rf signal
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Antennas : Beverage- Echelon-Log Beverages
- About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays.
This article describes two phasing systems for Beverage antennas that improve directivity and cancel rearward signals. These systems use lossy elements and require minimal components to achieve broadband performance.
[ Hits: 1860 | Votes: 1 | Rating: 10 ]
- Magnetic Loop antenna
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- 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
[ Hits: 49979 | Votes: 60 | Rating: 5.64 ]
- Interference Cancelling System
- The use of interference signal cancellation has been around for some time. The idea is to use an auxiliary antenna almost any random length of wire in addition to the main receiving antenna
[ Hits: 1867 | Votes: 1 | Rating: 3 ]
- LinkPlus
- LinkPlus products enhance the voice quality of HF SSB amateur. Eliminates virtually all channel noise and interference and greatly strengthens SSB radio signals
[ Hits: 966 | Votes: 2 | Rating: 5.5 ]
- TX RX Systems Inc
- TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.
[ Hits: 1640 | Votes: 5 | Rating: 4 ]
- LNA Technology
- LNA Technology High Performance Low Noise Preamplifiers for Amateur Radio, VHF-UHF weak signal, DX, EME, and commercial applications.
[ Hits: 2194 | Votes: 4 | Rating: 7 ]
- MicroSignals
- MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.
[ Hits: 791 | Votes: 1 | Rating: 7 ]
- SoftRock-40
- The SoftRock-40 is a small, low-cost, good-performing "software defined radio" receiver that plugs into a computer USB port and delivers I-Q audio signals to the computer's sound card. It was designed by Tony Parks, KB9YIG and Bill Tracey, KD5TFD as an "SDR sampler project" for hams everywhere to easily try out software defined radio.
[ Hits: 8541 | Votes: 9 | Rating: 7 ]
- Eliminate QRM from 6 meters band
- The circuit described below will substantially reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequencey by TREVOR, G3ZYY
[ Hits: 1568 | Votes: 1 | Rating: 10 ]
- WA4DSY 56KB RF Modem
- This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band
[ Hits: 1083 | Votes: 0 | Rating: 0 ]
- VectorFox
- VectorFox is a software born to incorporate a PC into the fox hunting environment. VectorFox is able to take inputs from up to 5 sources, such as a 2m beam, a 2m signal meter, a TDOA, etc, and display the results on the screen. VectorFox also accepts Agrelo inputs. From these results the operator can choose which indication is best and have a line drawn on the map in the direction of the signal.
[ Hits: 1412 | Votes: 0 | Rating: 0 ]
- G7IZU Radio Reflection Detection Page
- Meteor Shower, Aurora, Sporadic-E and Solar Flares detected using Radio Signal Reflection, by Andy Smith, G7IZU. Live waterfall displays from three receivers, live Es propagation maps.
[ Hits: 808 | Votes: 6 | Rating: 8.33 ]
- Kenwood TS-950S RF gain mod
- The Kenwood TS-950S and TS-950SD HF transceivers are fine radios. However, many, if not all,
of them were produced with a design flaw which allows the RG GAIN control to cease function in
the presence of a strong signal IF the AGC has been turned OFF
[ Hits: 1774 | Votes: 1 | Rating: 1 ]
- RadioRaft
- RadioRaft decodes 10 different ARQ modes, 8 different FEC modes, Packet, Baudot, CW... It works with a Hamcomm interface or a radiomodem. RadioRaft offers automatic detection of modes, speeds and shift. It comes with a frequencymeter/baudmeter included, it has signal frequency tracking and a bit by bit display mode. Very easy to use. practical and fast.
[ Hits: 19842 | Votes: 40 | Rating: 6 ]
- Cobracom
- Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform
and as Digital-to-analog Converter for the signal generator.
True 24 bit adc/dac 48K/96k/192k sampes/sec.
[ Hits: 21552 | Votes: 13 | Rating: 6.23 ]
- MDS Spectrum Analyzer
- Software for radiomonitoring, radio spectrum analysis. MDS is designed for the real time radio spectrum analysis. It performs real time activity analysis, signal search and collects spectrum data for post time analysis.
[ Hits: 3354 | Votes: 8 | Rating: 6.88 ]
- Analyzer2000
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- Superfast analyzer for audio and radio signals. Examining radio signals is the original idea of Analyzer2000. Simply connect the AF-output of your receiver to the input of your soundcard and see, what you hear. Use SSB and you will have a feeling like using an expensive IF panorama adapter. Support for this version has been discontinued.
[ Hits: 106823 | Votes: 47 | Rating: 5.83 ]
- SIGVIEW spectrum analyzer
- Complete real time signal analysis software with wide range of powerful FFT spectral analysis tools, statistics functions and comprehensive visualization system.
[ Hits: 11509 | Votes: 10 | Rating: 7.6 ]
- Eliminate That QRM
- reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequency
[ Hits: 1175 | Votes: 0 | Rating: 0 ]
- QST signalink review - SL-1
- Designed to handle audio signal interfacing as well as transmit/receive switching Reviewed by Steve Ford, WB8IM
[ Hits: 655 | Votes: 0 | Rating: 0 ]
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