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W4RAT UHF Repeater The W4RAT 442.55 MHz repeater first signed on in 1996. With antenna positioned 580 feet above Chesterfield Town Center, this Yaesu DR-2X repeater transmits at 50 watts of power and operates in conventional analog FM as well as digital C4FM modes in and out. A 74.4 Hz PL tone is required for FM access. Because this repeater may transmit in either analog or digital mode - as determined by the incoming signal - users of analog-only radios should ensure their radio is set to utilize a 74.4 Hz receive PL tone. This will prevent the squelch from opening for the "noise" of digital signals. However, it will be necessary to look at the signal meter or receive activity light on your radio before transmitting in analog mode to ensure you are not colliding with existing digital traffic. Only one mode may be active at a time. Club member Mike Friedman W4MAF put together an excellent presentation on the capabilities of this repeater in March 2022. We have a copy of it here. New users of the W4RAT 442.55 WIRES-X system should review this to become familiar with local operating practices and the characteristics of our particular system. The repeater is open to all licensed amateurs. You do not need to be a member of the club to use our repeater. Please take a moment to become familiar with our Repeater Rules and basic repeater etiquitte before going on the air. RATS members needing help accessing the repeater may reach out to their Technical Committee. Regional Linking via the Virginia Room Unless a user has temporarily connected the repeater elsewhere, the 442.55 machine stays linked to the Virginia Room along with three other repeaters: K4MRA/R 145.13 MHz in Harrisonburg, N4POW/R 147.315 MHz in Powhatan, and W4FEG/R 444.65 MHz in Goochland. WIRES-X traffic from these systems will be carried on the digital portion of the repeater and will not be heard over analog. Questions about the WIRES-X system on the UHF repeater may be directed to the Technical Committee generally or Mike Friedman W4MAF specifically.
Coverage Map
Above: Map showing projected coverage of the W4RAT 442.55 MHz repeater, generated using Radio Mobile Online by Roger Coudé VE2DBE |
