4 metre antenna

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4 metre antenna

19 links

Antennas : 160M

  • A Practical Antenna for 160 Metres  pop - 140 feet of insulated wire, the first half of which (70 feet) is space wound on an insulated tube.
    [ Hits: 88993 | Votes: 44 | Rating: 6.56 ]
  • G3YXM Small Loop - This simple antenna is capable of remarkable results on 160, 80 and 40 metres. Forming a triangle from around 50 feet of satellite TV coaxial cable, the top of the triangle can be as low as 15 feet, and the lower side just high enough to prevent a passer by hanging themselves
    [ Hits: 3361 | Votes: 1 | Rating: 9 ]
Antennas : 20M
  • VK5BR 20-40 Metre EH Antennas  pop - How to construct a very small but efficient Antenna with PVC Plumbing tube and discarded fruit cans. - Just the thing to fit in a small space such as the house attic
    [ Hits: 30987 | Votes: 16 | Rating: 7.92 ]
Antennas : 20M : 20 meter Dipole Antennas Antennas : 2M
  • VHF TX Loop - VHF Antenna in a lunchbox. The magnetic loop on two metres band Lloyd Butler VK5BR
    [ Hits: 4362 | Votes: 4 | Rating: 4.5 ]
  • 144 MHz 5/8 whip antenna - Making your own 2 metre (146 MHz) 5/8th wave whip antenna
    [ Hits: 6653 | Votes: 28 | Rating: 6.53 ]
Antennas : 40M Antennas : 4M
  • 70MHz Delta Loop Antenna - A delta loop antenna for the 4 meter band by GW7AAV
    [ Hits: 1065 | Votes: 5 | Rating: 7.6 ]
  • 70 MHz Delta Loop - A simple delta loop antenna for the four metre amateur radio band
    [ Hits: 382 | Votes: 5 | Rating: 6.6 ]
Antennas : Fan Dipole
  • QRP Fan Dipole - Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres, specifically 40, 20, 17, 15 & 10 meter band
    [ Hits: 7748 | Votes: 5 | Rating: 8.4 ]
Antennas : HB9CV
  • How to make a HB9CV - The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd. This one is for two metres but it can be scaled, from the dimensions in the diagram, for other bands I have also made them for four and six metres
    [ Hits: 803 | Votes: 2 | Rating: 1.5 ]
Antennas : Handhelds
  • 2m HT antenna shootout - G4ILO compares popular antennas for 2 metre band handhelds so as to see how much you lose using a small inconspicuous antenna or how much you gain by using a long antenna.
    [ Hits: 631 | Votes: 4 | Rating: 6.5 ]
Antennas : J-Pole
  • A Dual Band VHF/UHF J Pole - This antenna provides continuous coverage of the 2 metre (144-148MHz) and 70cm (430-450MHz) bands and is an excellent choice for base station use.
    [ Hits: 1525 | Votes: 5 | Rating: 5.4 ]
Antennas : Loop
  • Cheap antenna to make from 160m - 6m  pop - The antenna is nothing more than a simple 2.4 metre square loop drawing pinned to the internal brick wall of the spare bedroom. Yep, thats right, the inside wall of the spare bedroom - ideal for flat dwellers, hotel rooms or whinging neighbours, The loop has a simple switched inductance at the top of the square loop and uses a simple coaxial stub to tune the antenna. An additional variable capacitor placed across the feedpoint can be used to fine tune the resonance of the antenna, by Andy G0FTD
    [ Hits: 42924 | Votes: 21 | Rating: 7.67 ]
Antennas : Portable
  • A Portable Multi-Band Magnetic Loop Antenna  pop - Described here is a simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres, but by changing the overall length of the wire coverage of other bands is feasible
    [ Hits: 33726 | Votes: 10 | Rating: 6.2 ]
  • Portable 2 meter Yagi - Building a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use.
    [ Hits: 1218 | Votes: 8 | Rating: 6.79 ]
  • Portable link dipole - A lightweight inverted vee antenna that can be supported by a 10 metre long fiberglass squid pole. The antenna is designed to cover 10, 15, 20, 40 and 80 m bands.
    [ Hits: 1485 | Votes: 1 | Rating: 5 ]
Antennas : Vertical Technical Reference : SWR Meters
  • WiFi SWR meter - An home made SWR meter for 2.4 GHz. A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.
    [ Hits: 1277 | Votes: 6 | Rating: 2.83 ]

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