antenna3747 links - and 172 categories
Antennas : 2M
- VHF TX Loop
- VHF Antenna in a lunchbox. The magnetic loop on two metres band Lloyd Butler VK5BR
[ Hits: 4375 | Votes: 4 | Rating: 4.5 ]
- 9 element yagi for 2 meters band
- A simple design of a 9 elem. yagi antenna for 2 meters band
[ Hits: 51451 | Votes: 246 | Rating: 5.16 ]
- J-Pole Antennas for 2 Meters
- This paper describes two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead. The figures give the details of the dimensions, components and construction.
[ Hits: 28757 | Votes: 7 | Rating: 7.28 ]
- A Feasible Full Sized 40 Meter Beam
- This project started as a result of renewed interest in 40 meters coupled with the desire for an antenna system that would be more effective than the simple dipole.
[ Hits: 7111 | Votes: 1 | Rating: 1 ]
- 50MHz J-Pole Antenna
- 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: 33144 | Votes: 15 | Rating: 6.73 ]
- J-Pole theory
- The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
[ Hits: 29981 | Votes: 25 | Rating: 6.74 ]
- Easy J-pole antenna
- Everybody says keep one in your bag, nobody seems to make one work right. Here's the straight scoop on why the J-pole is not an easy antenna to duplicate!
[ Hits: 34578 | Votes: 28 | Rating: 6.62 ]
- A J-Pole for 2-meters and 70-cm
- An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
[ Hits: 99508 | Votes: 117 | Rating: 6.05 ]
- A Small Wire Loop Antennas for 160 meters
- Low noise, receive only coax loop antennas for 160 - 10 meters HF bands
[ Hits: 47648 | Votes: 9 | Rating: 7.11 ]
- MAGLoop Antenna
- Magnetic loop antenna for 10-30 MHZ, 3.5-10 MHZ, description, construction details, homemade.
[ Hits: 24858 | Votes: 16 | Rating: 5.26 ]
- A Portable Multi-Band Magnetic Loop Antenna
- 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: 33879 | Votes: 11 | Rating: 6.27 ]
- Small antennas and radiation resistance
- Small antenna, what causes loss and how to increase radiation resistance in small antennas., A description of loss and radiation resistance.
[ Hits: 836 | Votes: 0 | Rating: 0 ]
- OH7SV Matti Hohtola Ham Projects
- The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO,
50 ohm to 200 ohm HF wide band transformers,
Wilkinson splitter for RX measurements,
Windom baluns 2001/2004,
Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
[ Hits: 19908 | Votes: 33 | Rating: 8.18 ]
- PROCOM Antennas
- Manufacturer of communications antennas, bandpass filters, RF combiners, receiver multicouplers, diplexers, duplexers, RF connectors, RF circulators, RF isolators, RF couplers and SWR meters
[ Hits: 5466 | Votes: 7 | Rating: 6 ]
- W1GHZ Microwave Antenna Book
- The W1GHZ Online Microwave Antenna Book online
[ Hits: 9083 | Votes: 15 | Rating: 6.67 ]
- Bicycling J-Pole 2-meter antenna
- An antenna for the 2-meter band, made by sliding coax insulator braid over a glass fiber bicycle safety flag pole
[ Hits: 7775 | Votes: 6 | Rating: 4.17 ]
- Dino's Tower Service
- Located in North Florida, specializing in tower installations, antenna assembly, and wire antennas. Experience includes a variety of antennas and towers from Rohn 25 up to Rohn 65 and rotating tower systems (KOXG).
[ Hits: 1085 | Votes: 1 | Rating: 1 ]
- ERP Calculator Plus
- ERP Calculator is an Amateur Radio software utility designed to perform a side-by-side comparison of two Ham Radio antenna systems. ERP Calculator comes pre-programmed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. ERP Calculator displays values of ERP, Antenna Power Gain, Antenna Feed point Power, Antenna System Gain in dB, Antenna Gain in dBd, SWR Attenuation in dB, SWR Power Attenuation, Coax Loss in dB, and Coax Power Loss
[ Hits: 2881 | Votes: 9 | Rating: 5.11 ]
- J Pole calculator
- Enter the operating frequency and calculate dimensions of your jpole antenna
[ Hits: 48199 | Votes: 167 | Rating: 6.26 ]
- AIO All in One by WD8KNC
- Windows contest logging software with multiple functions like antenna rotor control, dx cluster, cat control, voice and cw keying, supports many data modes, qrz lookup, pirint qsl and labels, mapping and more. Donationware software.
[ Hits: 11793 | Votes: 9 | Rating: 5.89 ]
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