home brew

463 links - and 5 categories

The 160M No Excuses Homebrew Vertical - This antenna is designed for stations having a difficult time putting a decent signal on 160M from small or CC&R d lots. It is a 24.5 ft. vertical antenna, made from three 10 ft. PVC sections bolted together, and half wavelength of antenna wire helically wound around the PVC sections.
[ Hits: 405 | Votes: 0 | Rating: 0 ]

Vertical Antenna for 30 meters band - Homebrew 30 meter full quarter wave vertical antenna.
[ Hits: 579 | Votes: 1 | Rating: 7 ]

Homebrew 6 Element Yagi for 70cm - A fun little project I did over a couple of days was making this little 6 element yagi for 70cm. There are so many designs and ways one can do this so after some reading of different designs and measurements
[ Hits: 400 | Votes: 2 | Rating: 7.5 ]

Multi-band End-Fed Antenna - An excellent guide to homebrewing multi band end-fed antennas. The article, embed several drawings including diagrams and detailed pictures, illustrating the basic funcionality of end-fed antennas. The author gives some basic hints on how to build a half size antenna for 80 40 to 10 meters and a 6 meter to 40 meter configuration. It is also well described how to build the impedance transformer and the loading coils for lower bands.
[ Hits: 1105 | Votes: 6 | Rating: 4.5 ]

End Fed Half Wave Antenna Coupler - A home made end-fed half-wave antenna coupler with antenna lenght calculator and counterpoise calculator based on center frequency. Includes pictures and drawings along to antenna homebrewing instructions with a home made on air wound transformer
[ Hits: 282 | Votes: 0 | Rating: 0 ]
The End-Fed Half-Wave Antenna - Presentation - A very well done presentation about End-Fed Half-Wave antennas. This PDF document contains a summary of experiences in how to build custom EFHW antennas. Includes an interesting comparison table of UnUn configurations with recommended toroids, Wire size, turns and capacitors. An useful recap on common errors in building homebrew EFHW Ununs completes the document.
[ Hits: 406 | Votes: 3 | Rating: 8.67 ]

Fan Dipole Antenna for 40 20 and 6 meters - A fand dipole antenna home made for the 7,14,50 MHz. This article descbribes how to homebrew the antenna, hot to setup and some SWR measurements.
[ Hits: 329 | Votes: 0 | Rating: 0 ]

Magnetic Loop antenna for VHF - A magnetic loop antenna for the VHF band, featuring a high gain that can be compared to a quarter wave vertical antenna
[ Hits: 734 | Votes: 9 | Rating: 5.99 ]

The Cubical Quad is Beautiful - An interesting page about Quad antennas. Modelling QUAD antennas, comparing quad antennas to yagi antennas. Information on QUAD Antenna tuning and home brewing with help on calculating dimensions and tuning.
[ Hits: 2686 | Votes: 4 | Rating: 10 ]

Home Brew Fold Over Tower - A Tower Project at WOIVJ. A pictorial story of the erection of a 40 foot, self-supporting, fold-over tower.
[ Hits: 368 | Votes: 0 | Rating: 0 ]

Homebrew 5/8 Wave HF Vertical Antennas - The advantage of 5/8 wave antenna is that it has the lowest angle of radiation and has about 1dB more gain when compared to 1/4 and 1/2 verticals. So the 5/8 should be the favourite choice for DX.
[ Hits: 714 | Votes: 2 | Rating: 8 ]

IV3ONZ's Ham Radio Blog - Ham radio activity and homebrew from Italy with some interesting article on QRSS, decoding interfaces, APRS and antennas
[ Hits: 200 | Votes: 2 | Rating: 10 ]

The UHF Bicycle Antenna - Homebrewing a UHF antenna to be used on a bicycle. This simple project gives you the right hints on how to build and setup and install a 70cm antenna on a bicycle.
[ Hits: 192 | Votes: 0 | Rating: 0 ]

Getting Started with Satellite Communications - An introduction article about how to start with amateur radio satellite communication. In this article, the author includes information on how to home brew your own dual band satellite antenna
[ Hits: 333 | Votes: 5 | Rating: 8.8 ]

FC-80B Linear Amplifier - An AL-80B Copy - A Home brew 3-500Z HF Linear Amplifier heavily based on the Ameritron AL-80B
[ Hits: 223 | Votes: 0 | Rating: 0 ]

Homebrew a High Performance SSB RTX for 14 MHz - This article describes the construction of a high performance transmitter and receiver for SSB (voice) communication covering the 14MHz (20 meters) high frequency amateur radio band with output range 15 to 20 watts and a top audio sound quality both on transmit and receive.
[ Hits: 347 | Votes: 5 | Rating: 7.8 ]

Homebrew Spectrum Analyzer - Project for DXers and experimenters alike. An old article publishes by 73 Amateur Radio magazine in PDF format, where all the components required to build your own HF spectrum analyzer may be found in a well-stocked junk box.
[ Hits: 777 | Votes: 0 | Rating: 0 ]
A Three-Band One-Tube Novice Transmitter - A homebrew radio transmitter project, based and inspired by the original 30 Watts input on 80 50 and 15 meters band transmitter by W11CP
[ Hits: 345 | Votes: 2 | Rating: 10 ]

VK5TM Noise Canceller - Noise Canceller kit originally developed about 1989 by G4WMX and GW3DIX and improved by DK9NL and DG0KW.The VK5TM Noise Canceller is another version of the design, with the HF Vox circuit removed and a couple of other minor changes, including the use of SMD JFETs and a double-sided pcb.
[ Hits: 476 | Votes: 1 | Rating: 10 ]

Apple MacBook interface for digital modes - How to make a custom Line In connector for apple macbook or iMac to connect your amatur radio transceiver. A simple modification of a standard USB audio interface can work.
[ Hits: 135 | Votes: 0 | Rating: 0 ]