aprs fi

Sugar Delta Italia - The Official Sugar Delta Italy website With all the information about the SD group in Italy.

19 INTERNATIONAL RADIO 516 - My personal homepage with links to HOT DX-news from IRDX-Germany and to the other IRDX-members. also flags,coaxinfo and many more

CT Contest Logging Program Utilities - My MMPRINT utility is a post contest tool that lets you extract statistical data from a CT log file

The Finnish Callbook on the Web - Finnish Call Book by Heikki Hannikainen (OH7LZB)

The Radio Amateur Satellite Corporation - AMSAT NA official web site.

FCC Forms Available via Internet - Many official FCC forms available in Acrobat PDF format.

US Amateur Radio Frequency Allocations - US Amateur Radio Band Plans by ARRL

Microwave Email list - Message list about 903 Mhz. and above bands. Use various VHF reflectors for the 432 and lower bands. Most traffic will be about 2304 and above.

Dunestar Systems - Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.

Yaesu  ^pop - Yaesu official web site

Lazy Dog Engineering LLC - Manufacturer of software-defined radios and portable antennas

OH3TR ATV Pages - OH3RTR ATV Repeater, and some local ATV inventions like a two-stage 23 cm preamp.

Novel filter for sat working - Elimiate QRM when working with satellite antennas

NAVSTAR GPS Timing Operations - NAVSTAR GPS Timing Operations, USNO GPS Data & Information Files Global Positioning System Overview Current GPS Constellation, GPS Time Transfer Operations, GPS & Glonass Satellite Visibility

Radio Propagation - Spread Spectrum Scene. Radio Propagation notes, with downloadable files.

Popagation studies committee Priority listing - This page is about the RSGB's Propagation Studies Committee, its work, services and current projects, together with guides to where to find more about matters relating to propagation on the Internet at all levels from introductory to professional. Watch this space!

PIC Microcontroller Books from Square 1 - "Learn about PIC Microcontrollers from our Books ""Easy PIC'n"" and ""PIC'n Up The Pace"" See tables of contents for our books at our web site."

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

EM Scientific MININEC  ^{updated  pop} - MININEC for Windows is antenna modeling tool for the novice, student and hobbyist.

QRZ Cdrom Shareware - Shareware and Freeware HAM radio software by QRZ.COM

DIGTRX - High definition SSTV software for windows 2000, xp by PY4ZBZ

PacketCluster DX statistics - This program extracts statistics from a dx.dat file to show numbers of spots for each country on each band

Fil's Repair page - Series of comprehensive repair guides for consumer electronics equipment and other household devices

Tomi Engdahl's electronics info page - Large list of technical notes on various electronic components, and related links.

K1TTT Technical Reference Priority listing - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.