websdr app

40/80 Trap Dipole Design - An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS

Inverted V Dipole for 10 15 20 meters - Inverted V Trapped dipole antenna for 14MHz, 21MHz and 28MHz ham radio bands.

Hentenna Applications - Plans and measurements to build the Hentenna antenna for HF bands and for the 6 meter band

NVIS antenna design - Theory, Modeling, and Practical Applications By W5JCK, presentation in PDF File

Another Approach to Active Antennas - Active antenna with a frequency response that is flat from 5kHz to over 30MHz

Antenna myths and mysteries - A practical approach to HF and VHF antennas, plus antenna myths and mysteries. By Terry Graves, K7FE

iPhone DX Cluster by EA2RY - HF cluster optimized for apple iPhone

Ottawa live audio feed - Ottawa EMS live police radio, and emergency services canada

WebSDR in USA K7UEB - WebSDR at K7UEB,40 and 20 meters receiver in Walla Walla University USA

WebSDR on 70cm band - 70cm and 23 cmd EME signals recorded using the 25 m dish in Dwingeloo by WebSDR Radio

WebSDR from Brazil - Online Web SDR from Sorocaba Brazil

TCI International - US global provider of innovative radio frequency (RF) solutions for spectrum monitoring and antenna applications. Specializes in Spectrum Monitoring, Communications Intelligence , HF/MF Broadcasting & Communication antenna systems.

Verdant - Designer and manufacture of Airborne Antenna & Radomes covering a range of applications. Products include vhf antenna ,uhf antenna,navigation antenna,comm antenna,blade antenna,vor/ils antenna ,L band antenna, direction finding antenna,DF antenna,vor,ils, IFF antenna on aircraft,aircraft antenna for airborne application.

Vacuumschmelze - Manufactures inductive components for telecommunications and power electronics applications.

Microtelecom - Develops and manufactures radios and telecommunication devices for special applications. SDR Receivers, Digital HF transmitters, Digital SSB Exciter.

JT6M.org - The purpose of this web site is to promote JT6M as a mode of communication on both 6M and 4M band and guide users through setting up and using JT6M effectively. Optimised for 6 metre band Meteor Scatter, JT6M allows you to make meteor scatter contacts easily. JT6M is part of the WSJT suite of digital weak signal software applications developed by Joe Taylor, K1JT

Electromagnetic Waves and Antennas - This book provides a broad and applications-oriented introduction to electromagnetic waves and antennas by Sophocles J. Orfanidis

Radio Antenna Design - Covered all kind of antenna desings for all bands and radio applications.

MiniDSP - MiniDSP is a platform for digital audio signal processing applications. Manufacture low cost digital signal processor kits for the DIY/OEM market. Our flexible audio platforms are software controlled and easily upgradeable.

TR4W Contest Logger  ^updated - TR4W (TR for Windows) is a freeware program for operating in ham radio contests. Approximately 80 percent of the program is based on source code of the TR LOG MS-DOS program, kindly provided by Larry Tyree, N6TR

PIC Simulator IDE - Powerful application that supplies PIC developers with user-friendly graphical development environment for Windows with integrated simulator (emulator), Basic compiler, assembler, disassembler and debugge

Morse Key for iPhone - A free simple touchscreen-based CW Morse Code straight key. Practice sending Morse Code on your iPhone.

K7NWS 10 Meter Beacon Project - The K7NWS beacon is an entirely homebrew affair. The transmitter outputs approximately 1 watt at 28.265 MHz.

50Mhz Beacon project - 30 Watt 50 MHz ham radio beacon de N6CA

Hybrid antenna splitter - This scheme can be used to combine two antennas