wire on ground

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wire on ground

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Antennas : 160M
  • The Battle Creek 40 80 160 m antenna - 3 Band vertical Marconi-antenna for the bands 40, 80, 160 meters with a ground net of wires as radials.
    [ Hits: 2727 | Votes: 3 | Rating: 8 ]
  • 160 Meter Ground Plane - The 160 meter ground plane is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoints / tiepoints use PVC pipe T-sections Article by W1TR
    [ Hits: 857 | Votes: 1 | Rating: 9 ]
Antennas : 40M
  • NVI 40 Meter Antenna Modeling - The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.
    [ Hits: 3001 | Votes: 0 | Rating: 0 ]
Antennas : 40M : 40 meter Delta Loop Antennas
  • Delta Loop for 40 and 20 meter Band by UR0GT - This wire antenna for 40 and 20 meter band feature a good SWR. Horizontal side of the antenna is placed at two meters above the ground. Impedance of the antenna are depending by the height of the base from the ground and conditions of the ground
    [ Hits: 531 | Votes: 5 | Rating: 7.8 ]
Antennas : 6M : 6 meter Moxon Antennas
  • WA0WOX 6 meter Moxon Antenna - Built around a 1/2" pvc frame, Larry's 6 meter moxon antenna is made from #8 aluminum ground wire
    [ Hits: 2855 | Votes: 4 | Rating: 5.75 ]
Antennas : 80M
  • 80 Meter Ground Plane - The 80 meter ground plane is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses PVC a pipe T-section Article by W1TR
    [ Hits: 1265 | Votes: 5 | Rating: 5.8 ]
  • 80M Grounded Half Loop - The grounded half loop describe in this article is basically a half wave length wire on 80 Meters
    [ Hits: 1115 | Votes: 1 | Rating: 1 ]
Antennas : Baluns
  • Magnetic longwire balun - Magnetic longwire baluns 1:9 combined with ground, a 1:2 and 1:1 balun connections by ON6MU
    [ Hits: 4374 | Votes: 9 | Rating: 5.67 ]
Antennas : Feed Lines
  • Transmission Lines - Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
    [ Hits: 1270 | Votes: 0 | Rating: 0 ]
Antennas : Four Square
  • 40 m Wire 4 Square Vertical Array - 40 meter four square vertical array using four full-size 40 meter ground plane antennas, using only two radials
    [ Hits: 1066 | Votes: 2 | Rating: 9 ]
Antennas : Helical
  • Helical Antennas -Theory - Helical antenna or helix antenna is the antenna in which the conducting wire is wound in helical shape and connected to the ground plate with a feeder line. It is the simplest antenna, which provides circularly polarized waves.
    [ Hits: 136 | Votes: 0 | Rating: 0 ]
Antennas : Homebrewing Techniques
  • Wire Antenna Design Lengths - The Classic Numbers for All Types of Wire Antennas at HF. Wire antennas need to be made a bit long and cut to resonance. They are affected by height above the ground and surrounding objects. In order to get an idea of the right place to start, certain formulas are generally accepted.
    [ Hits: 325 | Votes: 1 | Rating: 7 ]
Antennas : Masts and mounts
  • Poles for portable operations - Reviews of two types of poles used on portable operation to support wire antenna and accessories to plant poles in the ground by N4KGL
    [ Hits: 619 | Votes: 0 | Rating: 0 ]
Antennas : Portable
  • Portable Vertical Antenna - A home made portable vertical antenna, that with a single 1/4 wave counterpoise wire is possible to achieve less than 1.5:1 SWR on 40, 30, and 20 meter bands. It is basically a center load, shortened ground plain vertical antenna.
    [ Hits: 361 | Votes: 0 | Rating: 0 ]
Antennas : Receiving
  • Double Half-Delta Loop RX Antenna - This wire antenna was developed to offer for a small, low-band, ground independent directional receiving antenna, it requires only two support poles. It is basically composed by two interconnected half delta loops and is better than a single flag or EWE, and almost as good as two phased EWE in the same space.
    [ Hits: 939 | Votes: 0 | Rating: 0 ]
Antennas : Shortwave
  • Long Loopstick Antenna - Wound on a 3 foot length of PVC pipe, the long loopstick antenna was an experiment to try to improve AM radio reception without using a long wire or ground.
    [ Hits: 4375 | Votes: 1 | Rating: 10 ]
Antennas : Theory
  • Practical Antenna Modeling with 4NEC2 - Presentation about Practical Antenna Modeling Using the NEC Codes with examples of HF wire antennas and 4NEC2. How to define and edit the models, Running the simulations, Work some examples, Variables usage, Deal with Feed Lines and ground
    [ Hits: 463 | Votes: 0 | Rating: 0 ]
Technical Reference : Antenna Switch
  • Five Antennas Switch Box - A project of a 5 Antennas Relay Switch Box, all Switches & Relays have both contacts wired in parallel to improve reliability of operation, to prevent static build up, when an antenna is not in use the feeder coax is grounded.
    [ Hits: 1239 | Votes: 1 | Rating: 10 ]
Technical Reference : Grounding
  • Why grounding - Overvoltage protection, Voltage stabilization, Grounding in wiring, Ground wire resistance
    [ Hits: 1725 | Votes: 1 | Rating: 1 ]
  • The Ufer Ground - Ufer techniques are used in building footers, concrete floors, radio and television towers, tower guy wire anchors, light poles, etc.
    [ Hits: 412 | Votes: 0 | Rating: 0 ]

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