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in reality the longer the wire the better.
But there is a down side the longer the wire the more you receive including interference. you could try useing an Antenna Tuner preselector... "RHF" wrote in message oups.com... TEST, . Yes - In general the more Wire the Better "Works" to a degree; and your two Shortwave Receivers can handle more wire then most 'portable' AM/FM Shortwave Radios. . What you call a Longwire Antenna is more generally described as a Random Wire Antenna; because it is not 'cut' for one frequency and one or more Wave Lengths (WL) long. . For a Shorwave Listener's (SWL) Random Wire Antenna the 'preferred' lay-out is to have a Long and Elevated Wire Antenna Element that is connected to a Matching Transformer (near ground level) with a Ground Rod and Ground; using a Coax Cable Feed-in-Line to the Radio/Receivers. . READ - The Inverted "L" Antenna - It's 'basic' Lay-Out and Structure The Inverted "L" {Shortwave Listerner's} Antenna - "Why-It-Works" http://groups.yahoo.com/group/Shortw...a/message/1969 http://groups-beta.google.com/group/...b3ddbed819958d . For a Shortwave Listerner's (SWL) Antenna 'bending' the Antenna Wire Element is not a problem. Using Insulated (Plastic Overed) Wire has its Advantages and 'stranded' wire is usually easier to work with then solid. The use of Insulators at the Wire-Ends and other Mounting Points is a 'good' Construction Technique. . READ - Three "Must" Links to Read -wrt- Low Noise SWL Antenna http://groups.yahoo.com/group/Shortw...na/message/949 . READ - "Low Noise Shortwave Listener (SWL) Antenna for most Radio/Receivers" [NO Antenna Tuner Required] http://groups.yahoo.com/group/Shortw...a/message/1525 http://groups.yahoo.com/group/Shortw...a/message/1024 . For most Shortwave Listeners (SWLs) who are considering building and using a Low Noise Inverted "L" Antenna. . READ - Inverted "L' Antenna Reading List http://groups.yahoo.com/group/Shortw...na/message/374 . READ - The 'simple' Answer (in most cases) is the Low Noise Inverted "L" Antenna http://groups.yahoo.com/group/Shortw...a/message/1785 . NOTE - When properly laid-out, arranged and constructed; the Inverted "L" Antenna provides a relatively 'low noise' "Omni-Directional" Shortwave Listener's (SWL) Antenna. . iane ~ RHF . All are WELCOME and "Invited to Join" the Shortwave Listener (SWL) Antenna eGroup on YAHOO ! http://groups.yahoo.com/group/Shortwave-SWL-Antenna/ . Some Say: On A Clear Day You Can See Forever. http://groups.yahoo.com/group/Shortw...na/message/502 . I BELIEVE: On A Clear Night . . . You Can Hear Forever and Beyond, The BEYOND ! With a Shortwave Listener SWL Antenna of your own making. "If You Build It {SWL Antenna} You Will Hear Them !" . . = = = test wrote: Hi from the Netherlands. Question. I just installed a new longwire antenna. And because I always heard: "'the more wire the better"' I have installed a sort of long U, doubling my regular wire lenght... One end of the U is attatched to an isolator on the first floor and from there it goes down to the garden to another isolator, and from there it goes back up to another isolator. The coax goes to a balun and to my ar3000a and or Kenwood 1000r. The antenna wires don't touch and they are plastic coated. did I do the right thing? seems have a lot of interference.... txs 7373 Joost . |
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