noise phase canceller

160 meter low noise antennas experiments - VE7CA experiments on 160 meters band antennas, looking for better performances on reception.

12el 144MHz Plus2 LFA Priority listing - A Low-Noise Urban 12 element Plus2 LFA Yagi antenna for 144MHz no match required, 50Ohm direct feed

Phased 40M Wire Verticals - Experiments with phased wire vertical antennas on 40 meters at VA7ST

Phased Array Discussions - Interesting discussion about phased array antennas

A 2 Meter phased array antenna - Phased array Ground Planes antennas for 144 Mhz

Modern Beverage Receiving Antenna - A helpful guide to building your own beverage-type low noise receiving antenna for broadband use. Easy, do-it-yourself suggestions to optimize directional performance, even if you lack a farm to put it on.

13el 50MHz Low Noise LFA Yagi - A Monster 13 element 6M LFA Yagi with flat SWR, 50 Ohm direct feed and minimal side lobes

RFI From Computer Equipment - Recordings of RF noise from personal computers, peripherals and related equipment. If you can match noise at your location to one of these files then you can be confident that you know where your noise is coming from.

PhaseFree, Inc. Surge Suppression - PhaseFree, Inc. Surge Suppression. Provide customers with the safest and highest quality surge suppression on the market. Providing surge suppression for the Navy's MARS stations protecting their investment.

Mobile RFI Noise identification - How identify and attenuate RF noise in mobile operations

Mobile Radio Noise Elimination - If you're driving around town listening to the buzz and engine whine blues, pick up this free pub and help yourself enjoy the music. Includes troubleshooting techniques and helpful hints.

MFSK16 - An MFSKMulti-Frequency Shift keying DX Mode. A new weak signal DX mode for Radio Amateurs, employing M-ary FSK, phase continous tones and convolutional coded FEC.

FT-1000 Noise Blanker Mod - Technical resource and information on improving ft1000 receiver performance

DSPRX - Signalprocessing for SSB - Direct Conversion Receiver using Phasemethod for Sideband Supression, does all necessary signalprocessing for Direct conversion Receivers using IQ-mixer for demodulation.

Double Tone IQ-Generator - Easy to use double tone IQ-generator for testing direct conversion SSB-transmitters based on phasemethod etc.

SimJT - SimJT is a simulation program. It generates audio-frequency JT65 and CW signals in a background of gaussian white noise, with user-specified signal-to-noise ratio.

Noise Cancelling Headphones - Review of common noise cancelling headphones for under $50.00 by WA4PGM

Magnets dissipate RF noise - How magnets can help on reducing RFI

Noise tutorials - Noise foundamentals. Radio frequency interference noise.

Radio Noise - Radio Interferences, QRN, or noise, information by W8JI

Noise measurements and reduction - K1SIX- Noise Measurement and Reduction Techniques

The RF Noise Identification Website - VE3HLS Audio files to help identify rf noise (rfi). Identify the RFI that interferes with your reception

RF Noise Supression - CB Radio RF Noise Suppression

Calculating the Received RF Noise Power - Voacap, high-frequency ionospheric communications analysis and prediction

Computer monitor noise on HF - RFI Forum at eHam.net