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Quarter-wave matching coaxial cable
To to feed a delta loop with a 1/4 wavellenght coaxial section I used my MFJ259B following the instruction of the MFJ259b manual (7.1 Testing Stubs)
To verify the section I have followed other two methods: 1. MFJ259 manual (Testing Stub with help of 50ohm resistor for lowest SWR) 2. ON4UN method described by Low-Band Dxing Book (Chapter 6, Quarter-wave matching section) The measures that I got with each of the three methods are too different. By accepting a reasonable differences in the results, which of the three methods are considered more reliable ? Ed, IV3TQE |
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