log antenna
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Antennas : 2M- 2m Quad Antenna
- A basic drawing of a 2 meter quad antenna for 144 MHz
[ Hits: 2330 | Votes: 5 | Rating: 5 ]
- 3 Element Yagi for 40 Meters
updated
- An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band
[ Hits: 1082 | Votes: 2 | Rating: 5 ]
- Building and Using an Experimental Beverage
- An interesting article about planning and testing beverage antennas for 80 and 160 meters in a rural location
[ Hits: 787 | Votes: 3 | Rating: 5.33 ]
- The 40/30 Pyramid
- A dual band delta loop antenna resonating on 30 and 40 meters band using a single wire for the top slopers on both 30 and 40 meters and does not need any balun
[ Hits: 704 | Votes: 0 | Rating: 0 ]
- A 10-6-4 three band dipole antenna
- A home made dipole antenna for 10m, 6m, 4m bands made with two sections of 450 and 300 Ohm ladder lines, cut to achieve acceptable SWRs on all bands
[ Hits: 1016 | Votes: 5 | Rating: 8.2 ]
- Chocking the End-Fed Antenna
- Stop common-mode current when transmitting with an end-fed antenna. Unbalanced antennas are very prone to currents on the outside of the coax.
[ Hits: 828 | Votes: 1 | Rating: 8 ]
- Testing Dipole vs Indoor Magnetic Loop Antenna
- Testing performances of indoor antenna. A comparison of a magnetic loop antenna vs a classic wire dipole done using wsprlite on 30 meters band.
[ Hits: 855 | Votes: 2 | Rating: 5.5 ]
- Log Periodic Antenna
- An article explaining features and characteristics of amateur radio log periodic antennas
[ Hits: 454 | Votes: 1 | Rating: 8 ]
- Log periodic 4 elements
- A homebrew four elements log periodic antenna for HF bands
[ Hits: 727 | Votes: 2 | Rating: 9 ]
- Horizontal Loop Antenna Experiments
- The HF horizontal loop has been around for many years now. This article includes a YouTube video and discusses the reasons for looking at this antenna, its design, and its installation. There are some on-air comparisons against three regular double bazooka (coax) dipoles and the Par SWL End-Fed antenna.
[ Hits: 926 | Votes: 5 | Rating: 8 ]
- Wall Loop for 20m
- This max size magnetic loop antenna for 14 MHz with a totall circumference of 6m is designed to attach to a wall
[ Hits: 1418 | Votes: 2 | Rating: 1 ]
- 2m Band Moxon
- Moxon is a rectangle shaped directional antenna, originally designed by Les Moxon G6XN. There are couple of advantages of using this antenna. It is small in size, Easy to mast, Balanced to 50 Ohms, Near 1:1 SWR, Excellent Front to Back (F/B) ratio, Large bandwidth
[ Hits: 583 | Votes: 1 | Rating: 6 ]
- 435 MHz satellite receiving antenna
- A UHF antenna for satellite reception. Anntenna mast is in wood, made with two aluminium rods
[ Hits: 1533 | Votes: 4 | Rating: 6 ]
- A Ground Plane Antenna for NOAA Weather Stations
- An introduction to antennad including a DIY assembly instruction for a A Ground Plane Antenna for NOAA Weather Stations
[ Hits: 2180 | Votes: 11 | Rating: 7 ]
- 40 m short vertical
- A shortened and invisible wire antenna for 7 MHz
[ Hits: 6190 | Votes: 17 | Rating: 7.65 ]
- LB3HC's hightech blog
- LB3HC's hightech blog - Amateur radio, RF design, electronics, uC, software, Arduino, AVR, Antennas
[ Hits: 185 | Votes: 0 | Rating: 0 ]
- VK4ZXX Ham Radio Projects Brisbane
- Ham radio, amateur radio, satellite communication, radio, radios,antenna, antenna design, yagi, cross yagi, power divider, splitter, Brisbane.
[ Hits: 246 | Votes: 0 | Rating: 0 ]
- NMF Technology
- Amateur radio antenna accesories manufacturer, produces four square antenna combiner, antenna controllers, antenna stack match and antenna switches
[ Hits: 153 | Votes: 2 | Rating: 10 ]
- Arduino Antenna Rotator Controller
- This is an attempt to build an Antenna rotator controller using Arduino Mega 2560 with a nice user interface showing the actual position of the antenna.
[ Hits: 2316 | Votes: 14 | Rating: 6.71 ]
- Magnetic Loop RF Safety
- Notes on the intensity of RF Field calculated on magnetic loop antennas. The magnetic field intensity of a mag loop is considerably higher than the E field probably due to the inductive portion of the resonant circuit creating the radiation (magnetic) in the near field
[ Hits: 856 | Votes: 3 | Rating: 4 ]
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