Summary of Contents for Directive Systems & Engineering DSE945LYRMK
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Directive Systems & Engineering 2702 Rodgers Terrace Haymarket, VA 20169-1628 www.directivesystems.com 703-754-3876 9cm Loop Yagi Kit (Rear Mount), Model DSE945LYRMK SPECIFICATIONS Frequency range: 3.4 to 3.5 GHz Gain: 20 dBi Number of elements: 3 dB Beamwidth Boom length: 60 inches (E plane): 16º...
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SWR. If it’s less than 1.5:1 you can stop and make sure the loop doesn’t try to pop back up, sometimes you have to squeeze the loop with your fingers to make sure it stays in DSE945LYRMK Rev 12/20...
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#2 using the R2 hardware. The end opposite the connector is soldered to the open ends of the brass element. Allow a 3/16" max gap at the feed point. For best match, the driven element should be approximately 7/8 inches high; this makes it wider than it is tall. DSE945LYRMK Rev 12/20...
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This shape can be adjusted for best match. After final tune-up, it is a good idea to solder the UT-141 to the brass bolt at the bolt head. Use a large 150-watt+ soldering iron. This antenna is based on work done by G3JVL. Soldered Driven Element Note: All dimensions are in inches. DSE945LYRMK Rev 12/20...
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ANY ANTENNA THAT HAS BEEN MODIFIED WILL BE SUBJECT TO A RESTOCKING CHARGE. IF AN ANTENNA IS SO MODIFIED AS TO MAKE IT UNUSABLE, DIRECTIVE SYSTEMS RESERVES THE RIGHT TO REFUSE TO ACCEPT THE ANTENNA FOR RETURN. DSE945LYRMK Rev 12/20...
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