circle antenna

circle antenna

Antennas : 2M

• Coax Dipole for 2 meters band - A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
  [ Hits: 250 | Votes: 3 | Rating: 6 ]
• Portable Coaxial Dipole Flower Pot Antenna - A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
  [ Hits: 105 | Votes: 1 | Rating: 8 ]

• 80 Meters 4 Square - 80 Meter 8 circle vertical array antenna at W5ZN
  [ Hits: 628 | Votes: 0 | Rating: 0 ]

• K9AY Loops - A low-band receiving antenna that can fits in a 30-foot circle
  [ Hits: 542 | Votes: 2 | Rating: 5 ]

• 70 cm Lindenblad Antenna - The antenna is a vertical dipole, around which four parasitic elements are forming a circle.
  [ Hits: 1951 | Votes: 2 | Rating: 2.5 ]

• 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 ]

• 9 Circle RX antenna - The receiving antenna setup for the top band, made with a 9 elements vertical antenna array, remote controller and remote relais.
  [ Hits: 437 | Votes: 0 | Rating: 0 ]

• MW Loop Source Book - Buyers guide for new and second hand medium wave loops, how to choose the best loop antenna for your needs.
  [ Hits: 386 | Votes: 0 | Rating: 0 ]

• SardineCanAntenna - Seattle Wireless - Sardine Can Antenna. is a BiQuad or Bi circle - wire length each side (8 x 1/4 waves ) 31 mm
  [ Hits: 10236 | Votes: 13 | Rating: 4.61 ]

• RF Systems - RF Systems develops and produces antennas and accessories for governmental and military organisations, shortwave and scanner listeners, radio amateurs, yachting circles and professional users of receiving and transmitting equipment.
  [ Hits: 738 | Votes: 1 | Rating: 10 ]

• A mobile radio installation - Detailing a Yaesu FT-857 and ATAS-120 installation in a 1997 Toyota Tacoma, the author used Polar Plot to map signal strength. Using a hand truck with a laptop, FT-817, and an Iron Horse antenna, they circled a chalk-outlined 100-foot diameter, revealing potential nulls towards the truck's rear and through the cab, offering insights into antenna performance.
  [ Hits: 44 | Votes: 1 | Rating: 3 ]

• HamCalc v1.3  ^pop - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
  [ Hits: 28848 | Votes: 114 | Rating: 5.57 ]