cable

cable

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• 40m loaded dipole - This is an short dipole for 7 MHz. Total length of this dipole is just 10 meters, 33 feet. Missing lenght is balanced by a coil made of 49 turns of a 40mm diameter pvc pipe. The use of a choke balun is recommended, as always, to adapt the unbalanced coax cable to the balanced antenna, and to prevent RF feed back along the coax shield.
  [ Hits: 193 | Votes: 4 | Rating: 8.75 ]

• 50 MHz CLC antenna - A small antenna for 50 MHz made with copper cable loading coils
  [ Hits: 247 | Votes: 0 | Rating: 0 ]

• Corned Fed Delta Loop - Author found a ratio between the lengths of the sides of the Delta Loop that give reasonably low SWR into a 50 ohm coaxial cable almost independent of the high above ground and other surroundings. This ratio also gives good results no matter orientation. Includes an online delta loop antenna calculator.
  [ Hits: 168 | Votes: 0 | Rating: 0 ]

• Cobweb Antenna - A home made cobweb antenna project made with easy to find parts 2-14 AWG speaker cables which are cut to 1/2 wavelength for each band and junction box with 4:1 Balun
  [ Hits: 264 | Votes: 4 | Rating: 10 ]

• Magnetic Loop HF antenna - An homebrew HF Magnetic loop made with 2m length of 6mm diameter copper pipe formed into a near circle as the low loss inductor, a short length of coax as a capacitor,a short length of mains cable, again as a fixed tuned capacitor, a tunable 365pF air spaced capacitor, and a small Jackson C804 airspaced variable with a small 3-35pF trimmer in parallel
  [ Hits: 131 | Votes: 0 | Rating: 0 ]

• Optimizing Coax-Cable Traps - A document that will guide you on Coaxial-Cable trap optimization process to gain on global antenna performance and on increasing effective bandwidth.
  [ Hits: 165 | Votes: 0 | Rating: 0 ]

• 20-30m Vertical Antenna - Homebrew project for a vertical antenna with a coaxial-cable trap, that works on 20 and 30 meters band.
  [ Hits: 73 | Votes: 0 | Rating: 0 ]

• Reducing the Cable Mess - Optimizing the cable connections for cat control and audio input output by implementing the digirig mobile. A small audio and rig control interface, with a single USB cable supports most QRP radios requiring external audio and CAT control facilities
  [ Hits: 155 | Votes: 0 | Rating: 0 ]

• A RemoteQth Cable Adapter for Prosistel Rotator - If you are a RemoteQth server user, and own a Prosistel rotor, you will have to deal with the problem of remoting your rotor. The solution suggested by RemoteQth is to build the K3NG interface that allows you to control any types of rotor.
  [ Hits: 65 | Votes: 0 | Rating: 0 ]

• IC-7300 Amplifiers Interfacing - How to interface the Icom IC-7300 to RF Power amplifiers. Menu settings, cable connections and recommendations on how to avodi common errors that could even damage either the amplifier or the IC-7300
  [ Hits: 364 | Votes: 4 | Rating: 9 ]

• FT-817 CAT interface - Homemade custom CAT interface cable for the Yaesu FT-817 this article include schematics diagram for the interface and some pictures
  [ Hits: 126 | Votes: 0 | Rating: 0 ]

• PC programming cable for Kenwood TH-F7E - Make your own programming cable for the Kenwood TH-F7E handheld transceiver
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

• Midway Electronics - Midway Electronics supplies the area with electronic components, wire, cables, amateur radio transceivers, QRP kits, CB transceivers, GMRS radios, Shortwave radios, power supplies, antennas, coax, connector and ham radio accessories
  [ Hits: 216 | Votes: 2 | Rating: 3 ]

• The AntennaPi - This is a remote antenna switch I use in my attic to connect transceivers in the basement to multiple antennas in the attic. The goal of this project is to be able to remotely connect one of the antennas in the attic to the only antenna cable available.
  [ Hits: 133 | Votes: 0 | Rating: 0 ]

• Everything You Need To Know About Coaxial Cable - An technical page on coaxial cables that describes what coax cables are, how do coax cables works, what are RG cables and difference with several coax cable types, what they are used for, connector types and cable sizes
  [ Hits: 158 | Votes: 0 | Rating: 0 ]
• N-Type Connector on Cellflex Cable - Installation of Female N-Type Connector on 1-5/8 RFS Cellflex Cable
  [ Hits: 96 | Votes: 2 | Rating: 6.5 ]
• Coax Attenuation Chart - Tables with attenuation in DB per 100 feet of several coaxial cables.
  [ Hits: 353 | Votes: 5 | Rating: 3.4 ]

• Icom External Keypad Connector Cable - To connect the external keypad to your Icom radio you’ll need to make a connector cable like this.
  [ Hits: 96 | Votes: 1 | Rating: 1 ]

• Alinco DR-605 Microphone Cable Repair - Repairing the RJ45 plug end of the mic cable of a Alinco DR-605 dual band mobile transceiver. Alinco microphones are well known for the cable jacket getting brittle and breaking
  [ Hits: 125 | Votes: 0 | Rating: 0 ]

• Common-mode chokes Measurements - Common-mode chokes are useful solutions for RFI reduction. Winding a few turns of coaxial cable on the FT 240-31 toroid can reduced the noise below the received noise floor. In this article author measure different chokes
  [ Hits: 156 | Votes: 1 | Rating: 8 ]

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