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analy

323 links - and 13 categories

Antennas : Microwave
  • Basic Microwave Antennas - Utility-Driven Tradeoff Analysis, if you want to geto on the microwave bands , you will have to choose the proper antenna for your operating conditions. How to decide is not always easy, and you may also decide to build your own antenna.
    [ Hits: 356 | Votes: 1 | Rating: 9 ]
Antennas : Traps
  • RF Trap Resonant Frequency - RF traps for a lightweight 40/30/20/17/15m inverted V dipole antenna for SOTA purposes and how you can use a modern antenna analyser to find the resonant frequency of a HF trap.
    [ Hits: 199 | Votes: 0 | Rating: 0 ]
Manufacturers : Antenna Analyzers
  • HG7AN Antenna Analyzer - Antenna Analyzer plus 500 is a multifunctional measuring instrument, very useful for amateur radio activity. Its size allows you to easily take it for relocation as well. Frequency range: 100KHz - 500MHz. Access directly via WiFi. Includes a dual-channel signal generator
    [ Hits: 264 | Votes: 1 | Rating: 10 ]
Manufacturers : Test Equipment : Spectrum Analyzers
  • Saluki Technology Inc. - Saluki manufacturer of Spectrum Analyzer, Handheld Spectrum Analyzer, Signal Analyzer, Cable and antenna analyzer, Network Analyzer|RF Signal Generator, Cable Antenna Analyzer
    [ Hits: 135 | Votes: 0 | Rating: 0 ]
Operating Modes : Satellites : Weather Satellite
  • Decoding Russian Meteor-M2 satellite images in real time - The Meteor-M N2 is a polar orbiting Russian weather satellite that was launched on July 8, 2014. Its main missions are weather forecasting, climate change monitoring, sea water monitoring/forecasting and space weather analysis/prediction. Meteor-M N2 transmits images using the digital LRPT protocol at around 137.1 MHz with can be received with an RTL-SDR.
    [ Hits: 199 | Votes: 0 | Rating: 0 ]
Operating Modes : Weak Signal
  • WSPR Maps and Chars VK7JJ - WSPR Search and spot analysis web site offers fast, easy and comprehensive spot mapping, charts, table and statistics with advanced search ability
    [ Hits: 183 | Votes: 2 | Rating: 8.5 ]
Propagation : Sporadic E
  • How propagation works on VHF Bands - Thunderstorm effects on sporadic E propagation, Very long distance propagation in the 144 MHz band, Analysing the number of skips in multiple hop propagation
    [ Hits: 110 | Votes: 2 | Rating: 10 ]
Propagation : Sunspots
  • Sunspot Index and Long-term Solar Observations - The Solar Influences Data analysis Center SIDC is a department of the Royal Observatory of Belgium and its mission is to preserve, develop and diffuse the knowledge of the long-term variations of solar activity.
    [ Hits: 141 | Votes: 0 | Rating: 0 ]
Radio Equipment : Antenna Analyzers
  • NanoVNA - The NanoVNA is a very compact handheld Vector Network Analyzer. The NanoVNA is tiny and portable analyzer, and it offers a high performance capabilities with an embedded lcd display.
    [ Hits: 259 | Votes: 1 | Rating: 1 ]
Radio Equipment : HF Transceivers : ICOM IC-756
  • ICOM 756 and 756PRO - Ini this article the author compare the Icom 756 and Icom IC 756 PRO. Comparison is very detailed and includes S Meter Calibration, Microphone Gain, Transverter Jack, the noise blanked, the spectrum analyzer, audio quality, notch filter, compression meter, noise reduction, sensivity and filter settings along to many other features making this article a must for who want to compare this two models
    [ Hits: 230 | Votes: 1 | Rating: 8 ]
Radio Equipment : HF YAGI Antennas : Hy-Gain TH3JR
  • HyGain TH3JR Improvements - An analysis and performance improvement of the HyGain TH3JR on the 20 meters band.
    [ Hits: 159 | Votes: 0 | Rating: 0 ]
  • TH-3JRS Deconstruction - Analyzing and deconstructing the Hy-Gain TH3JRS for maintenance task.
    [ Hits: 86 | Votes: 0 | Rating: 0 ]
Software : Log Analysis
  • LogView for WSJT-X - Log viewer for WSJT-X is an external utility to parse the WSJT-X log and check for duplicate contacts or making additional analysis.
    [ Hits: 561 | Votes: 0 | Rating: 0 ]
  • Analyze Contest Passing - Contest log checker to detect QSO band passes. The PASS program reads a Cabrillo log and reports the QSOs that were passed (moved) from one band to another. The program is not graphical and it is meant to be run at a DOS prompt or in a CMD window under Windows.
    [ Hits: 95 | Votes: 0 | Rating: 0 ]
Software : Software Defined Radio
  • SDRangel - SDRangel is an Open Source Qt5 / OpenGL 3.0+ SDR and signal analyzer frontend to various hardware TX & RX Software Defined Radio. SDRangel uses sample source plugins to collect I/Q samples from a hardware device.
    [ Hits: 155 | Votes: 1 | Rating: 6 ]
Software : Vector Network Analyzer
  • NanoVNA GitHub Repository - Very Tiny Palmtop Vector Network Analyzer by edy555. This is the original GitHub firmware repository implementing the standard 50KHz to 300MHz model
    [ Hits: 151 | Votes: 0 | Rating: 0 ]
Technical Reference : Spectrum Analyzers
  • Anritsu MS2711A Repair - Repairing an Anritsu MS2711A handheld spectrum analyzer
    [ Hits: 147 | Votes: 0 | Rating: 0 ]
  • A Simple Spectrum Analyser - An home made simple spectrum analyzer project includes pictures and diagram.
    [ Hits: 218 | Votes: 1 | Rating: 10 ]
  • Spectrum Analyser I1KFH - A home mande spectrum analyzer project with several pictures and disposition of components boards based on a project by S57C
    [ Hits: 154 | Votes: 0 | Rating: 0 ]
Technical Reference : Vector Network Analyzer
  • miniVNA PRO Modifications - The mini Radio Solutions miniVNA PRO is the only affordable vector network analyser (VNA) I know of that offers remote wireless operation. This is very interesting because it allows to measure the input impedance of HF antennas installed at height without having to deal with coax cable lengths, baluns nor common mode suppression chokes. However, to render the miniVNA PRO truly field proof, it requires a number of significant modifications.
    [ Hits: 136 | Votes: 5 | Rating: 7.8 ]

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