x 7 antenna

x 7 antenna

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• Low bands antennas - An article on TX and RX antennae for the low bands 80 and 160m by EI7BA
  [ Hits: 3117 | Votes: 1 | Rating: 7 ]

• Inexpensive 17-Meter Vertical - A low cost, low profile DX antenna fro 17 Meters
  [ Hits: 7820 | Votes: 7 | Rating: 7 ]

• KD6WD Moxon Antenna Project - KD6WD introduce moxon rectangles, and in particular explains how he built a moxon antenna for 15 17 and 20 meters band with excellent pictures
  [ Hits: 8008 | Votes: 7 | Rating: 7.14 ]

• 40 Meter coaxial antenna - An antenna for 40 meter band made entirely of coaxial cable either RG58 or RG59 Au.
  [ Hits: 5222 | Votes: 4 | Rating: 4.25 ]

• 4 el yagi for 50 Mhz - The EF0604S is a compact 4 elements yagi antenna plan for six meters band featuring 8.77 dBi gain and a front back gain of 17.89 dB. Article includes elements dimensions and spacing, along to pictures of some homebrewed examples.
  [ Hits: 3751 | Votes: 10 | Rating: 6.84 ]

• Quadrifilar Helix antenna for 436 MHz - This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.
  [ Hits: 3896 | Votes: 4 | Rating: 4.5 ]
• 440 Mhz J-Pole Antenna plans - Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions aren't typical however, this is what it took to get its SWR low.
  [ Hits: 20944 | Votes: 51 | Rating: 4.8 ]

• Broadbanding the half-square on 80 meters - N6LF discusses a simple way to broadband the classic half-square antenna to operate in both the CW and SSB DX windows on 80/75 meters.
  [ Hits: 2284 | Votes: 2 | Rating: 4.5 ]

• The 7-Hex Driven Vertical Array - The array consists of 7 vertical antennas arranged as 6 verticals in a hexagon shape plus 1 additional vertical in the center of the hexagon
  [ Hits: 1785 | Votes: 0 | Rating: 0 ]

• Rotatable Dipole for 40m-6m - This article describes a simple, inexpensive, dipole antenna that will rival the performance of a ten-meter beam.
  [ Hits: 4842 | Votes: 8 | Rating: 8.25 ]
• Wire antenna with coaxial cable traps - This multiband antenna 10-80 meters is a home made project by I1BAY. Has been used for SOTA activations with great results. Traps are done with coax cable turns, dimensions are in the attached schema.
  [ Hits: 9251 | Votes: 3 | Rating: 7 ]

• N2CX on End-Fed Halfwave Antennas - This original N2CX article was first published in the 72 newsletter back in 1997 or 1998.
  [ Hits: 4101 | Votes: 2 | Rating: 10 ]
• Halfer End-Fed Halfwave Antenna  ^pop - End-Fed Half-Wave Antenna for the 7 or 10 MHZ amateur bands intended to provide a very simple to erect yet effective portable QRP antenna.
  [ Hits: 25806 | Votes: 14 | Rating: 8.07 ]

• Hex Beam by K4KIO - This site provides guidelines to build a G3TXQ broad band hex beam RF antenna for the 5 ham radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ hex beam is a new development and actually easier to build than the classic hexbeam.
  [ Hits: 6728 | Votes: 13 | Rating: 8.77 ]

• Copper Cactus J pole 2 metter 70 Cm dualband - Homebrew a j-pole 2mt and 70 cm antenna project. Make it cheap. This article includes homebrewing instructions, parts lists, tools needed and printable documentation.
  [ Hits: 10355 | Votes: 29 | Rating: 6.35 ]

• X-Beam antennas - Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR
  [ Hits: 4041 | Votes: 11 | Rating: 7.46 ]

• 7 Mhz traps for W3DZZ - Homebrewing traps for the W3DZZ wire dipole Antennas. Article in Dutch with some interesting pictures
  [ Hits: 15715 | Votes: 28 | Rating: 4.89 ]

• Tape Measure Antenna - A tape measure beam antenna, optimized for fox hunting with a 7.3 dBd gain
  [ Hits: 644 | Votes: 1 | Rating: 10 ]

• A Coax Switch - An inexpensive coax switch. shows a proven inexpensive home-made antenna selection switch. If you question the use of a cheap slide switch and SO239 coax sockets, read on. Measurements in a physics lab showed there to be practically no reflection on HF and even on 70 cm the SWR was below 1.3 : 1
  [ Hits: 9682 | Votes: 8 | Rating: 7.5 ]
• Beverage antenna switch - How could we share the Beverage antennas on more than one station using this homemade remote antenna switch, a project by TK5EP
  [ Hits: 1656 | Votes: 1 | Rating: 10 ]

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