iff antenna

iff antenna

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• Quad Antenna System by Pfeiffer Maltese  ^pop - Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in this pdf file project by Pfeiffer Maltese
  [ Hits: 39227 | Votes: 13 | Rating: 7.54 ]

• Wire antennas for the low bands - Experiments by G8JNJ on wire antennas for low bands. Based on these tests, conclude that for multiband (160 to 6m) operation, in a restricted area it is very difficult to beat a G5RV, especially the ZS6BK version.
  [ Hits: 3100 | Votes: 3 | Rating: 7.33 ]
• The 160M No-Excuses Homebrew Vertical - 160m antenna designed for stations having a difficult time putting a decent signal on 160M from small or restricted lots.A 25 ft. vertical antenna, made from three 10 ft. PVC.
  [ Hits: 1262 | Votes: 4 | Rating: 7.75 ]

• The Six Meter OCF Sleeve Dipole Vertical - A slightly different 6M antenna project by N1GY, an Off center fed antenna for the 50 MHz.
  [ Hits: 3411 | Votes: 6 | Rating: 7 ]

• MultiBand Dipole - Different band dipoles can be put together with a single feed, learn how by W8HDU
  [ Hits: 2313 | Votes: 2 | Rating: 7 ]

• End-fed Vertical and J-pole - Understanding Gain differences, j-pole and end-feed vertical antennas.
  [ Hits: 1561 | Votes: 1 | Rating: 1 ]

• Antenna Feeders - Different types of feeders, SWR and matching
  [ Hits: 492 | Votes: 1 | Rating: 2 ]
• HF Antenna Switch - The purpose of this remote antenna switch was to be able to select between four different antenna combinations The unit was designed to work at RF power levels of around 100 watts by G8JNJ
  [ Hits: 954 | Votes: 0 | Rating: 0 ]
• Feeder Radiation - Connecting centre fed antennas, dipoles, yagis, rhombics, loops to coaxial cable, unless care is taken, it is not difficult to end up with feeder radiation resulting in power loss and the radiation characteristics changes
  [ Hits: 1830 | Votes: 4 | Rating: 8 ]
• Feeder types - Article descrive the different types including coax and open-wire feeder and waveguide.
  [ Hits: 337 | Votes: 0 | Rating: 0 ]

• PVC Yagi antennas - techniques - Collection of different techniques to homebrew PVC yagi antennas, including elements assembling, baluns and chokes, radiator box tips and tricks by dk7zb
  [ Hits: 1609 | Votes: 4 | Rating: 3.5 ]

• Half Square vs Loop SkyWire Antenna - An article at NFARL web site about differences in setting up a half-square antenna versus a Loop Skywire by W4QO
  [ Hits: 944 | Votes: 0 | Rating: 0 ]

• The Quadrifilar Helix Antenna - Article about quadrifilar helix antennas, electrical and physical characteristics, difference between quadrifilar and conventional helix antenna
  [ Hits: 2430 | Votes: 5 | Rating: 7.2 ]

• HF Skeleton Slot - An antenna system with a difference. It is a cheap and simple to make antenna, can be built with three bamboo spreaders and wire
  [ Hits: 1100 | Votes: 2 | Rating: 9 ]

• Measuring 2.4 GHz Helix Antennas - It is not very difficult to design and make a helix antenna for a specific frequency and gain. It is more difficult for the serious experimenter to make precise measurements of the finished antenna.
  [ Hits: 748 | Votes: 5 | Rating: 9.2 ]
• Stacking yagis on a single tower - How to stack different band yagi antenna in a single tower
  [ Hits: 321 | Votes: 0 | Rating: 0 ]

• Verdant - Designer and manufacture of Airborne Antenna & Radomes covering a range of applications. Products include vhf antenna ,uhf antenna,navigation antenna,comm antenna,blade antenna,vor/ils antenna ,L band antenna, direction finding antenna,DF antenna,vor,ils, IFF antenna on aircraft,aircraft antenna for airborne application.
  [ Hits: 598 | Votes: 1 | Rating: 2 ]

• DX-Wire - German internet shop for difficult-to-find components, which are used by radio amateurs. Antenna parts, masts and mounts, cables connectors, wires, rf-chockes, toroids cores, twin-lead, teflon -strand, insultators
  [ Hits: 4206 | Votes: 6 | Rating: 6.67 ]

• Automatic Antenna Switch - Remotely controlled antenna switch that can switch between 5 different antennas by VK2GWK
  [ Hits: 2433 | Votes: 1 | Rating: 1 ]

• Portable RF Sniffer and Power Meter - Whether we are tuning up homebrew equipment, checking antenna VSWR, adjusting a linear amplifier, or just monitoring output power during a contest, almost all aspects of ham operation can use a power meter. Paul Wade W1GHZ
  [ Hits: 1787 | Votes: 1 | Rating: 10 ]

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