weak signal

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weak signal

63 links - and 3 categories

Antennas : Quagi
  • The Quagi Antenna Turns 40 - It has been 40 years since the VHF-UHF Quagi antenna--a combination of the desirable features of a Yagi and a cubical quad--was developed and the design was first published in the newsletter of the Southern California VHF Club, a forerunner of today's Western States Weak Signal Society.
    [ Hits: 467 | Votes: 1 | Rating: 10 ]
DX Resources : Beacons
  • WSPR - weak signal beaconing - Introduction to WSPR beacons. Article describe WSPR2 and WSPR15 beaconing mode and include a frequency reference table for both WSPR modes
    [ Hits: 654 | Votes: 0 | Rating: 0 ]
Operating Modes : FT8
  • FT8 Operating Guide - Weak signal HF DXing - An excellent guide to operating FT8 mode available in English, German and Czech that cover several aspects of the FT8 operations. Includes and exaustive guide to how configure FT8 software, how to conducto a QSO and how to operate DXPeditions in FT8 F/H mode. Covers aspects of FT4 contesting operations and interfacing with logging programs
    [ Hits: 394 | Votes: 2 | Rating: 4 ]
Operating Modes : JT65
  • Guide to JT65A - The complete Bozo's guide to JT65A by K3UK, learn how to install and operate WSJT software and start making QSO in weak signals operating modes
    [ Hits: 627 | Votes: 0 | Rating: 0 ]
Operating Modes : JT9
  • Have a Great Time with JT9 - JT9 is a amateur radio weak-signal digital mode can give little pistol stations big gun results, ARRL article by W4GAL
    [ Hits: 448 | Votes: 0 | Rating: 0 ]
  • JT9 Mode - WSJT-X is an experimental version of WSJT implementing JT9, a mode designed for making QSOs under extreme weak-signal conditions
    [ Hits: 358 | Votes: 0 | Rating: 0 ]
Operating Modes : Weak Signal
  • JT65A - weak-signal digital mode - A very exaustive and complete article on JT65A and JT65-HF operating mode, including software download links, installation notes, how to make JT65A QSO and videos to correctly work with weak signals by NW7US
    [ Hits: 669 | Votes: 2 | Rating: 10 ]
  • WSPRnet - A forum dedicated to WSPR. The Weak Signal Propagation Reporter Network is a group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation condition
    [ Hits: 375 | Votes: 1 | Rating: 10 ]
  • Weak Signals - Reduce volume to reduce noise - This article discusses how volume reduction can help in the reception of weak signals by reducing the noise level. It is commonly known that reducing the volume also reduces the background noise, and especially in the reception of weak digital signals it can be beneficial
    [ Hits: 228 | Votes: 1 | Rating: 10 ]
  • WSPR MAP by WSPRnet - Weak Signal Propagation Reporter Network Map and Database of WSPR data
    [ Hits: 328 | Votes: 3 | Rating: 7 ]
Software : JT65
  • WSJT-X - WSJT-X implements communication protocols or modes called FT8, FT4, JT4, JT9, JT65, QRA64, ISCAT, MSK144, and WSPR, as well as one called Echo for detecting and measuring your own radio signals reflected from the Moon. These modes were all designed for making reliable, confirmed QSOs under extreme weak-signal conditions. WSJT-X works on Windows Linux and MacOS. This is the official WSJT-X distribuition site.
    [ Hits: 12997 | Votes: 70 | Rating: 7.25 ]
  • WSJT-X Download Page - WSJT-X - Weak Signal Communication, by K1JT - offers specific digital protocols optimized for EME (moonbounce), meteor scatter, and ionospheric scatter, at VHF/UHF, as well as for LF, MF, and HF propagation. The program can decode fraction-of-a-second signals reflected from ionized meteor trails and steady signals more than 10 dB below the audible threshold. WSJT-X incorporates nearly all popular capabilities of programs WSJT and WSPR, while adding comprehensive rig control and many other features. Open-source, download latest version for Windows, Linux, Macintosh OS X.
    [ Hits: 8702 | Votes: 50 | Rating: 7.1 ]
Software : Linux
  • WsprDaemon - WsprDaemon is a robust application for Linux systems that decodes Weak Signal Propagation Reporter (WSPR) signals, operates with networked KiwiSDRs, Includes baseband audio input option, provides a reliable reporting function to the wsprnet.org database
    [ Hits: 109 | Votes: 0 | Rating: 0 ]
Software : Macintosh
  • JTDX - JTDX (JT Digital Modes for Linux, MacOS and Windows) is a free, open-source software for amateur radio operators for the reception and transmission of digital modes, including JT65, JT9, and FT8, among others. JTDX is designed to provide improved decoding of weak signals and better usability compared to other digital mode software like WSJT-X. It also has features like a real-time spectrum display, logging, and decoded message storage and retrieval. Download JTDX from the official site.
    [ Hits: 3262 | Votes: 6 | Rating: 8.17 ]
Software : Weak Signal
  • MSHV - MSHV is a free windows and linux multimode software that support weak signal digital modes like MSK144 MSKMS JTMS FSK441 FSK315 ISCAT JT6M FT8 FT4 JT65 PI4 amateur radio modes. MSHV features several interesting features including the Multi Answering Auto Seq Protocol, allowing multiple signal transmissions to be used during dx peditions.
    [ Hits: 1322 | Votes: 6 | Rating: 8.5 ]
  • WSQCall A Weak Signal QSO mode for LF/MF - Amateur Radio enthusiasts who are interested in the LF and MF bands may be familiar with WSPR and WSJT JT9. Used as a propagation probe or beacon, WSPR allows very weak signals to be detected, frequently as weak as -27dB SNR.
    [ Hits: 186 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino
  • Universal HF Tracker - The PCB can produce a High Frequency RF signal in the range of 1MHz to 12.5MHz using an AD9833 Direct Digital Sequence (DDS) frequency synthesizer. The signal can be modulated with different Weak Signal modes such as WSPR, JT9 and JT65 using our Arduino 5V/16MHz Pro Micro software.
    [ Hits: 140 | Votes: 0 | Rating: 0 ]
Technical Reference : Raspberry Pi Technical Reference : Software Defined Radio Technical Reference : Test Equipment : Signal Generator
  • Weak Signal Generator - Schematic for a very simple Weak Signal source by VE1ALQ
    [ Hits: 448 | Votes: 0 | Rating: 0 ]

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