ground

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ground

277 links - and 2 categories

Antennas : 160M
  • 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: 861 | Votes: 1 | Rating: 9 ]
Antennas : 40M
  • 40 Meter Bowtie Antenna - A bowtie antenna is a type of antenna that reputedly provides higher gain at lower radiation angles than a center-fed dipole antenna at heights considerably less than 1/2 wavelength above ground.
    [ Hits: 1421 | Votes: 4 | Rating: 7 ]
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: 1269 | Votes: 5 | Rating: 5.8 ]
Antennas : Beverage
  • Beverages at N4DJ - N4DJ BOG Beverage on ground
    [ Hits: 514 | Votes: 1 | Rating: 10 ]
Antennas : Four Square
  • 80m 4 square antenna - A project for a ground mounted 4 square antenna by DM9EE
    [ Hits: 585 | Votes: 3 | Rating: 6.33 ]
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
  • No Ground Antenna - A no ground antenna solution for backpackers, balconies or plastic car bodies, like RV or other portables uses where is difficult to find a good counterpoise by PD7MAA
    [ Hits: 784 | 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 ]
  • Double Half Delta Loop - Low Band Receiving Antenna, it is a ground independent Receiving antenna which only needs two 10m support poles by DH1TW
    [ Hits: 482 | Votes: 0 | Rating: 0 ]
Antennas : Theory Antennas : Vertical
  • The 10/15/20 Meter Trap Vertical Antenna - This antenna project came out very nice. It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands. The antenna can be mounted on the ground or on a mast. Mounted on the ground the antenna has a low take off angle for working DX. If mounted on a mast the antenna will acheive both a low angle as well as another radiation lobe that has a much higher take off angle.
    [ Hits: 4152 | Votes: 14 | Rating: 6.08 ]
Operating Modes : WEFAX
  • Double Cross Satellite Antenna - An easy to build antenna for ground reception of NOAA weather or amateur satellite signals. Double cross antenna by Gerald Martes
    [ Hits: 3070 | Votes: 15 | Rating: 4.74 ]
Radio Equipment : VHF-UHF Handhelds Software : Audio Recorders
  • QJackRcd - QJackRcd is a simple stereo recorder for Jack with few features as silence processing for automatic pause, file splitting, background file post-processing.
    [ Hits: 567 | Votes: 0 | Rating: 0 ]
Technical Reference : Grounding
  • Antenna Grounding System - The antenna grounding system at K3DAV that includes 4 coax lines
    [ Hits: 891 | Votes: 2 | Rating: 10 ]
  • 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 ]
  • Grounding and Reducing Noise - Reducing noise and RF in your radio station by grounding your equipment in the proper way. PDF article by Xtal Staff.
    [ Hits: 1297 | Votes: 1 | Rating: 10 ]
  • Ground Radials picture gallery - A large collection of several ground radials installations
    [ Hits: 654 | Votes: 2 | Rating: 8 ]
Technical Reference : Lightning Protection
  • Lightning protection system - A tower grounding project using copper tubing to help protecting an antenna tower by WD0M
    [ Hits: 465 | Votes: 0 | Rating: 0 ]
Technical Reference : RF Design
  • SNR Signal to Noise Ratio - Signal-to-noise ratio is defined as the ratio between the desired signal, and the background noise. In this article, SNR is explained in the deep
    [ Hits: 357 | Votes: 2 | Rating: 2.5 ]

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