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• Endfed 20/30 Mtr Antenna - Article with detailed pictures of an endfeed antennna for 20 and 30 meter band
  [ Hits: 11350 | Votes: 4 | Rating: 4.75 ]

• K7MEM Center-Fed Half-Wave Dipole ( 3-30 MHz) - A Center-Fed Half-Wave Dipole is probably the simplest of antennas to construct and use. It is usually suspended between two supports, from it's end insulators, and has the feedline hanging from the center.
  [ Hits: 4112 | Votes: 11 | Rating: 6.27 ]

• Better Feedline Loss Measurements with Antenna Analyzers - Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation
  [ Hits: 1923 | Votes: 2 | Rating: 10 ]
• Transmission Lines - About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART
  [ Hits: 604 | Votes: 1 | Rating: 8 ]

• Helical Feed Antennas - Helical antennas have long been popular in applications from VHF to microwaves requiring circular polarization, since they have the unique property of naturally providing circularly polarized radiation. Paul Wade W1GHZ
  [ Hits: 1918 | Votes: 2 | Rating: 3 ]

• Antenna Impedance measurement - When experimenting on an antenna it's often important to determine its feedpoint impedance at various frequencies across the operating band. It's easy enough to measure SWR, but sometimes we need to know more detail than this
  [ Hits: 1426 | Votes: 6 | Rating: 2.67 ]

• Super J-Pole for 435MHz - The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf
  [ Hits: 3370 | Votes: 6 | Rating: 5 ]
• The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.
  [ Hits: 6291 | Votes: 5 | Rating: 6 ]

• Building the WiFi parabolic antenna - Building a Bell ExpressVu satellite dish with a waveguide coffee can cantenna feed, and a Netgear USB Rangemax wifi card (WPN111).
  [ Hits: 14144 | Votes: 24 | Rating: 8.17 ]

• Off-Center Feed - The Windom Antenna - The Windom antenna was widely used in the 1930s and is named after the amateur that wrote a comprehensive article about it
  [ Hits: 3570 | Votes: 1 | Rating: 2 ]

• Grants Pass Police Live Feed - Tune in live to the Grants Pass DPS police radio and Josephine County Sheriff's Office radio feeds.
  [ Hits: 2587 | Votes: 20 | Rating: 4.66 ]
• Las Vegas Live Scanner  ^pop - Las Vegas, Nevada Police and Fire Live Scanner. Listen to online radio feed.
  [ Hits: 45694 | Votes: 241 | Rating: 7.87 ]
• Walton county Georgia sheriff and fire scanner - Live Walton County Sheriff, Fire, and EMS Radio
  [ Hits: 2344 | Votes: 9 | Rating: 6.44 ]
• Minnesota - Willmar Police & Fire-EMS Scanner Feed - WILLMAR MN KANDIYOHI CO. Police fire EMS highway dept.
  [ Hits: 4510 | Votes: 16 | Rating: 8.69 ]
• Miami & Miami Beach Police Radio  ^pop - Miami live police scanner feed provided by melsgarage.com
  [ Hits: 47864 | Votes: 179 | Rating: 4.47 ]
• Douglas: Live Douglas County Sheriff - Douglas County Sheriff dispatch channel
  [ Hits: 4336 | Votes: 25 | Rating: 6.12 ]

• Run your own live feed - This tutorial will get you on the road to running your own live scanner feed on the Internet, be it railroad, fire/ems or law enforcement related.
  [ Hits: 596 | Votes: 0 | Rating: 0 ]

• RailroadRadio.net - Live railroad scanner radio communications. Offer forums and links to several live railroad radio feeds
  [ Hits: 4744 | Votes: 16 | Rating: 8.26 ]

• Online Calculators for Radio & Electronic Design - Online calculators for toroid coil, air-core coil inductance, XL, XC, and more.
  [ Hits: 1924 | Votes: 3 | Rating: 9.33 ]

• LA6PB's split dipole - A new method of feeding a dipole with toroids.
  [ Hits: 4118 | Votes: 4 | Rating: 9.25 ]

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