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- Technical Reference > AI Ham Radio
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- Radio Equipment
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What is the best WiFi antenna for me? Looking for a range extender antenna for your WiFi system. This article will help in choosing the correct antenna for your system -
OZ2OE Technical pages, a 3 element 28 MHz light weight Yagi for 10 meters band -
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Mobile vertical antenna for 144 MHz suitable for satellite signals reception by K5OE -
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Download the PDF with USA Amateur radio HF band plan and common country prefixes updated in 2008 by Icom -
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A friendly dx net who welcomes new comers to amateur radio and the serious dxer alike; Daily from 2000gmt on 14.208mhz. Listen the net live. -
How to make a Weatherproof Vertically Polarised Omnidirectional Aerial, The Slim Jim Antenna -
Radio worldwide on shortwave with schedules -
If you have a small lot and want on 160 meters this is our version of the antenna by K5CBL Troy -
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List of Icom microphones with connector type description and transceiver compatibility -
Suppliers of Amateur Radio equipment, Antennas, accesories MFJ, Ameritron, Mirage, hardware and software for digital modes. -
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A project by DL5DBM for a VHF UHF antenna suitable for handheld transceivers -
Picture and construction details of a 5 element 20 meter monobander -
Broadband dipole antenna, needs an antenna tuner but can reach 3db gain over dipole -
The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB -
An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed -
N4SPP 80 meters band spiral loop antenna based on SM0VPO design -
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Open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, often rivaling commercial keyers. -
The Clemens match is easy to make and reliable, and is preferable to a single Gamma match as it is balanced -
A homebrew project for a 2 meter 4 element yagi beam antenna by 2E0HTS -
CB and HAM radio store, new and used, also trucking accessories stocked. -
Computer sound card packet tnc to radio interface. david stansbury kb3kai home-brew version of this soundcard to rig adapter -
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Why Packet Radio? Could be, You are Missing Something Funm, by Greg Jones, WD5IVD -
Ham Radio applications with the Arduino micro-controller presentation -
Kv5r Understanding NVIS Antennas and Propagation. This article is not intended to be a complete primer on HF radio propagation or emergency communications. -
Amateur Radio Call Log is a basic ham radio logging app for Android 1.5 and above. It stores Date, Time, Station, Freq, Mode, RST, and additional comments. Also has the ability to easily look-up callsign information from the FCC database. -
The ITU and CQ Zones Map is a printable two-page PDF provided by Icom, displaying the world divided into ITU and CQ Zones. The purpose is to assist radio amateurs in identifying and understanding these zones for communication purposes. -
English language International Shortwave broadcasts listed by search time. -
WinPSKse is a logical outgrowth of WinPSK as designed and written by AE4JY. The look and feel is intentionally similar, but some significant changes have been made, not the least of which is the ability toreceive two PSK31 signals simultaneously. -
Radio propagation prediction and simulation tool for VHF-UHF, based on the Irregular Terrain Model, also known as Longley-Rice. Can be used as a repeater site planing tool and radio coverage analysis. Currently it works on Linux and Windows. -
Listen to the DSTAR Repeater from Florida USA currently connected to Reflector 1c -
These omnidirectional antennas offer Horizontal polarization, and about 2.1 dbd of gain. They are much quieter than a dipole or a vertical, have a broader bandwidth and will usually out perform a dipole antenna. -
Signals Analyzer it's a a program, which is designed for the very qualitative analysis of different signals. The one of main fields of SA application is the analysis of unknown or unclear, strange signals. This programm will be very usefull to everyone from professional analysts to amateurs. -
If you have ever tried transmitting on HF from a tall block of apartments, where it's just not possible to erect a substantial aerial system, then this article is for you -
Tune and listen an ICOM IC761 or a IC PCR-1500 made available by DL3BAA from SW Germany -
A large collection of amateur radio maps, including CQ and ITU Zones, a complete set of ham radio Prefix Maps, grid locators and time zones map. An excellent ham radio mapping service. -
A 3 element yagi beam for 40 meters band -
N6QAB Radio Direction Finding Web Site, DF vehicles, transmitters, sniffers, dopplers, TH-D7A -
An illustrated and complete guide to soldering PL-256 coax plugs -
Rhombic Antenna dimensions for HF and VHF bands by N6JSX -
G5RV detailed antenna patterns and 3D plots setting it up as inverted V with a different angle, compared to horizontal way. -
Large on-line ham radio classified ad system, free for all users.