Local QRM reduction
- It is not always possible to tackle the sources of local QRM. What remains is trying to reduce the noise level by means of your antenna system.
Learn how to reduce QRM and understand how cancell noises by PA0SIM
- Timewave Documents for User Download, PK-900 Multimode Data Controller, PK-232 Multimode Data Controller, DSP-232 Multimode Data Controller, DSP-9 NoiseReduction and Bandpass Filter, Audio Signal Processor and NoiseReduction Filter, Audio Signal Processor and NoiseReduction Filter for Yaesu SP-5 and SP-6 Speakers
- DOS Freeware, DSPBOX is an attempt to code the Texas Instruments DSK 'C50 in such a way
to make it behave like a commercial DSP noisereduction unit, like the
NIR-12, the TimeWave 599+ and others. Not only the noisereduction function
has been implemented, but automatic notch, AGC and Band Pass have as well.
QRM and noisereductionPriority listing
- You will find on these pages my experiences and results on antennas and local/non-local QRM/noisereduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array.
Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM