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#1
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For One and All,
AM/MW/BCB Loop Antenna for DX MW LF VLF *No Tuning* - by W1VLF http://cgi.ebay.com/_W0QQitemZ5835229011 Highlights - Here is an very low impedance Loop Antenna, constructed of 1/2" copper piping, 24" on a side, with a Broadband Impedance Transformer, and a 20 db Gain Low Noise, High Dynamic Range Pre-Amplifier. The output is a common UHF type SO 239 female connector. WWVB 60 kHZ Ferrite Loop Active Antenna - by W1VLF http://cgi.ebay.com/_W0QQitemZ5837399066 Highlights - The Antenna is 3 Ferrite Rods formed together and wound with number 21 AWG Wire. There is a Pre-Amplifier inside the base of the Antenna, and it is powered up the Coax. W1VLF = Paul Cianciolo [ Vanagon = Rescue Electronics Surplus ] http://stores.ebay.com/RESCUE-ELECTRONIC-SURPLUS Hope the Text and Pictures may inspire you to try your own special Home-Brewed Loop Antrenna; or other Shortwave Listening Do-It-Yourself Project ![]() iane ~ RHF |
#2
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For One and All,
24 kHz Ferrite Loop Antenna Solar Flare Monitor http://cgi.ebay.com/_W0QQitemZ5841124651 The Ferrite Loop Antenna is Resonant a 24 KHz the Frequency of the Cutler, Maine RTTY Station. The PVC Pipe (Tube) that house's the Ferrite Rod Antenna is over 24 Inches Long. Check-Out the Seven (7) Nice Photo's of the Ferrite Loop Antenna. Use the Loop to Monitor Very Low Frequency Radio Transmissions and Sudden Ionospheric Disturbances. Note - The Cutler, Maine RTTY Station is used by many people and organizations to monitor the stability of the earth magnetic field, and how it is affected by solar activity. FOLLOW-UPS : # 1 . AM/MW/BCB Loop Antenna for DX MW LF VLF *No Tuning* - by W1VLF http://cgi.ebay.com/_W0QQitemZ5835229011 This Auction ended with a Price of $144 OBTW - A Second design prototype of this AM/MW BCB Loop Antenna with some improvements is being offered on eBay : http://cgi.ebay.com/_W0QQitemZ5841124634 # 2 . WWVB 60 kHZ Ferrite Loop Active Antenna - by W1VLF http://cgi.ebay.com/_W0QQitemZ5837399066 This Auction ended with a Price of $129 CHECK-OUT THE DESIGNS - GET INSPIRED : Hope the Text and Pictures may inspire you to try your own special Home-Brewed Loop Antrenna; or other Shortwave Listening Do-It-Yourself Project ![]() NOTICE - These are NOT my eBay Auctions and I am NOT associated with the Seller; nor am I 'promoting' these items For Sale. iane ~ RHF |
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