coax

coax

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• Magnetic Long Wire UnUn 9:1 - An impedance transformer (9:1) to feed a high impedance long wire (~450 ohm), down to a 50 ohm unbalanced coaxial input.
  [ Hits: 1929 | Votes: 4 | Rating: 7 ]
• QRP Magnetic longwire balun with VHF-splitter - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
  [ Hits: 754 | Votes: 2 | Rating: 6 ]

• Coax Bazooka type antenna - 2 metre and 70 cm Coaxial Dipoles, Double Bazooka type
  [ Hits: 3203 | Votes: 3 | Rating: 7 ]

• The Sloping Vertical Dipole - The radiating part is the vertical half of the dipole. You get nearly radiation in all directions, the second half must not be in 180°. The table below show how we get an impedance for direct feeding of 50Ohm coax. by DK7ZB
  [ Hits: 537 | Votes: 0 | Rating: 0 ]

• Single coax filter - Coax Stubs for filters to help separate stations
  [ Hits: 344 | Votes: 0 | Rating: 0 ]

• Tuning HF antenna Traps - Tuning HF Coaxial Antenna Traps
  [ Hits: 494 | Votes: 0 | Rating: 0 ]

• Ribbon Antenna - This antenna article is geared towards new Hams and antenna builders looking for a very inexpensive 6 band antenna that can be efficiently fed with 50 ohm coax without a tune
  [ Hits: 847 | Votes: 0 | Rating: 0 ]

• Archimedean Spiral Antenna for RTLSDR - Dodgy plans to make Archimedean spiral antenna for RTLSDR software defined radio receiver. Made of two equal lengths of coaxial cable seems to be the easiest circularly polarized antenna to make that will cover a broad range of the rtlsdr dongles E4000 tuners
  [ Hits: 1033 | Votes: 2 | Rating: 10 ]

• Coax Antennas - Amateur Radio Coaxial Antennas by G3TXQ
  [ Hits: 397 | Votes: 0 | Rating: 0 ]

• Tuning HF Coaxial Antenna Traps - The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency.
  [ Hits: 1963 | Votes: 2 | Rating: 4 ]
• 20/40 Meter Short Coax Trap Dipole Antenna - Ham Radio 20 / 40 meter short Coax Trap dipole antenna designed with the coax trap design calculator program
  [ Hits: 2611 | Votes: 11 | Rating: 6.1 ]
• Bootstrap coax traps for antennas - Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.
  [ Hits: 1356 | Votes: 2 | Rating: 9 ]

• Benelec - Radio Communication Base Station, Marine, Cellular and Mobile antennas covering all bands between 2-6000MHz, Communication Accessories, Coaxial Cable, Coaxial Connectors and Accessories
  [ Hits: 916 | Votes: 2 | Rating: 6 ]

• EUPEN Cables - RF Coax Cables Manufacturer, KABELWERK EUPEN AG Belgium
  [ Hits: 272 | Votes: 0 | Rating: 0 ]
• ABR Industries - 50 Ohm Coaxial Cables, Assemblies, and Connector supplies.
  [ Hits: 306 | Votes: 0 | Rating: 0 ]
• Voldatech - Voldatech Telecommunication & Networking Solutions, RF Coax cables and connectors manufacturer based in China
  [ Hits: 270 | Votes: 0 | Rating: 0 ]

• ABR Industries - Coax Cable manufacturer in USA
  [ Hits: 341 | Votes: 0 | Rating: 0 ]

• Coax and PL259s - Basics, Coax, The PLS259, Soldering and preparing the coax, Crimp on Connectors
  [ Hits: 517 | Votes: 4 | Rating: 7.25 ]
• RF Coaxial Switch - An interesting rf coaxial switch project capable of handling 800-1500 W. This is a cheap home made RF coaxial switch in use by PA0FRI
  [ Hits: 423 | Votes: 2 | Rating: 4.5 ]

• Lightning protection Coax box - A lightning protection box done to disconnect antennas from the shack by PE2MC
  [ Hits: 586 | Votes: 0 | Rating: 0 ]

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