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Home : Antennas : 10M

  • 10 Meters EH Antenna  updated  pop - PDF file with plans to build an eh antenna for 10 meters band, by lloyd butler VK5BR
    [ Hits: 30075 | Votes: 33 | Rating: 5.24 ]
  • 2 element Quad antenna  updated  pop - Detailed instructions about a 2 elem. quad antenna for 10,12 and 15 meters band, by iz7ath, Talino
    [ Hits: 58577 | Votes: 82 | Rating: 4.62 ]
  • 40 thru 10 Meter Zepp Antenna  pop - A modified 20 meter double zepp wire Operating Bands: 40 thru 10 meters (with tuner), basic construction and performance information.
    [ Hits: 79453 | Votes: 63 | Rating: 5.75 ]

Home : Antennas : 160M

  • 80 Meters frame antenna  pop - Frame antenna for 80 and 160 meters band
    [ Hits: 61191 | Votes: 79 | Rating: 5.28 ]

Home : Antennas : 20M

  • 20m delta loop  updated  pop - This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern
    [ Hits: 55810 | Votes: 41 | Rating: 5.93 ]

Home : Antennas : 20M : 20 meter Yagi antennas

  • 2-Element-Yagis for HF  updated  pop - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
    [ Hits: 42663 | Votes: 118 | Rating: 4.67 ]

Home : Antennas : 2M

  • 2 meter Quagi 97  pop - Dimensions and plan to build a W5UN EME quagi antenna
    [ Hits: 29887 | Votes: 38 | Rating: 6.30 ]
  • 7 Elements YAGI for 144 Mhz  updated  pop - The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz SSB/MGM band, in PDF Format
    [ Hits: 36672 | Votes: 29 | Rating: 5.68 ]
  • 9 element yagi for 2 meters band  pop - A simple design of a 9 elem. yagi antenna for 2 meters band
    [ Hits: 44305 | Votes: 234 | Rating: 5.10 ]
  • A 146 Mhz J-Pole Antenna  updated  pop - A 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build.
    [ Hits: 104670 | Votes: 128 | Rating: 5.07 ]

Home : Antennas : 40M

  • 40m/80m Portable antenna  pop - Portable antenna for 40 and 80 meter
    [ Hits: 54168 | Votes: 17 | Rating: 6.06 ]
  • 7 MHz Vertical antenna  pop - 7 MHz Vertical antenna for ham radio - 40 meter band in spanish
    [ Hits: 29310 | Votes: 87 | Rating: 8.58 ]

Home : Antennas : 6M

  • 3 Element Yagi for Six meter band  pop - Plans for 3 elements beam antenna and gamma matches
    [ Hits: 37037 | Votes: 22 | Rating: 5.46 ]
  • 50 Mhz Dipole  pop - This article describes a simple but effective wide bandwidth six metre antenna
    [ Hits: 43768 | Votes: 66 | Rating: 4.95 ]
  • 50MHz J-Pole Antenna  pop - Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
    [ Hits: 30898 | Votes: 12 | Rating: 6.75 ]

Home : Antennas : 70cm

  • 70 cm ATV Antennas  pop - Home made antennas, ATV stuff, 70 cm antennas, helix antennas and a lot of intresting pictures to view
    [ Hits: 35707 | Votes: 87 | Rating: 5.56 ]

Home : Antennas : 80M

  • 80 Meters EH Antenna plan  pop - Building this antenna is very easy and inexpensive, 6 Foot EH Antenna
    [ Hits: 38905 | Votes: 47 | Rating: 5.36 ]
  • 80 meters wire antenna  pop - A reduced-size 80-meter antenna designed for small lots, portable use, and a fine companion for QRP
    [ Hits: 39998 | Votes: 21 | Rating: 4.33 ]
  • A $50 Beverage  pop - This antenna makes 80 and 160 enjoyable. Less than $50 to hear Europeans all summer on the LF bands seems like a good deal if you have the space!
    [ Hits: 37485 | Votes: 11 | Rating: 5.27 ]

Home : Antennas : Baluns : 1 to 1 Balun

  • A 1:1 Coaxial Balun  updated  pop - PDF article on a coaxial 1:1 balun by I0QM
    [ Hits: 41055 | Votes: 14 | Rating: 4.56 ]

Home : Antennas : Baluns : 4 to 1 balun

Home : Antennas : Collinear

  • 5/8 Collinear antenna  pop - A 5/8 wave stacked j-pole antenna plan
    [ Hits: 51280 | Votes: 74 | Rating: 4.57 ]
  • 6dB colinear VHF antenna  pop - Building details of a VHF colinear antenna with 6 db gain
    [ Hits: 55067 | Votes: 65 | Rating: 5.50 ]

Home : Antennas : Delta loop

  • 40 Meter Parasitic Delta Loop  pop - 40 Meter 2 element full size parasitic delta loop wire beam construction and switchable
    [ Hits: 30808 | Votes: 30 | Rating: 6.53 ]

Home : Antennas : Halo

  • 6 meter omni halo  pop - This halo is made with a true Gamma Section this time and is fashioned from aluminum
    [ Hits: 31712 | Votes: 25 | Rating: 4.48 ]

Home : Antennas : Helical

  • 13 cm Helix Antenna  pop - Here is the design of a 2.4 GHz antenna that is ideal for amateur satellite communications. This antenna is easy to assemble because the design itself tolerates inaccuracies in the construction without really affecting performance.
    [ Hits: 60813 | Votes: 65 | Rating: 5.94 ]
  • 2.4Ghz Helix antenna  updated  pop - Concise instructions on making a broadband helical antenna for 2.4GHz use, such as: 802.11b wireless networking 2.4GHz video links.
    [ Hits: 46664 | Votes: 82 | Rating: 5.84 ]

Home : Antennas : J-Pole

  • 144-430 portable j-pole antenna  updated  pop - A portable dual band j-pole antenna
    [ Hits: 40296 | Votes: 25 | Rating: 5.88 ]
  • 2 Meter J-pole from 450-Ohm Ladder Line  updated  pop - Great first time J-pole project. Covers most of the basics. This small and thin design also makes it good for several stealth applications.
    [ Hits: 39897 | Votes: 43 | Rating: 7.24 ]
  • 6 Meter J-Pole Antenna  pop - Amateur radio project by W8CWE
    [ Hits: 57421 | Votes: 107 | Rating: 6.48 ]

Home : Antennas : Loop

  • 160 meter full wave loop antenna  pop - The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner
    [ Hits: 87885 | Votes: 99 | Rating: 6.64 ]

Home : Antennas : Magnetic Loop

  • 160/80m Coaxial Receiving Loop Antennas  pop - Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.
    [ Hits: 57502 | Votes: 52 | Rating: 6.06 ]

Home : Antennas : Multiband

  • 6-Band Windom antenna  pop - Theory and construction of a novel trapless center-loaded off-center-fed (cl-ocf) dipole or windom antenna for the 80, 40, 30, 20, 15 and 10m hf amateur radio (ham) bands
    [ Hits: 41428 | Votes: 28 | Rating: 6.07 ]

Home : Antennas : Vertical

Home : Antennas : WiFi

  • 14Km 802.11B link test  updated  pop - G7EYT, Carl - G6NLC and Neil - M1NCD sucessfully completed a 14Km range check with 802.11B equipment and home built antenna's.
    [ Hits: 38589 | Votes: 39 | Rating: 5.45 ]
  • 2.4GHz Cubic Quad Antenna  updated  pop - The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 odd MHz. Our little project was to design one of these for use in the 2.4GHz range for 802.11 wireless LANs.
    [ Hits: 34861 | Votes: 63 | Rating: 5.52 ]
  • 43.33 Km LOS with USB WiFi stick  pop - Simple USB 802.11b WiFi adapter with original antenna test by adam 9A4QV.
    [ Hits: 47936 | Votes: 79 | Rating: 5.55 ]
  • 802.11b Homebrew WiFi Antenna Shootout  pop - Guide to homebrew your wifi antenna, using a tin can, in this cases using a pringles can. This antennas are also known as cantenna and let you spread your wifi signal.
    [ Hits: 69556 | Votes: 53 | Rating: 6.68 ]
  • A 2.4 Ghz High gain antenna  pop - Here is how to build a high gain antenna for 2.4 gHz wireless networks. Several hams are experimenting with these devices in an effort to build a network. It is sometimes referred to as Hinternet or HSMM.
    [ Hits: 58064 | Votes: 76 | Rating: 5.88 ]

Home : Operating Modes : Mobile : Bicycle

  • 2 Meters Bicycle Antenna  pop - 2 Meter Antenna for Bicycle Mobile Operation
    [ Hits: 35563 | Votes: 21 | Rating: 3.44 ]

Home : Software : Antenna analysis

  • 4NEC2 antenna modeler  updated  pop - 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler. Can be interfaced to HFwin32 propagation prediction software.
    [ Hits: 26590 | Votes: 121 | Rating: 7.28 ]

Home : Technical Reference : Amplifiers : HF Amplifiers

  • 1.5 to 30 Mhz RF Amplifier  updated  pop - This high range amplifier is very small [SB200 size] Vacuum variable input and output caps as well input and output switching.
    [ Hits: 49974 | Votes: 34 | Rating: 3.52 ]
  • 600 Watt HF Amplifier  pop - Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier
    [ Hits: 66135 | Votes: 111 | Rating: 4.53 ]

Home : Technical Reference : Mic wiring

  • 11 Most Popular MIC Wiring Diagrams  updated  pop - 11 most popular MIC wiring diagrams including AZDEN Alinco Icom Kenwood Yaesu Astatic Cobra Sadelta Turner microphens diagrams and pin-end views
    [ Hits: 95183 | Votes: 147 | Rating: 5.73 ]

Pages: 1 2 3 4 5 6 [>>]

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