• GPS Time Precision: +/- 10ns RMS jitter.
• Antenna Connection: 1575.42MHz (L1 Band)
• TTFF (Time To First Fix)
• Cold start @-125dBm typically 33 seconds
• Re-acquisition (<10s obstruction) typically 1 second
6.3 Antenna Specifications
• Active patch antenna with magnetic base.
• Size: 1.57 in. x 1.89 in. x 0.51 in thick, 43 grams.
• Amplifier: LNA +28dB Noise: 1.5dB VSWR: 2.0 Voltage: 2.7-6.0V.
• Cable: RG174, 5m length, SMA male.
• Environmental: -40 to +85C
• Waterproof to Ipx6
6.4 TM2500B OCXO Timing Information / Specifications
• 1 PPS / 10MHz output is 3.3V TTL signal
• Standard BNC connection
• Best stability of the OCXO and 10Mhz reference in holdover is achieved:
◦ 8 hours of operation required if TM2X00B off for 24 hours
◦ 24 hours of operation required if TM2X00B off for 1 week
◦ 48 hours of operation required if TM2X00B off for 1 month
◦ Stable temperature conditions
(Specifications are subject to change without notice)
Installation and Operations Manual | Page 21
Web / timemachinescorp.com Email / tmsales@timemachinescorp.com Phone / (402) 486-0511
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