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Antennas : 6M : 6 meter J-Pole Antenna- 50MHz J-Pole Antenna
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- Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
[ Hits: 33824 | Votes: 18 | Rating: 7.05 ]
- EH antennas and CFA antenna
- Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical" with no counterpoise.
[ Hits: 2018 | Votes: 3 | Rating: 5.67 ]
- Portable QRP HF Antennas
- Notes on the end-fed half-wave antenna, single-band stub-fed EFHW and a multiband EFHW antenna
[ Hits: 6414 | Votes: 1 | Rating: 7 ]
- AA3RL Transmission Line Calculator
- Excel spreasheet that calculate virtually every transmission line parameter that one may need.
Include Length conversions, Reactance and Length of Stubs
[ Hits: 5336 | Votes: 16 | Rating: 6.88 ]
- K3NA stub design
- Stub sketch notes. Attenuation coax stub schematics
[ Hits: 940 | Votes: 0 | Rating: 0 ]
- Single coax filter
- Coax Stubs for filters to help separate stations
[ Hits: 344 | Votes: 0 | Rating: 0 ]
- Super J-Pole for 435MHz
- The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf
[ Hits: 3370 | Votes: 6 | Rating: 5 ]
- Open Stub J-Pole Project
- A 144/440 dual band open stub J-Pole Antenna project by NT1K
[ Hits: 1947 | Votes: 6 | Rating: 4.33 ]
- Cheap antenna to make from 160m - 6m
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- The antenna is nothing more than a simple 2.4 metre square loop drawing pinned to the internal brick wall of the spare bedroom. Yep, thats right, the inside wall of the spare bedroom - ideal for flat dwellers, hotel rooms or whinging neighbours, The loop has a simple switched inductance at the top of the square loop and uses a simple coaxial stub to tune the antenna. An additional variable capacitor placed across the feedpoint can be used to fine tune the resonance of the antenna, by Andy G0FTD
[ Hits: 46513 | Votes: 28 | Rating: 7.61 ]
- The Lattin 5 Band antenna
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- The antenna was named for W4JRW who invented it and holds a patent on the basic principle and uses quarter wave stubs, 80, 40, 20, 15 and 10 meter bands
[ Hits: 25661 | Votes: 14 | Rating: 7.43 ]
- Beta Match - Hairpin, Stub affecting the element
- The efficiency of Beta matched elements in antennas by K3BU
[ Hits: 1252 | Votes: 4 | Rating: 4.5 ]
- TOM'S TUBES
- Amp tubes
[ Hits: 7212 | Votes: 11 | Rating: 4.82 ]
- Nathan Stubblefield
- Kentucky farmer invents wireless telephone! But was it radio? Facts and folklore about Nathan Stubblefield by Bob Lochte.
[ Hits: 854 | Votes: 7 | Rating: 9.85 ]
- Top Ten Devices
- Automatic band decoder, six way antenna relay, band reject coaxial stubs and more. Top Ten Devices is a two-man company formed in 1991 by N3RD and W2VJN.
[ Hits: 1576 | Votes: 0 | Rating: 0 ]
- Yaesu FT-2000 Service Manual
- Download the Yaesu FT-2000 service manual from filestube
[ Hits: 2614 | Votes: 29 | Rating: 5.13 ]
- Vacuum Tube Supply
- Sell New old stock vacuum tubes at discount prices
[ Hits: 886 | Votes: 3 | Rating: 6.33 ]
- Coaxial Stub Filters
- Coaxial stub filters used at W7GJ
[ Hits: 1135 | Votes: 0 | Rating: 0 ]
- K2TR Coax Stub Filters
- Multi transmitter filters
[ Hits: 3251 | Votes: 7 | Rating: 6.43 ]
- Coaxial Stub Filters
- A range of easy-to-build RFI filters
by John Regnault, G4SWX
[ Hits: 1330 | Votes: 4 | Rating: 9.25 ]
- Stub HF filter
- Multi transmitter filters for HF Bands
[ Hits: 535 | Votes: 0 | Rating: 0 ]
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