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That is odd, the antenna must have some sort of loading mechanism besides the simple base loop. Without a photo is hard to visualize the antenna. Does it resonate anywhere when it is fully extended? I have a few of the older ARRL handbooks with the ads in the back from the 30's, 40's, 50's, and 60's. I will look and see if anything in there looks like what you are describing.

Is there any signs that the antenna ever have some sort of ground plane or tuned ground wire attached. It seems that for it to work without a tuning stub, it would need a ground plane or at least a simple counterpoise.

73

[QUOTE="295, post: 146478, member: 9162"] That is odd, the antenna must have some sort of loading mechanism besides the simple base loop. Without a photo is hard to visualize the antenna. Does it resonate anywhere when it is fully extended? I have a few of the older ARRL handbooks with the ads in the back from the 30's, 40's, 50's, and 60's. I will look and see if anything in there looks like what you are describing. Is there any signs that the antenna ever have some sort of ground plane or tuned ground wire attached. It seems that for it to work without a tuning stub, it would need a ground plane or at least a simple counterpoise. 73 [/QUOTE]

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