log periodic antenna des

PV6 Yagi antenna - 6 elements yagi beam for 15 meters band, by T73M

2 meter Quagi 97  ^pop - Dimensions and plan to build a W5UN EME quagi antenna

Quad calculator  ^{updated  pop} - Cubical quad antenna calculator in java script

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

GM3MXN Magnetic Loop Antenna - This article describes a loop usable from 7 - 21 mHz, using half inch copper tube 3 feet in circumference

Cubical Quad Antenna Design  ^pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.

1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.

CWJF logging - Logging program for Manchester Mineira contest CWJF

QSL.NET Logs - Index of logs hosted on DX.QSL.NET

DX'ers log search - Arkansas DX Association links to logs

VE9DX Andy - Links to my listings of Online Logs, DXcluster Telnet sites, Oblast listings, Logger download page etc.

Intek - CB radios, VHF transceivers, scanners antennas and accessories

Project Bambi - An amateur observatory using a 4 GHz TVRO antenna.

E-layer & Sporadic-E - Two modes of propagation at 50MHz E-layer & Sporadic-E by Ken G4IGO

I.L. Elettronica srl - Import-export telecommunication equipment Cushcraft Antenna Italian dealer, Kenwood Yaesu Icom Dealer

PolarPlot - Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.

Freeware for Amateur Radio Priority listing - Programs for hams written by Alex Shovkoplyas

Amlog4 amateur log - Windows log program,fast entry for contest work, view the snapshots to see amlog4 without download

Spectran - Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD

MixW V3  ^{updated  pop} Priority listing - PSK31, RTTY, SSTV, MFSK, MT63 Olivia Hellschreiber SSTV and other modes, Log, DXCluster, telnet access, log backup, Rotor, CAT and whatever you dream in a single program

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

KM5KG network designer - Windows98 Program for RF Design

AAVoice digital voice processor Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

KI5YN QLF Filter - The QLF filter is a microprocessor based interface designed to go between a standard Morse code key and a radio transmitter

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas