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An experimental fractal Quad antenna for 10 meter band project by AG1LE -
This Yagi has a constant element-distance of 1,50 m. You must only correct the lengths of the elements for QSY, see table down. For the bands 10 m and 12 m the Yagi is working as a reflector-radiator-Yagi, for 15 m and 17 m as a beam with radiator and director. -
The image is a all in one map of ITU Zones displaying worldwide regions and zones. It provides information on ITU Regions at IARU website, aimed at radio amateurs and technical users. Image size is in hight resolution and jpeg format, free to download. -
Comparing two wonderful radios by S52ow -
Transporting Yaesu FT-817 along with antennas and other accessories. -
It consists of a group of JavaScript driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas -
The Chameleon V1 HF Multiband Antenna is a mobile antenna that can also be used as portable. Lightweight mil whip antenna system with 10 BANDS capability 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 60m & 80m. -
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How slinky loaded beverage antennas works, includes eznec models -
A simple drawing of a shortened antenna for 40 meters by using a PVC tube -
Wideband VHF/UHF/SHF monolithic PreAmp based on MARx-series by ON6MU -
How to extend your Wireless Network by building a 2.4 gHz wifi cantenna -
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A 7 elements yagi beam monoband antenna for 14 Mhz by VE3GK -
Add some gain over your rubber dummy load with this full size dipole on your HT. -
A free windows SSTV receiving program specially designed for SWLers. This sstv decoder does not support SSTV TX. Automatic saving of images, based on MMSTV enigne, support multiple sound cards and advanced quality settings. This software is just capable to decode SSTV a good choice if you need to receive slow scan TV. -
Large picture of a 2011 amateur radio map with DXCC country list -
Starting point for some basic facts about radio astronomy, what radio astronomers do, how radio telescopes work, and the kinds of research done with radio telescopes. -
Determine the K-Factor used as a multiplier when constructing half-wave antennas. -
Horizontal HF 6-Band turning arranging emitter with 2 elements Maria Maluca -
Audiocorder is a VOX program which allows your Macintosh to act as an audio recorder -
Presented here is a transceiver to computer sound card interface complete with automated transmit key function. A sound card interface is simply the audio coupling of a computer soundcard and a transceiver to allow various computer applications that send and receive SSTV, RTTY, PSK31 and other similar modes based on soundcard generated signals. -
Homebrew with CF300 DGMF with about .24 dBD gain -
Video construction of a multiband HF trapped dipole antenna based on a variation of the classic W3DZZ design -
Online shop based in hong kong offer batteries mic speakers adaptors programming cables earpieces telescopic antennas handheld antennas desktop chargers handheld speakers. Kenwood Icom Yaesu and Alinco dealer -
The starting idea was to build a battery charger for Pb battery used in car and moto... -
Licensing, cost, practical applications, emergency and personal uses and famous hams. -
SDR-RADIO.com is a Windows console for SDR receivers and transceivers. Designed for the commercial, amateur radio and short-wave listener communities, the console provides a powerful interface for all SDR users. Many SDR owners have made their radios available over the internet. Just look at the Web Servers page for a list of the radios you can use. You do not need a licence to use this sodftware with RFSPACE, FUNcube Dongles, Soundcard (SoftRock) and low-end SDRs. -
ARRL pdf file on how remove car noise from your radio. Modern vehicles are RF noisy environments. Come learn how to identify and silence yor mobile noise sources, by WA6PDP -
Satellite antenna design and systems engineering software for windows -
Adalet wireless document on antenna basics in a four pages pdf file -
WiNRADiO for Mac, WiNRADiO provides Apple Macintosh support for our most popular receiver, the WR-1550e, a medium-range external receiver with frequency range 150 kHz to 1.5 GHz -
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JTSync is a simple utility that provides the ability to synchronize your computer clock over a network with world-wide NTP servers. When the Internet connection is not available, JTSync allows you to make time adjustments based on decoded QSOs within the WSJT-X application. -
Animated quad and yagi comparison. You can see antennas' characteristics behavior in a vertical plane with changing of the height. -
An easy to build antenna for ground reception of NOAA weather or amateur satellite signals. Double cross antenna by Gerald Martes -
Simple DIY stealth apartment antenna for 20m and 40m. It is basically a ZigZag quarter wave dipole antenna -
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The interface described here has been verified to work on the TH-G71 and also the the TH-F6A/TH-F7E -
Learn basic theory on antennas, and notes on homebrewing efficient shortwave antennas -
A novel approach to aerial evaluation with diagrams and graphs by G3CWI -
Amateur Radio software for transmission/reception of JT65 protocol. Brought to you by hb9hqx -
Satellite Finder is a way to accurately point satellite dishes at communications satellites in geostationary orbit. -
MARS CAP Mod for TS-570 -
Article on the HF dual band antenna with construction details and how to add 160 meters to the HF2V -
Overview, summary, tutorial about the dipole antenna or dipole aerial that is widely used on its own and as the basis for other antenna designs. -
The Double Bazooka Dipole is a half wave dipole with an attempt at compensation of the reactance change that occurs around resonance for a half wave dipole. -
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20/22 Ampere or 30/32 Ampere 13.8 volts power supply RE-PSF14A20 or PSF14A30 by ON6MU