antenna coax
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Antennas : 10M- YBN 28-5w - 5 Elements Yagi for 28 MHz
- A 5 element yagi beam antenna for ten meters band with full dimentsions, eznec file and coax match informations for 50 ohms feed line
[ Hits: 914 | Votes: 4 | Rating: 3 ]
- 40m Magnetic Loop Antenna
- A coaxial cable tuneable magnetic loop antenna for 7MHz. This experimental antenna does not require a tuning capacitor
[ Hits: 3584 | Votes: 4 | Rating: 8.75 ]
- Build your own HF balun
- A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
[ Hits: 1639 | Votes: 5 | Rating: 5 ]
- Antenna Theory : Baluns
- This article describe the principles of baluns when referred to devices used to balance unbalanced systems, like a coax cable and a dipole antenna
[ Hits: 706 | Votes: 2 | Rating: 9 ]
- When and Where to Use Baluns
- Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and to transpose from ladder line feeding a multi-band antenna to the unbalanced input of an antenna tuner.
[ Hits: 1518 | Votes: 9 | Rating: 7 ]
- Double Bazooka Antenna
- Double Bazooka Antenna, a simple coax based and broad band antenna you can easily build
[ Hits: 1611 | Votes: 10 | Rating: 8.1 ]
- Bazooka para 40 metros
- A bazooka coax antenna for 40 meters band design by CA6TYS
[ Hits: 687 | Votes: 0 | Rating: 0 ]
- W3EDP Antenna
- W3EDP antenna for 16 - 160 Meters, works by attaching the antenna to a balun and use coax to connect the antenna to the tuner.
[ Hits: 2144 | Votes: 2 | Rating: 10 ]
- Line Loss Calculator
- Types of coax-cable with rf attenuator calculator, line loss calculator form includes an antenna gain calculator. This coax loss calculator can help you on choosing the right cable for your antenna sysmte.
[ Hits: 876 | Votes: 3 | Rating: 6.67 ]
- Why good Antennas need good Coax cable
- The importance of an efficient antenna feed line that can minimize the disturbing noise for an optimal signal reception
[ Hits: 462 | Votes: 1 | Rating: 10 ]
- Trap on Coax Cable
- A trap on the coaxial cable, also known as choke, helps to eliminate the sneaking of the reflected RF- energy to the shack. The trap can be made from the coaxial cable that feeds the antenna
[ Hits: 961 | Votes: 2 | Rating: 6.5 ]
- Chocking the End-Fed Antenna
- Stop common-mode current when transmitting with an end-fed antenna. Unbalanced antennas are very prone to currents on the outside of the coax.
[ Hits: 827 | Votes: 1 | Rating: 8 ]
- 6 m JPole Antenna
- Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.
[ Hits: 1766 | Votes: 6 | Rating: 6 ]
- Simple Coax Mag Loop Antenna
- A homemade Magnetic Loop antenna from a spare 3m length of RG213 working from 30m to 15m with a 130pF tuning capacitor
[ Hits: 3995 | Votes: 11 | Rating: 7.18 ]
- Quarter Waves and Velocity Factor
- Coax Velocity Factor in Baluns, Does it Matter?
Test results show coaxial cable velocity factor does not always enter into stub length calculations especially in the world of Baluns
[ Hits: 208 | Votes: 0 | Rating: 0 ]
- VHF UHF Coaxial Dipole Antenna
- A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive
[ Hits: 2922 | Votes: 15 | Rating: 5.55 ]
- Southwest Antennas
- High-performance rugged antennas and RF accessories such as magnetic mounts, RF coaxial gooseneck adapters, LNAs, BDCs, for law enforcment, military, maritime and video markets.
[ Hits: 243 | Votes: 0 | Rating: 0 ]
- Delta Electronics
- Delta Electronics, Inc. NY USA, family owned and operated selling all varieties of consumer electronics including 10 meter amateur radios, antennas, accessories, microphones, cw transmitters, coax cables and more
[ Hits: 323 | Votes: 0 | Rating: 0 ]
- Make Your Own Coax Patch Panel
- Homemade coax patch panel for antenna and rig switching
[ Hits: 569 | Votes: 4 | Rating: 7.5 ]
- QRO Coaxial Relay for 50 MHz
- Build a SPDT coaxial relay that can be used as a main Transmit/Receive relay or an A-B switch to select between two different 6m antennas
[ Hits: 361 | Votes: 0 | Rating: 0 ]
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