rf spectrum analyzer/wp

The Carpet loop indoor antenna  ^pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.

Magnetic Loop antenna  ^pop - Why is an Magnetic Loop antenna so special, this antenna is picking only the magnetic part of the elektro magnetic radio wave. The big advantage of this antenna is that the electric interference from the big city have no influence on the received signal

1AT172 Franco - Personal page from Livorno Italy

QNEWS Ham Radio News - Daily updates to the weekly QNEWS Ham Radio News service in text realaudio and RF

Amateur Radio Club of Parker County - W5PC is an ARRL Special Services Club, ARES/RACES/SKYWARN in Weatherford, Parker County, TX

SV2BXC Spiros - SV2BXC Personal Amateur radio Web Page

HamFind - Search engine dedicated to amateur radio

Delaware County -Muncie - Indiana Police Scanner - Live Muncie Police Department - Indiana & Delaware County Indiana Sheriff Radio Scanner

K-Com - comprehensive line of products for rejection of Radio Frequency Interference (RFI) to telephone equipment.

Antenna Products - Antennas cover the RF spectrum from kilohertz to gigahertz and support countless mission critical military, air-sea navigation, ILS and voice-data communications applications.

Palomar Engineers - RFI Kit, ferrite cores, baluns, loop antennas, antenna tuners and various accessories

Industrial Communication Engineers - RF parts, filters, rf switching products.

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

MT63 HF mode - MT63 is a DSP based advanced HF mode for Amateur Radio, intended to provide high performance keyboard - to - keyboard conversational operation on HF bands under poor conditions

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

All Spectrum Electronics - Hobby kits and electronics, semiconductors, components, batteries, ham radio gear and more

Frequency Manager - Database system with 60000 frequencies, powerfull 3D MUF/LUF-propagtion software and full copntrol of several receivers

Zakanaka  ^pop - A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware. It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port. Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY

Nova For Windows  ^pop - Real time tracking of an unlimited number of satellites, fast, accurate and easy to use. Automated FTP keps updates. Also support a great number of interface to control rotors azimuth and elevation plus frequency doppler shift.

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.

KM5KG network designer - Windows98 Program for RF Design

100W HF QRO linear amplifier - Based on Motorola MRF454, schematics and component list

ICOM CI-V Interface schematic - G3VFP schematic for the ICOM CI-V interface with PTT and CW Keying

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