stand

302 links - and 1 categories

6 element UHF Yagi antenna - A standard 6 elements design scaled for UHF application. All material used in this project are easily obtainable tubes and rods which is limited within a total budget of $18.
[ Hits: 3896 | Votes: 10 | Rating: 6.79 ]

RF Balun Transformers - This application note is designed to help the reader understand how balun transformers can be used in today's RF/Microwave communication applications.
[ Hits: 2141 | Votes: 1 | Rating: 3 ]

Coaxial Transmitting Chokes - Understanding Common Mode and Differential Mode Currents on Transmission Lines by K9YC
[ Hits: 1100 | Votes: 0 | Rating: 0 ]

What make the carolina windom so good - The off-center fed CAROLINA WINDOM provides outstanding performance on all bands. This includes all the WARC bands, 30, 17, and 12 meters.
[ Hits: 6615 | Votes: 3 | Rating: 4.67 ]

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

Understanding Radiation Patterns - Understanding and using antenna radiation patterns
[ Hits: 534 | Votes: 0 | Rating: 0 ]
Understanding Antennas For The Non-Technical Ham - A Book By Jim Abercrombie, N4JA. Reason for writing this book is to educate you so you can make an informed choice concerning the best antenna for you. Another reason is to dispel the many antenna myths that circulate in the amateur communit
[ Hits: 1546 | Votes: 3 | Rating: 6.67 ]
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 ]

Antenna Gain - How much gain ? This article help you on understanding how read antenna gain values in order to evaluate antenna performance
[ Hits: 5321 | Votes: 9 | Rating: 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 ]

DXer of the Year Award - Each year the NCDXC makes an award to the most outstanding member of the club who has consistently and actively participated in DX and club activities. The award is given at the International DX Convention.
[ Hits: 321 | Votes: 0 | Rating: 0 ]

Create My Azimuthal Equidistant Map - Online generator or Azimuthal equidistand map
[ Hits: 9114 | Votes: 71 | Rating: 5.36 ]

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 ]

Maunder's Butterfly Diagram - How to understand when a new solar cycle starts. At the beginning of a new solar cycle, sunspots tend to form at high latitudes, but as the cycle reaches a maximum the spots form at lower latitudes.
[ Hits: 1389 | Votes: 3 | Rating: 8.33 ]

WideBand for Yaesu 817 857 897 ^pop - Free Download of Widebander. This software will allow you to extended TX for the Yaesu FT 857 FT 817 FT 897 and reset back to standard factory defaults. Warining: this programs looks like not to be supported. Download and use it at your own risk.
[ Hits: 41154 | Votes: 65 | Rating: 6.14 ]

Yaesu VX-2R Review - Dave N9EWO's view's and comments on the Vertex-Standard-Yaesu (V-S-Y) VX-2R also compared to the Icom IC-P7A
[ Hits: 572 | Votes: 1 | Rating: 10 ]

LP-Rotor - LP-Rotor 2.0 is a standalone freeware rotator control program for use with Microsoft Windows. LP-Rotor should work with all versions of Windows from Windows 95 forward. It is designed to be used with the Hy-Gain DCU-1 or RotorEZ interfaces for Hy-Gain rotators, or the RotorCard interface for Yaesu rotators.
[ Hits: 4985 | Votes: 5 | Rating: 6 ]

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: 11316 | Votes: 9 | Rating: 7.77 ]