Search Results for "signal"444 links - and 11 categories
Antennas : Theory
- Antenna Diversity
- Single antenna with multiple polarization for diversity, diveristy receivers and propagation effects on signal polarization
[ Hits: 254 | Votes: 0 | Rating: 0.00 ]
- G7IZU RRD WEBLOG
- Information related to the G7IZU Radio Reflection Detection page. The detection of meteors, aurora and other phenomena through the use of signals reflected from ionization in the upper atmosphere.
[ Hits: 113 | Votes: 0 | Rating: 0.00 ]
- SDR Cube
- A self-contained and portable SDR Transceiver using a Softrock front end and embedded Digital Signal Processing ... No PC required!
[ Hits: 1332 | Votes: 0 | Rating: 0.00 ]
- RSQ Signal Rporting for Digital Modes
- This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.
[ Hits: 504 | Votes: 1 | Rating: 5.00 ]
- ulfelf : Ulf Elf Group
- Ulf Elf Group. Exploration of ULF, ELF, VLF Radio with emphasis on natural radio signals, the Schumann resonances, earthquake precursors, etc.
[ Hits: 196 | Votes: 3 | Rating: 10.00 ]
- Meteor scatter or meteor burst communications
- A summary, overview or tutorial covering the basics of Meteor Scatter or Meteor Burst Communications, a form of radio signal propagation often used at VHF.
[ Hits: 260 | Votes: 0 | Rating: 0.00 ]
- CW Procedure Signals
- Abbreviations used in CW operation
[ Hits: 270 | Votes: 1 | Rating: 3.00 ]
- Decoding multiple Morse code signals
- Decoding multiple Morse code signals automatically on a noisy RF band
[ Hits: 304 | Votes: 2 | Rating: 10.00 ]
- Making the Most of your PSK31 Signal
- Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.
[ Hits: 1190 | Votes: 1 | Rating: 5.00 ]
- PSK31 Elmer page and PSK Signal Quality
- Generating clean PSK signals and helping others to correctly tune their souncard output, as well as giving proper RSQ reports by identifying signal quality by N1NKM.
[ Hits: 441 | Votes: 1 | Rating: 10.00 ]
- Ground Wave Signal Propagation
- Article on propagation basics. The ground wave used for radio communications signal propagation on the long, and medium wave bands for local radio communications
[ Hits: 243 | Votes: 0 | Rating: 0.00 ]
- Tropospheric propagation
- Article about tropospheric propagation and the way in which radio signals at VHF and above propagate over greater distances than strictly line of sight in the troposphere
[ Hits: 173 | Votes: 0 | Rating: 0.00 ]
- Elecraft K2 Improving CW Filter
- Here is a cheap and simple way to significantly improve the K2 CW filter(s). With this mod, even strong signals will fade to black as they tune out of the filter pass band
[ Hits: 293 | Votes: 0 | Rating: 0.00 ]
- Raspy signals on the TS-870
- Troubleshooting the raspy signals on the TS-870S
[ Hits: 397 | Votes: 0 | Rating: 0.00 ]
- A quick and simple reference to various communications signals, such 10/11 Codes, Morse Code, Phonetic Alphabet, Police Color/Penal Codes, Q-Signals.
[ Hits: 1428 | Votes: 3 | Rating: 7.67 ]
- QSO Recorder
- This utility's purpose is to record a QSO and send it back to the other station to let the other operator hear his/her own signal.
[ Hits: 1297 | Votes: 2 | Rating: 6.00 ]
- R-20 Signal Capture and Analysis Software
- Connect your R-20 Communications Receiver to your computer. Put your listening hobby on your computer desktop.
[ Hits: 641 | Votes: 5 | Rating: 6.60 ]
- APT Decoder
- APTDecoder is a free software for recording and decoding signals transmitted by NOAA POES APT enabled weather satellites. It is run on a NT-based version of Window
[ Hits: 1725 | Votes: 4 | Rating: 9.00 ]
- Homemade Antenna Rotator Controller
- The Antenna Rotator Controller is unique in that it senses, displays, and controls to the earth’s true magnetic field. The compass sensor, mounted in a waterproof enclosure, is attached to the mast and sends its signal to a microcontroller. By kg4jjh
[ Hits: 2107 | Votes: 2 | Rating: 5.50 ]
- The Milli Beacon
- This page describes an cheap RF signal source, a portable micro beacon, using a low cost temperature controlled crystal oscillator
[ Hits: 808 | Votes: 0 | Rating: 0.00 ]
- What cause key clicks
- Clicks are most problematic when we try to copy weak signals next to moderately strong signals.
How to recognize them, and how to identify clicks problems
[ Hits: 157 | Votes: 0 | Rating: 0.00 ]
- A Homemade Signal Generator
- Homebrewing a 3 to 30 Mhz Signal Generator, project and schematic diagram
[ Hits: 5481 | Votes: 2 | Rating: 7.00 ]
- Heathkit signal generator
- Heathkit signal generator with original paper manual for download
[ Hits: 1463 | Votes: 0 | Rating: 0.00 ]
- Weak Signal - Linrad and SDR-IQ
- Linrad and SDR-IQ Software Defined Receiver on Shortwave
[ Hits: 301 | Votes: 0 | Rating: 0.00 ]
- UHF on a VHF Rig
- This circuit enables fair copy of strong 444 MHz signals, off a local repeater, using a 2m rig and a 1/4λ 70 cm indoor ground plane antenna.
[ Hits: 557 | Votes: 4 | Rating: 7.75 ]
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