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Interesting World Wide DX 7-Band HF Off-Center-Fed Dipole Antenna
Listed on eBay from the UK. This is a simple Two Wire OCF Dipole Antenna using a 6:1 Matching Transformer with a Coax Cable feed-in-line. INFO presented SWR Chart; Diagram of a suggested Inverted "V" Antenna Set-up; and Pictures. Matching Transformer is 300 Ohm to 50 Ohm (6:1) with an SO-239 Coax Cable Connector. Also has good Installation Information {Tips} The Antenna is 'cut' for the Ham Bands with a Short Side 45 Feet and a Long Side 90 Feet for 135 Feet Total Tip-to-Tip. For the International Shortwave Radio Bands this OCF Dipole could be trimmed to Short Side 39 Feet and a Long Side 71 for 110 Feet Total Tip-to-Tip. Having a 120* Inverted "V" Antenna mounting Height of 37 Feet. -or- Even smaller {shorter} with a Short Side 25 Feet and a Long Side 48 Feet for 73 Feet Total Tip-to-Tip. Having a 120* Inverted "V" Antenna mounting Height of 25 Feet. http://cgi.ebay.com/_W0QQitemZ350076340134 |
#2
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Thanks for the tip! Looks like a simple ,inexpensive, and well thought-out
setup... Knut O. "RHF" skrev i melding ... Interesting World Wide DX 7-Band HF Off-Center-Fed Dipole Antenna Listed on eBay from the UK. This is a simple Two Wire OCF Dipole Antenna using a 6:1 Matching Transformer with a Coax Cable feed-in-line. INFO presented SWR Chart; Diagram of a suggested Inverted "V" Antenna Set-up; and Pictures. Matching Transformer is 300 Ohm to 50 Ohm (6:1) with an SO-239 Coax Cable Connector. Also has good Installation Information {Tips} The Antenna is 'cut' for the Ham Bands with a Short Side 45 Feet and a Long Side 90 Feet for 135 Feet Total Tip-to-Tip. For the International Shortwave Radio Bands this OCF Dipole could be trimmed to Short Side 39 Feet and a Long Side 71 for 110 Feet Total Tip-to-Tip. Having a 120* Inverted "V" Antenna mounting Height of 37 Feet. -or- Even smaller {shorter} with a Short Side 25 Feet and a Long Side 48 Feet for 73 Feet Total Tip-to-Tip. Having a 120* Inverted "V" Antenna mounting Height of 25 Feet. http://cgi.ebay.com/_W0QQitemZ350076340134 . DISCLAIMER - All Links/URLs are provide as sources of Visual Reference for their Images and Technical Content : They Do Not Constitute an Offer "For Sale". . NOTICE - BE ADVISED : This is NOT my Auction and I am NOT Associated with the eBay Seller. . PLEASE NOTE : That this Message is being Posted as Radio Product News and is For Your Informational [FYI] Purposes Only. . CAUTION - Know your Seller and something about what they are Selling. . As Always - Buyer Beware - Life is a Gamble and so is eBay ~ RHF . |
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