40m antenna

40m antenna

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• Shortened dipole for 10 & 40m bands - A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.
  [ Hits: 4138 | Votes: 1 | Rating: 1 ]

• Invisible DX antenna for the low bands - Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with low visibility but great performance for long distance communication.
  [ Hits: 7010 | Votes: 8 | Rating: 6 ]

• 40M Reversible Moxon - Moxon antenna project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters.
  [ Hits: 4419 | Votes: 2 | Rating: 9 ]
• 40M Twin Half-Square Array - 40 meters elevated vertical antenna array at VA7ST
  [ Hits: 3481 | Votes: 2 | Rating: 5.5 ]
• 40m & 80m portable wire antenna - G8ODE antenna project, where the 40m & Short 80m antenna was deployed as a sloping wire antenna using the 10M fibre glass fishing pole and a hook on the house's gutter-board
  [ Hits: 3621 | Votes: 6 | Rating: 2.17 ]

• Trapped dipole for 80 and 40 m - This article explores a theoretical model for the losses of an 80m / 40m trapped inverted V dipole antenna system using a bootstrap coax trap, but does not examine the pattern of the antenna.
  [ Hits: 2731 | Votes: 0 | Rating: 0 ]
• Rotatable 40M Dipole - The Linear-Loaded "Crappie" 40M Rotatable Dipole A Short 40 Antenna You Can Build for $50 or Less by VA7ST VE7ASK
  [ Hits: 1929 | Votes: 0 | Rating: 0 ]

• 40m broadband vertical antenna - A loopy loop loaded vertical antenna operating range 7.0 to 7.3 MHz by S. C. Chuck Smith, WA7RAI
  [ Hits: 6569 | Votes: 15 | Rating: 7.52 ]
• Phased 40M Wire Verticals - Experiments with phased wire vertical antennas on 40 meters at VA7ST
  [ Hits: 2925 | Votes: 2 | Rating: 7.5 ]

• Yagi for 80 and 40 meters - Design plan of an array of a two element yagis for 80m and a 3 element 40m antenna sharing a single 12 meters long boom by EA5DY
  [ Hits: 1735 | Votes: 4 | Rating: 6.5 ]

• Capacitive Antennas - HB9MTN Capacitive antennas for 40m, 30m AND 20m
  [ Hits: 1438 | Votes: 2 | Rating: 8 ]

• 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 Dipole for 7.05 MHz - Inverted Vee antenna for 40m with simulation data by DF9CY
  [ Hits: 1626 | Votes: 0 | Rating: 0 ]

• End Fed Half Wave Antenna Coupler - A 40m through 17m Mini End Fed Half Wave Antenna Coupler by Steve Yates - AA5TB
  [ Hits: 4786 | Votes: 4 | Rating: 8.5 ]
• QRO End Fed Half Wave Antenna Coupler - A 40m through 20m QRO End Fed Half Wave Antenna Coupler by Steve Yates - AA5TB
  [ Hits: 3242 | Votes: 3 | Rating: 10 ]

• Noise Reduction on 40m - DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas feed-line.
  [ Hits: 1384 | Votes: 0 | Rating: 0 ]

• Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
  [ Hits: 5037 | Votes: 4 | Rating: 8 ]

• G8JNJ Broadband HF Vertical Antenna - G8JNJ Broadband HF Vertical Antenna - Requires no tuner - great results from 40m to 10m plus 80m & 6m with reduced performance
  [ Hits: 4680 | Votes: 4 | Rating: 7 ]

• 40M Inverted Vee - This simple antenna can be used in various configurations for 40/80/20 or any WARC band or a combination of them
  [ Hits: 3835 | Votes: 1 | Rating: 10 ]

• Moonraker 4 Antenna manual - English manual of the AV-140Moonraker 4 antenna
  [ Hits: 3185 | Votes: 20 | Rating: 6.16 ]

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