im calculator

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

J-Pole antenna design  ^pop - Complete guide to build Jpole antennas with online dimensions calculator.

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.

Inverted L antenna  ^pop - The ever-popular inverted L antnna, a fast to implement and setup shortwave antenna project by Arnie Coro C02KK

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

Jim's Antique Radio - Crosley 51 owners manual, and more info on antique radios

2LD751 Andy Priority listing - Webpage of Andy, 2LD751. Includes links to some good 11 meter related stuff. Updated often.

The National Contest Journal - The National Contest Journal, published bimonthly by ARRL, features articles by top contesters, letters, hints, statistics, scores, NA Sprint and QSO Parties

Tampa Amateur Radio Club - Since 1922 Tampa's largest Ham organization. Dedicated to hams by hams. Classes in theory, code, and experimentation are a regular event.

IZ0BGS Massimo - Shack info, history, and photo album

ISS Realtime tracking - 5 Day prediction table for ISS and find when the ISS will be visible from your QTH by N2YO

Mistery of LDE explained - The Five Most Likely Explanations for Long Delayed Echoes

QEX - "QEX is the ARRL ""Forum for communications experimenters."" Published bimonthly, features technical articles, columns, and other items"

QRV Imprints - "We are mahers of Callsign Novelties such as:Golf Caps,License Plates and Golf Shirts, all with ""Ham"" callsigns"

DX Report from Colombia - DX Reports objective is to quickly issue the DXLogs made by Yimber Gaviria in Colombia

XPR for Linux - Simple program for ham radio Uses AX25 support built in Linux kernel, works in X11 graphics environment.

PROADIKON - Converts your logs into ADIF (Shacklog, EasyLog, PC-Profilog, LogPlus, DXLog, Log-Projekt, QW, UKWTEST, DAS LOG, HAM-LCT, Eurowinlog, StationMaster, Catlog, ARMAP95/98/2000, SPRINT, WinFD32, WAG, Fivenine, Excel Spreadsheet, CSV or TXT file; also ADIF to ASCII, import into RXCLUS DXCC and IOTA database, *.upf import file for IOTAMEM2 and many other features)

WinConvers - Convers is a chat system (similar to IRC) operating using internet TCP/IP protocols on amateur packet radio and the internet.

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

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

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."

CBTricks  ^pop - We intend to provide a wide variety of technically oriented infomation aimed at the Citizens Band, Amateur, and FRS Bands

Electronics Symbols - Over 400 electronic symbols explained, in spanish

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

RS232 Interface - This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.