antenna mf
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Antennas : Antenna Calculators- Center-Fed Wire Dipole Antenna Tuning Calculator
- Ever need a way to estimate the amount of wire to add to or remove from a center-fed wire dipole antenna to achieve resonance at a desired frequency? This article help to determine correct wire lenght.
[ Hits: 1005 | Votes: 7 | Rating: 2.86 ]
- Helical Antenna Design Calculator
updated
- Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt
[ Hits: 2158 | Votes: 16 | Rating: 6.63 ]
- Measuring Coil Inductance
- Measuring Coil Inductance with an MFJ Antenna Analyzer by Scott W Harden
[ Hits: 616 | Votes: 0 | Rating: 0 ]
- Antenna Insulators for LF-MF
- Homebrewing special insulators with PVC and copper corona rings
[ Hits: 629 | Votes: 0 | Rating: 0 ]
- Magnetic Loop Antenna Calculator
- Free windows program to calculate magnetic loop antenna.This small loop antenna calculator allow to determine capacitance and voltage based on Loop circumference, desired resonant frequency, conductor diameter and the operating power
[ Hits: 6217 | Votes: 25 | Rating: 6.28 ]
- Magnetic Loop 40-12m
- An home made magnetic loop antenna winner at Florence hamfest 2014 by IU3BRK
[ Hits: 1372 | Votes: 9 | Rating: 6 ]
- Wall Loop for 20m
- This max size magnetic loop antenna for 14 MHz with a totall circumference of 6m is designed to attach to a wall
[ Hits: 1418 | Votes: 2 | Rating: 1 ]
- Notes on Portable HF Antennas
- Notes on an optimum Portable HF Antenna, a comparison of MFJ927 and SGC239 autotuners, and a 31 ft. vs 43 ft. vertical by VE1ZAC
[ Hits: 452 | Votes: 1 | Rating: 10 ]
- NMF Technology
- Amateur radio antenna accesories manufacturer, produces four square antenna combiner, antenna controllers, antenna stack match and antenna switches
[ Hits: 153 | Votes: 2 | Rating: 10 ]
- NVIS Propagation
- Near Vertical Incidence Skywave propagation is a form of radio wave propagation used on the MF and HF bands to provide radio communications and broadcasting coverage over short distances, especially where the terrain contains obstacles.
[ Hits: 446 | Votes: 1 | Rating: 10 ]
- MFJ-259B Antenna Analyser Review
- A review of the MFJ-259B Antenna Analyser writtten by G3CWI
[ Hits: 288 | Votes: 0 | Rating: 0 ]
- Calibrating the MFJ-259B Antenna Analyzer
- This calibration procedure is the correct procedure for later MFJ-259B's. Disregard any other information. Since MFJ-259B software has been changed under the same model number, you may find some final performance test steps not valid. These steps will involve parameters that do not appear on the display.
[ Hits: 634 | Votes: 4 | Rating: 1.25 ]
- MFJ 259B problems
- Intermittent fluctuations of SWR readings with MFJ 259B antenna analyzer.
[ Hits: 552 | Votes: 5 | Rating: 2.8 ]
- MFJ-259B on 630 meters
- Modifying an MFJ-259B Antenna Analyzer to operate on 630 meters
[ Hits: 329 | Votes: 1 | Rating: 10 ]
- MFJ-259B Reviews
- eHam reviews of the MFJ-259B HF/VHF Antenna Analyser
[ Hits: 205 | Votes: 0 | Rating: 0 ]
- MFJ-971 Modification
- MFJ-971 Portable Antenna Tuner Modifications adding a bypass switch and increasing inductance to tune on 1.8MHz
[ Hits: 417 | Votes: 1 | Rating: 1 ]
- Cushcraft A3S Refurbishing
- Refurbishing my 10 years old Cushcraft A3S triband HF Antenna
[ Hits: 659 | Votes: 1 | Rating: 5 ]
- Vector network analyzer comparisons
- Test comparison of different Vecto network analyzers, like N2PK VNA , AIM4170 by W5BIG , TenTec TAPR VNA , IW3HEV miniVNA , MFJ 259B using a HP 3577A VNA as reference by Rudy Severns N6LF
[ Hits: 789 | Votes: 0 | Rating: 0 ]
- Repairing Rotators
- An article on CDE/Hy-Gain/MFJ antenna rotator repairing
[ Hits: 438 | Votes: 0 | Rating: 0 ]
- Arduino MFJ tuner control
- An Arduino uno based project to control an MFJ 998 antenna tuner via Icom CI-V interface by VE1ZAC
[ Hits: 822 | Votes: 0 | Rating: 0 ]
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