Typical system setup examples August 12, 2020 13:36 Updated Follow For illustration purposes only. Drawings not to scale. Refer to installation guides for complete instructions. 1 Watt XR Transmitter with Internal Antenna & NTP Time Source 1 Watt XR Transmitter with Internal Antenna & GPS Time Source 1 Watt XR Transmitter with External Antenna & GPS Time Source 1 Watt XR Repeater Transmitter 5 and 30 Watt XR Transmitter with GPS Time Source Related articles System install requirements for ClassicSync 72MHz Deployment, Install, and User Guides (US) 72MHz ClassicSync solution overview Analog Clock setup Reset a 72MHz Analog Clock during troubleshooting