rf antenna

437 links - and 1 categories

2 Meter Slim Jim antenna from Ordinary Wires - Slim Jim (J Integrated Match J-Pole) is probably the most easiest and powerful 2 meter antenna to build provided you have the exact measurement and material to build it.
[ Hits: 5352 | Votes: 6 | Rating: 5.17 ]

7 element Yagi Antenna for 50 MHz - 50 MHz extended 6-7 element ZX-Yagi antenna. Dimensions for the 7 elements and information on performance of a 2 stacked antennas featuring a total max gain of 20.8 dBi
[ Hits: 796 | Votes: 2 | Rating: 6.5 ]

80 m shortened Dipole - DL2HRF shortened dipole antenna for 80 meters band
[ Hits: 3234 | Votes: 5 | Rating: 6.6 ]
Helically Loaded Magnetic Loop Antenna - A considerably shortened Magnetic Loop antenna with performance of a single conductor text book magnetic loop.
[ Hits: 576 | Votes: 16 | Rating: 1.56 ]

Baluns on Log Periodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.
[ Hits: 2575 | Votes: 5 | Rating: 4.8 ]

Delta loops for 15 20 and 30 m - Full Wave Delta Loops for 15, 20 and 30m with perimiter dipole, quiet, low TOA, mono-band - a perfect stealth omnidirectional solution
[ Hits: 3862 | Votes: 3 | Rating: 1 ]

Coaxial feeder or RF coax cable - An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another
[ Hits: 647 | Votes: 3 | Rating: 3.67 ]

Horn Antenna - About basics of the horn antenna used for many rf microwave antenna applications.
[ Hits: 793 | Votes: 0 | Rating: 0 ]

Stealth Antennas: Indoor antennas - 8Mb pdf file containing a presentation made to the KC DX Club on stealth antennas. In search of maximal performance indoor antennas by AC0C Jeff Blaine
[ Hits: 1372 | Votes: 1 | Rating: 1 ]
88' Zig Zag Double Extended Zepp - A Double Zepp indoor antenna based on Cebik's reccomendations and design. Can cover HF bands, fed with 450 ohm open wire feeder terminating in an automatic antenna tuner, can perform incredible results.
[ Hits: 2685 | Votes: 7 | Rating: 6.71 ]

Ferrite rod antennas - Ferrite rod antenna or aerial, a form of RF antenna that is widely used in RFID and transistor radio applications.
[ Hits: 1058 | Votes: 1 | Rating: 2 ]

Antenna resonance and bandwidth - About antenna or aerial resonance and bandwidth and the impact of RF antenna resonance and bandwidth on radio communications systems.
[ Hits: 420 | Votes: 0 | Rating: 0 ]

Antenna performance table by VE7BQH - Performance chart of VHF antennas in a stacked array
[ Hits: 913 | Votes: 2 | Rating: 10 ]

Pro Antennas - Specialist UK manufacturer of high performance compact HF antennas
[ Hits: 330 | Votes: 0 | Rating: 0 ]

Skymasts - Manufacturers of professional Civil & Defense UHF/VHF Base Sation Antennas,Installation Hardware, Power Splitters and Distributors of EUPEN rf Cable & Connector products.
[ Hits: 502 | Votes: 0 | Rating: 0 ]

Hilberling - Hilberling GmbH based in Rendsburg Germany manufacturer of HF VHF Transceivers, rf power amplifiers, power combines, RF generators, power supplies, Antenna Diplexers and Triplexers
[ Hits: 1911 | Votes: 2 | Rating: 10 ]

Amplifiers - Care and Feeding - Antenna and Power considerations, ALC Keying interface, Battery info, Keying interfaces and more
[ Hits: 419 | Votes: 1 | Rating: 1 ]

XPhase - Interference reduction - The function of the XPhase is based on the fact that the interfering signal, received by an auxiliary antenna, is added phase-shifted to the signal received from the main antenna. When the phase-shift is more or less 180°, the interfering signal is canceled out.
[ Hits: 733 | Votes: 0 | Rating: 0 ]

Tuning Your Antenna - Testing SWR - Testing SWR on your antenna and getting the best performance from your investment by L.D. Blake, VE3VDC
[ Hits: 1081 | Votes: 1 | Rating: 4 ]

R.F. Current Meter - This R.F. current meter was developed to assist in measuring line currents in balance feed lines as used in the All Band HF Antenna.
[ Hits: 626 | Votes: 1 | Rating: 1 ]