g stand

g stand

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• VSWR Loss Calculator - This calculator is designed to give the efficiency loss of a given antenna, based on the input of VSWR (voltage standing wave ratio) and other subsequent factors
  [ Hits: 1868 | Votes: 9 | Rating: 2.45 ]

• Inductor operation - Understanding current in loading coils
  [ Hits: 962 | Votes: 1 | Rating: 1 ]

• NVIS Antennas and Propagation - Understanding Amateur Radio NVIS Antennas and Propagation
  [ Hits: 1162 | Votes: 0 | Rating: 0 ]

• Antenna-Theory.com - A source of knowledge for learning about and understanding antennas. The goal is to present a comprehensive tutorial on antennas.
  [ Hits: 704 | Votes: 3 | Rating: 6.67 ]

• Woktenna - A woktenna. The collector and stand collapses in seconds, is aimable, portable, and gave terrific gain. This is a great little setup for a laptop on the go trying to get the distant wifi access.
  [ Hits: 5659 | Votes: 2 | Rating: 1.5 ]

• Generac - A manufacturer of standby and prime power generator sets for industrial, telecommunication, commercial, small business, mobile and residential applications.
  [ Hits: 625 | Votes: 0 | Rating: 0 ]

• Stargun Antennas - The industry standard in all antenna products
  [ Hits: 1700 | Votes: 15 | Rating: 8.39 ]

• marnic.org - F5VLB and EA4EOZ have designed a small but powerful system using satfinder and standard LNB to make radioastronomy. A step by step descritpion for the novice about radioastronomy, VLB and listening to echo of meteorite.
  [ Hits: 471 | Votes: 0 | Rating: 0 ]

• Keplerian Elements - Keplerian elements are the inputs to a standard mathematical model of spacecraft orbits.
  [ Hits: 285 | Votes: 0 | Rating: 0 ]

• Understanding Amateur Radio NVIS - Understanding Amateur Radio NVIS Antennas and Propagation, derived from The ARRL Antenna Book and QST Articles
  [ Hits: 941 | Votes: 1 | Rating: 9 ]

• Understanding propagation numbers - Quick reference table on understanding A K SFI indexes and how can be translated in usable frequency opportunities
  [ Hits: 2749 | Votes: 4 | Rating: 10 ]
• Understanding Solar Indices - Solar Flux, Geomagnetic Activity indexes and interpreting their relation
  [ Hits: 621 | Votes: 1 | Rating: 10 ]

• Sporatic-E on 10 meters band - Understanding 10 Meter sporatic-e propagation by James R. Duffey
  [ Hits: 461 | Votes: 0 | Rating: 0 ]

• MacFarlane Electronics - Canadian dealer, specializes in supply and installation of free-standing towers for commercial and amateur radio use. We also supply ham transceivers, antennas, rotors and accessories.
  [ Hits: 1386 | Votes: 0 | Rating: 0 ]

• Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
  [ Hits: 11315 | Votes: 9 | Rating: 7.77 ]

• Batteries for Emergency Communications - The purpose of this paper is to provide a basic understanding of the different types of batteries available on the market today so the reader can make an educated decision about what type of battery will best meet their needs for Amateur Radio emergency communications Brett Hammond - KB3HGP
  [ Hits: 480 | Votes: 1 | Rating: 1 ]

• High Pass Filters - Understand how high pass filters are done
  [ Hits: 604 | Votes: 0 | Rating: 0 ]

• KI5YN QLF Filter - A microprocessor based interface designed to go between a standard Morse code key and a radio transmitter. The circuit receives a signal from the key, processes it, and re-transmits it to the radio.
  [ Hits: 352 | Votes: 0 | Rating: 0 ]

• A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing - Understanding and solving RF interference problems using ferrite
  [ Hits: 1370 | Votes: 5 | Rating: 9.4 ]

• Understanding standing wave ratios - Article by SWR by A. Nony Mous
  [ Hits: 576 | Votes: 1 | Rating: 9 ]

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