directx8 basic code

Transmission lines for dummies - Myths and basic truths on transmission lines

Slinky antennas - Slinky Antenna Basics, clandestine dipole

Antennas basics  ^pop - An antenna study guide by NZART, cover basic topics like dipoles, wave lenght calculation, baluns, beams, dummy loads, and measurements.

GMRS Consumer Information - The General Mobile Radio Service (GMRS) Is a two way radio service used by families and individuals for personal use. This site provides basic information on this service.

W2LJ's blog - qrp and amateur radio - This blog is a space devoted to primarily, but not limited to, my experiences with and ideas about Amateur Radio, QRPing and Morse Code.

KG4VPY Ham Radio Site - Morse code, weather , radio news and resources

VU2LFA ham radio in india - This site is basically for the begeners (SWL) of india. This site is supporting to digital communication for hams also.

How Radio Works - Excellent slides explaining radio and radiowaves generation basics

Domino - Domino is the name given by the developers to a family of IFK coded coherent phase single tone MFSK keyed modes, using sequential tone-pairs in two alternate fields arranged as orthogonal but interleaved tone sets.

Olivia - The Olivia transmission system is constructed of two layers: the lower, modulation layer is an (almost) classical Multi-Frequency Shift Keying (MFSK) and the higher layer is a Forward Error-Correcting (FEC) code based on Walsh functions.

W2LJ's QRP Amateur Radio - Dedicated to QRP, Morse Code and operating in the great outdoors, this pages contains a description of a CW QRP portable set, also some stuff on the Buddipole and PAC-12 antenna systems.

IV3YNB CW pages - Pages fully dedicated to beginners guides, includes an interesting sample of a CW QSO, and a list of frequencies to practise morse code, useful for beginners,

The Radio Reference - RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.

Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin

Java GUI for dttsp - This is an attempt at writing a GUI in Java that runs with the Linux dttsp code.

MorseGen v1.2 - MorseGen converts text into a WAVE file of Morse code. The Tone and Speed are adjustable and the WAVE file can be repeated at a pre-set interval allowing it to be used as a CW Ident for amateur radio applications which require it.

Just Learn Morse Code Priority listing - An excellent tool that makes it easy to learn and practice Morse code.

MMvari - MMVARI is a multi-Mode SoundCard Ham (Amateur) Radio program for receiving and transmitting the RTTY-PSK-FSK-MFSK modes. The program was written to experiment with the efficiency of transmitting Japanese and East Asian languages (HL/BV/BY) using the VARICODE

M0KGK SDR Decoder Software - KGKSDR is my attempt at some SDR decoding software. I'm putting this software together purely as a learning exercise, to better understand the mathematics behind SDR in general.

MM-TNC - This package contains a sample code for the MMTTY custom TNC emulation. It is supposed to run on the same PC or on the remote PC, and offers the functions of the TNC emulation.

Delabs technologies Product Design and Engineering - Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.

Build a logging frequency counter - Pictures, photos, source code and plans to build a logging frequency counter

Tone Keyer For Morse Code Programs - Key your transmitter from the tone output of a Morse Code generator program

CB Mic Wiring  ^{updated  pop} - Excellent resource for microphones wiring including old make of cb radios. Microphone wiring can be a real pain if you arent sure how to work out which wire goes where. On this page i will try to explain the basics and also give you the wiring positions for most CB radio's

Safety: RF awarness guidelines - Although Amateur Radio is basically a safe activity, in recent years there has been considerable discussion and concern about the possible hazards of electromagnetic radiation (EMR), including both RF energy and power frequency (50-60 Hz) electromagnetic fields. This section summarizes what is now known and offers safety precautions based on the research to date.