 PPS Output
  • Connector: BNC female
  • Output signal level: approx. 0V to +2.0 V in 50 Ω load
  • Accuracy: Calibrated to ±10 nSec of RF timing mark output

Time Base

• Standard OCXO
  • Ageing per 24 h: <5x10^-10
  • Ageing per year: <5x10^-8
  • Temp. variation 20 … 50°C: <5x10^-9
  • Short term stability (A_dev @1s): <5x10^-12

Optional Antenna

• Frequency: 1000 MHz to 2600 MHz
• Impedance: 50 Ω
• VSWR: <2:1 (typ.)
• Connector: SMA male
• Dimensions: 15 mm diameter x 36 mm length

Environmental Specifications

• Environmental Data
  • Class: MIL-PRF-28800F, Class 3
  • Operating Temp.: 0°C … +50°C
  • Storage Temp.: -40°C … +70°C, non-condensing, @ <12000 m
  • Humidity: 5-95% @ 10…30°C, 5-75% @ 30…40°C, 5-45% @ 40…50°C
  • Max. Altitude: 2000 m
  • Vibration: Random and sinusoidal according to MIL-PRF-28800F, Class 3
  • Shock: Half-sine 30 g per MIL-PRF-28800F, Bench handling
  • Transit Drop Test: Heavy-duty transport case and soft carrying case tested according to MIL-PRF-28800F
  • Reliability: MTBF 30000 h, calculated
  • Safety: Designed and tested for Measurement Category I, Pollution Degree 2, in accordance with EN/IEC 61010-1:2001 and CAN/CSA-C22.2 No. 61010-1-04 (incl. approval)
  • EMC: EN 61326 (1997) A1 (1998), increased test levels per EN 50082-2, Group 1, Class B, CE
• Power Requirements
  • Line Voltage: 100-240 V_AC, 50/60/400 Hz
  • Power Consumption: 40 W max.
• Dimensions & Weight
  • Width: ½ x 19" (215 mm)
  • Height: 2U (90 mm)
  • Depth: 395 mm
  • Weight: Net 2.7 kg (5.8 lb)
  • Shipping: 3.5 kg (7.5 lb)