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Vertical colinear
I'm a bit confused over the construction of a vertical colinear.
The docs I've seen all are more or less the same, alternating half-wave sections of coax or hardline. The thing that's bending my head, is that there's a velocity factor inside the coax, that presumably isn't there on the outside. So, while a given section is a half wave on the outside, it's probably more like 3/4 wave inside. My understanding is that we are trying to get to a series of dipoles all fed in phase, and yet this seems like it's not accomplishing that. What am I missing? |
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