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weak signals
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Antennas : Loop
- The K6STI Receiving Loop
- This relatively unknown antenna does an amazing job pulling weak low band signals out of man-made noise backgrounds
[Hits: 2134 | Votes: 4 | Rate: 5.50] Ham Radio : Clubs : North America : Canada : Quebec
- Townshippers Radio Amateur Club
- Quebec Eastern Townships amateur radio club involved in HF contests, VHF-UHF repeaters, VHF-UHF weak signals, APRS, packet, emergency measures.
[Hits: 773 | Votes: 1 | Rate: 1.00] Operating Modes : EME Operating Modes : JT65
- JT65
- JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.
[Hits: 676 | Votes: 3 | Rate: 7.00] Operating Modes : Weak Signal Propagation
- WSPRnet Weak Signal Propagation Reporter Network
- A group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power transmissions.
Computer sent/received Morse signals received by amateurs and collected on an online database.
[Hits: 364 | Votes: 2 | Rate: 10.00] Software : DSP
- Jason
- Jason is a weaksignal communication program, especially tailored for LF work.
[Hits: 844 | Votes: 2 | Rate: 5.50] Software : Hellschreiber
- Spectran
- Program designed to do spectral analysis and real-time audio filtering on reception of audio signals for EME, VLF, SETI applications. Offer support for MTHELL, QRSS, DFCW, NDB, WSJT by I2PHD
[Hits: 4911 | Votes: 11 | Rate: 8.55] Software : Linux
- RSCW
- RSCW is a Linux/Unix program for decoding morse signals using the computer's sound card. It has been written/optimized for digging weak signals out of the noise.
[Hits: 2172 | Votes: 1 | Rate: 10.00] Software : Signal Generator
- TCube
- TCUBE is a combination of a Spectrum Analyzer and a Two Tone Generator, with optional quadrature outputs. It can be used for measuring the intermodulation behavior of an audio circuit, and as a general purpose tool
[Hits: 6097 | Votes: 5 | Rate: 3.80] Software : Software Defined Radio
- WINRAD by I2PHD
- Winrad is a free software program designed to implement a Software Defined Radio (SDR), meant to run under Windows XP, Windows 2000, or Windows 98SE. In a nutshell, it accepts a chunk of up to 96 kHz coming from a complex mixer in form of two signals, I and Q, fed to the PC sound card.
[Hits: 13421 | Votes: 12 | Rate: 6.50] Software : Weak Signal
- FFTDSP
- FFTDSP is a PC program which can detect weak radio signals in real time. Uses the PC's soundcard and advanced signal processing techniques, extracts and displays weak signals from the receiver audio.
[Hits: 14795 | Votes: 7 | Rate: 4.57] - HamView
- A freeware program to dig out weak signals buried in noise, functionally similar to the excellent FFTDSP of AF9Y, but with the added bonus of real time audio filtering of the incoming signals. Just point and click with the mouse, and the selected signal will stand out from the QRM and noise.
[Hits: 5203 | Votes: 3 | Rate: 5.00] Technical Reference : Audio
- Audio Preamp
- Easy circuit that provide good gain to weak audio signals
[Hits: 2937 | Votes: 1 | Rate: 1.00] Technical Reference : Homebrew
- CW Filter
- I0QM Gaussian CW Filter page
This Filter for the weak signals is the evolution of the simple Universal State filter, already published on "Radio Rivista", the 8/1993
[Hits: 1363 | Votes: 2 | Rate: 8.00] Technical Reference : Key Clicks
- 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: 81 | Votes: 0 | Rate: 0.00]
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