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In article .com,
"RHF" wrote: M..., My assumtions were that he said he was getting ready for a Table Top Receiver; and that it would have both a LO-Z 50 Ohm {SO-239 Jack} and HI-Z 500 Ohm {Pair of Terminals} as the External Antenna Inputs. But in re-reading the original post; I see that it is a RadioShack DX-394 which only has the one SO-239 Jack as it's External Antenna Input. My general preference with a Ceiling Loop Antenna is to use 300 Ohm Twin Lead as the Feed-in-Line from the Wire Loop Element to the Receiver's HI-Z 500 Ohm {Pair of Terminals} for the External Antenna Input. The exception being if the Radio uses an 1/8" Mono-Jack as the External Antenna Input. Then a short piece of simple Audio Coax Cable with an 1/8" Mono-Plug can be the better choice for a Feed-in-Line from the Loop Antenna to the Radio. Note - Horizontal Wire Loop Antenna Element directly connected to a Vertical Feed-in-Line. You would be better off using 50 ohm coax for the loop antenna and also the lead-in using the radios low Z input. If you are in a low noise area then use an unbalanced coax loop for more pickup. If local noise is a problem then use a voltage balanced loop. -- Telamon Ventura, California |
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