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MMr.Soeberg posted the thread TEST FLIGHT F-35, F-001, Netherlands AF at Volkel [VIDEO] in Aviation Photography.TEST FLIGHT F-35, F-001, Netherlands AF at Volkel [VIDEO] Grtz.
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galenthurber reacted to ab cd's post in the thread Horseshoe antenna works, bi-directional beam. stay tuned. 225nm with
Like.
Adding an impedance matching stub will improve SWR of horse-shoe antenna from 3.5 down to possibly < 1.5 -
galenthurber reacted to ab cd's post in the thread Horseshoe antenna works, bi-directional beam. stay tuned. 225nm with Like.
WRONG CONNECTION
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Dderbysatellite replied to the thread Horseshoe antenna works, bi-directional beam. stay tuned. 225nm.I'll give it another go when i get the analyzer
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ab cd replied to the thread Horseshoe antenna works, bi-directional beam. stay tuned. 225nm.WRONG CONNECTION -
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galenthurber replied to the thread Horseshoe antenna works, bi-directional beam. stay tuned. 225nm.may be because your stub is not tuned, recheck ab cd 's drawing
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AnirbanSen replied to the thread Trial Run Results for Three Types of Whip Antennas.So the last 3 hours in making a premature attempt to see if center conduct can be connected directly. Whereas the first connection to... -
Dderbysatellite replied to the thread Horseshoe antenna works, bi-directional beam. stay tuned. 225nm.Had a go at this, made to 69mm,69mm and 138mm (1/4,1/4,1/2 wave) not very impressed.
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AnirbanSen replied to the thread Trial Run Results for Three Types of Whip Antennas.Very interesting thought. SAW on a coax. Will let you know how it goes. Work beckons. :(
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wiedehopf replied to the thread Trial Run Results for Three Types of Whip Antennas.You could just solder it between two pieces of coax without a PCB. Basically you could fix a length of coax optimally with connectors... -
AnirbanSen replied to the thread Trial Run Results for Three Types of Whip Antennas.Yeah, I know. The tiniest soldering I've had done is on the 555. This is way smaller. But let's see what happens. Need to find a board...
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AnirbanSen replied to the thread Trial Run Results for Three Types of Whip Antennas.I did come across some of your discussions from 2015. There seems to be some literature that says that the input/output must be...
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wiedehopf replied to the thread Trial Run Results for Three Types of Whip Antennas.Not sure how you would solder that onto a prototype board while maintaining a proper signal. Managing high frequency signals on PCBs...
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ab cd replied to the thread Trial Run Results for Three Types of Whip Antennas.May be these diagrams will help. Terminal B is input, E is output. Terminals A, C, D & F are ground. ...
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Dderbysatellite replied to the thread Slim Jim antenna practical?.so to finalize this test i also built the well know 8 legged spider to compare against the J-Pole and Slim Jim. All element lengths are...
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