vlf receiver

Feeding an End-Fed Antenna  ^pop - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.

The Octoloop - An LF/VLF Portable Loop Antenna N4YWK

Magnetic antenna fo ULF - Detection and recording of Schumann resonances and other electromagnetic phenomena at frequencies below 50 Hz By Hans Michlmayr

Sensitivity of Multi Turn Receiving Loops - Magnetism is manifested as a 'field of vectors', that is, any point in the magnetic field has not only a magnitude, but a direction in space. The four Maxwell equations describe how electric and magnetic vector fields behave and interact.

JR6NJD remotely-controllable receiver - JR6NJD offer a web-controlled Icom PCR-1000 receiver radio, located in Beppu, Oita, Japan

30 meters digital group - Group dedicated to 30 Meter digital activity on this unique HF band! All licensed Hams and SWLs anywhere are welcome to join in. Include live PSK 31 receiver, dx spots and event calendar

Free Web Receivers from UK - Up to 3 free to tune receivers based in Bedfordshire England, Ten Tec RX320D, Yaesu FT-840 and Icom PCR-100

HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - Tune and / or listen between 10kHz - 10GHz to professional Online-Receivers as Rhode & Schwarz EK070 or AEG E1900/3, Amateur-Radio-Transceivers, Web-SDR, Digital-Modes, Repeaters, EchoLink, APRS or control Antenna-Switch-Matrix, Antenna-Tuner, SWR & PWR- Control or Web-Cams.

RT Systems - Radio Programming - Windows programming software for Icom and Yaesu amateur radios and scanners and receivers by RT Systems. Produce radio programming cables for Yaesu Icom Kenwood radios

Soft66 - Direct Conversion Receiver for Software Radio Soft66AD

mikroElektronika books : Radio receivers - Radio Receivers, from crystal set to stereo, free online ebook including, principles of radio transmission, direct radio receivers and superheterodyne receivers

Two Kenwood TS850 modifications - Here are two simple modifications / repairs for the Kenwood TS850 HF transceiver, dual receiver mod, and battery pack replacement

FT-1000D Why DX in Stereo - Yaesu's classic, top of the line HF transceiver for contesters and DXers is probably the only ham dual-receiver radio that does true diversity reception

Natural Radio Listening: Streaming Audio - A page about fascinating Very Low Frequency and natural radio, with lots of streaming audio links from remote receivers. Some experimental stereo pairs around the world.

Amateur Business CB Radios - Sell 2-Way radios and Accessories. Amateur Radio, Business Radio, CB Radio, FRS & GMRS, MURS, VHF-Marine Radio, Shortwave & Wideband Receivers, Police-Scanners in WA Usa

N1EQ Mike Nadeau Repair Service - Specialize in servicing modern HF/VHF/UHF multimode transceivers and receivers Icom, Kenwood, Yaesu, and a few others

EhoCW - CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key

Virtual Legacy Radio - Windows remote control for Yaesu or Icom. Displays the current transceiver settings frequency, mode, and others on the PC in an old-fashioned way that corresponds to the look of receivers in 70's. DX-Cluster Watch (DCW) is an application that automatically refreshes a web page with the dx-cluster content, parses spot lines from it, keeps a consolidated list and inserts the spots to VLR as frequency markers by OK1FIG

TK-150 - tk150 experimental Software for the Standard VR-150 Receiver

Simple anti-static device - With all the wire you have out, you may run into a problem with static buildup on the antennas. This static may try to make its way into your receiver, causing you major problems and damage that can run into a lot of money.

YCCC 6 Band Receive Bandpass filter - This is a 6 band receive only filter designed to protect your receiver front end and provide 45dB reject at the stop bands.

Easy bandpass filters - Quick and easy bandpass filters for receiver input by George Dobbs G3RJV

500 KHz Low Pass Filter - This article describes a shielded low pass filter with a cut off frequency of about 500 KHz. It is built with components suitable for receiving, and was designed to use in front of a low frequency receiver for LOWFER work.

HDR-2005 Receiver Workbench - Homebrew HF receiver with quadrature sampling detector QSD (aka Tayloe Mixer)

Restoring an RF Signal Generator - This signal generator is intended for realignment of radio receivers