coax

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coax

356 links - and 3 categories

Antennas : 30M Antennas : 40M
  • 40 Meter coaxial antenna - An antenna for 40 meter band made entirely of coaxial cable either RG58 or RG59 Au.
    [ Hits: 5220 | Votes: 4 | Rating: 4.25 ]
Antennas : Baluns : 1 to 1 Balun
  • A Cost Effective Current-mode 1:1 Balun - A cost effective current-mode 1:1 balun can be constructed from a length of coax and a rod typically used for a broadcast antenna loop-stick, some electrical tape, cable ties, a length of PVC water-pipe and some connectors.
    [ Hits: 9191 | Votes: 4 | Rating: 7.25 ]
Antennas : Baluns : 4 to 1 balun
  • The Guanella 1:4 balun - A cost effective current-mode 1:4 balun can be constructed from two lengths of coax, two ferrite rods, some electrical tape, cable ties, a length of PVC water-pipe and some connectors. This form of 1:4 current-mode balun is named after G. Guanella.
    [ Hits: 3636 | Votes: 1 | Rating: 10 ]
Antennas : Dipole
  • Wire antenna with coaxial cable traps - This multiband antenna 10-80 meters is a home made project by I1BAY. Has been used for SOTA activations with great results. Traps are done with coax cable turns, dimensions are in the attached schema.
    [ Hits: 9250 | Votes: 3 | Rating: 7 ]
  • Build a hanging dipole for 2 metres - Described here is a simple omni-directional, vertically-polarized dipole for two meters. Made from coaxial cable, it can be rolled up and stored in a small container
    [ Hits: 5334 | Votes: 3 | Rating: 8.33 ]
Antennas : Feed Lines Antennas : Loop Antennas : Satellite
  • Types of Coax in Satellite operations - Coax is a very important part of a satellite station. It is almost as important as the antennas you choose. This article discusses choosing coaxial cables for satellite communication, emphasizing factors like line loss. It compares types such as RG-8, RG-58, Belden 9913/9913F, LMR-400, and hardline, highlighting their impact on signal preservation.
    [ Hits: 2395 | Votes: 1 | Rating: 9 ]
Antennas : Traps
  • Building Coaxial Traps - This page describes the design and construction materials W8WWV used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable multiband operation.
    [ Hits: 10267 | Votes: 5 | Rating: 8.2 ]
  • CoaxTrap - This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
    [ Hits: 5521 | Votes: 10 | Rating: 3.7 ]
  • VE6YP CoaxTrap - The Coax trap program computes design parameters for the construction of coaxial traps for HF usage. Typically these are constructed from PVC tube and RG58/59 coax
    [ Hits: 7441 | Votes: 26 | Rating: 6.54 ]
Antennas : Vertical
  • Coax Monopole antenna - OE1MWW monopole antenna made with common RG 58 or RG 213 coaxial cable
    [ Hits: 3509 | Votes: 3 | Rating: 6.67 ]
Technical Reference : Antenna Switch
  • A Coax Switch - An inexpensive coax switch. shows a proven inexpensive home-made antenna selection switch. If you question the use of a cheap slide switch and SO239 coax sockets, read on. Measurements in a physics lab showed there to be practically no reflection on HF and even on 70 cm the SWR was below 1.3 : 1
    [ Hits: 9676 | Votes: 8 | Rating: 7.5 ]
Technical Reference : Coax Cables and Connectors
  • Using RG-174 Coaxial Cable - Notes on using RG-174 Coaxial Cable at Medium and Lower HF Frequencies by John Bryant and Bill Bowers
    [ Hits: 929 | Votes: 4 | Rating: 4.25 ]
  • Making Crimp-On connectors for RG-213 coax cable - The construction process of making crimp-on connectors with many pictures and instructions by VE7BZ
    [ Hits: 1254 | Votes: 2 | Rating: 10 ]
  • Coax cable data  updated - Characteristics of commonly used transmission lines
    [ Hits: 3587 | Votes: 9 | Rating: 6.33 ]
  • Common Coax Data - A table summarizing common coax cables features
    [ Hits: 925 | Votes: 1 | Rating: 4 ]
Technical Reference : Filters

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