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RG-8U is still made to day by Belden. If you consider it as old when it comes off the line then I guess it can be called old cable. Belden is still a very viable company. In fact they were the original manufacturer of the RG-8U cable. The main difference between the RG-8 and the RG-8U is that...
All antenna connections from the shack to antenna, in my shack, are done with LMR-400 made by Times Microwave. Damn good coax. If you use LMR-400 get the real stuff not the ePay stuff that says LMR-400 type. If it says type it means it has been over salt water to get here. In the shack, any...
You answered your own question, "in free space". As you bring your dipole into relationship with the ground the charistics of that antenna change.
Bernie
W8NBC
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