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Ringo Ranger Problems
On 9/4/2012 6:23 PM, Ralph Mowery wrote:
To be blunt with you, Get the instructions for it. The thing is suspose to be about 18 feet long. Not 9 feet or 11 feet 6 inches. He is also mislabeling the names of the various antennas, and makes it hard to tell what the heck he really has.. A Ringo Ranger is a VHF or UHF antenna, and is a twin element collinear vertical. It has a phasing stub type deal between the two elements. The 2 meter version happens to be about 8.75 ft tall. A Ringo is a single element halfwave vertical. And Cushcraft does/did make a 10m version. It's the AR-10, and is appx 16 feet tall. So I'm starting to wonder if they are using a 2 meter antenna for 10 meters.. ?? It would be fairly easy to convert the RR to a 10m ringo.. Extend to 16 feet, and you would need to use a larger gamma loop, and a bit longer piece of coax for the capacitor. I've made them before, and used 1/4 inch copper tubing to make the gamma loop. BTW, a 10 meter ringo does not require radials. But it can be further improved by adding a decoupling section a 1/4 wave down from the feed point. I used a union to ground the shield to the metal mast at that point, and had three 1/4 wave radials. |
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