4 meter

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4 meter

850 links - and 11 categories

Antennas : 10M
  • 10 Meter Wire Jpole - A vertical wire J-pole antenna for 10 meter, an en-fed zepp for 28.4 MHz
    [ Hits: 10974 | Votes: 5 | Rating: 5 ]
Antennas : 15M
  • HF Copper Loop for 20 and 15 meters - A Small Transmitting Loop Antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR
    [ Hits: 7741 | Votes: 1 | Rating: 5 ]
Antennas : 160M
  • 160 Meter short TX loop antenna - Here is a successful 160 Meter short TX loop antenna 4 feet high, 3 feet wide, and 6 inches deep.
    [ Hits: 8379 | Votes: 4 | Rating: 5.25 ]
Antennas : 40M
  • Bazooka antenna for 40 meters - A bazooka antenna project for the 7 Mhz, includes dimension for to homebrew your own bazooka for HF bands
    [ Hits: 8641 | Votes: 13 | Rating: 6.69 ]
  • 40 meter 4-square antenna - A permanent working 40 meter system based on a 4-square antenna
    [ Hits: 7867 | Votes: 3 | Rating: 4.33 ]
  • NVI 40 Meter Antenna Modeling - The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.
    [ Hits: 3003 | Votes: 0 | Rating: 0 ]
  • W1ZY 40 meter moxon antenna - W1ZY's 40 Meter MOXON is the product of 9 months of experimentation. The final array is reversible and constructed from No. 12 insulated wire fed through two RF current baluns
    [ Hits: 3341 | Votes: 2 | Rating: 6 ]
  • JA7KPI Windom antenna for 40-80 - The total length of this antenna is 41m, height is about 11m, and diameter of element is 2mm. JA7KPI modified this antenna originally used as Inverted-V type of 80m band Dipole. Works on 40 - 80 meters band with acceptable swr.
    [ Hits: 7709 | Votes: 8 | Rating: 6.25 ]
Antennas : 40M : 40 meter Loop Antennas
  • 40-meter Rectangular Loop Antenna - A 40-meter antenna that provides good local and regional coverage during the day and good DX capability at night
    [ Hits: 2245 | Votes: 2 | Rating: 3.5 ]
Antennas : 40M : 40 meter Vertical Antennas
  • The Hudson antenna - A vertical antenna for 80 and 40 meters project with lots of assembling pictures and plan by LU9DPD in spanish
    [ Hits: 2813 | Votes: 1 | Rating: 10 ]
  • Backyard 7 Mhz Vertical - A vertical antenna for 40 meters band by PA5MW
    [ Hits: 1322 | Votes: 0 | Rating: 0 ]
Antennas : 6M
  • Hex Beam for 6 meters - This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL
    [ Hits: 4660 | Votes: 6 | Rating: 7 ]
  • K0FF's 6 meter SLOOP antenna - It is more or less omni-directional, and horizontally polarized, it's just a dipole folded around on itself, and supported at the far (open) end with a plastic insulator.
    [ Hits: 4040 | Votes: 9 | Rating: 5.01 ]
Antennas : 80M
  • K5LAD 80 meter antenna - A successful 80 meter antenna only 38 feet high on one end and 4 1/2 feet on the other
    [ Hits: 782 | Votes: 0 | Rating: 0 ]
  • Broad Band Dipole for 80m - Mesh constructed with enamelled wire 0.5 mm diameter For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB
    [ Hits: 3935 | Votes: 2 | Rating: 2.5 ]
Antennas : Magnetic Loop
  • HF Magnetic Loop Antenna - Local and DX contacts from tight spaces, it works from 40 to 17 meters
    [ Hits: 2426 | Votes: 2 | Rating: 7 ]
DX Resources : Beacons : 10 meter beacons
  • KB9NK - 10 Meter Beacon - 28.2845 Mhz Location: Jamestown Township, Michigan USA - Grid EN72bu
    [ Hits: 302 | Votes: 1 | Rating: 10 ]
DX Resources : Beacons : Beacon stations
  • IZ3DVW/B - 40meter band beacon on 7,039.6 MHz
    [ Hits: 843 | Votes: 3 | Rating: 6 ]
Technical Reference : QRP Projects : QRP CW Transceiver
  • 40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer
    [ Hits: 9476 | Votes: 7 | Rating: 6.85 ]
  • 500mw CW Transmitter - A very quick and easy way to get on the air is to build a "Michigan Mighty Mite" CW transmitter for 160, 80, 40 or 30 meters. It can't get simpler than this. It has very few parts, costs almost nothing, and it works! Cost estimate $10 by VE6WTF
    [ Hits: 9548 | Votes: 9 | Rating: 5.78 ]

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