ARRL

536 links and 1 categories about ARRL on dxzone.com

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Antennas : 20M : 20 meter Vertical Antennas

The ground image vertical antenna - A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article
[Hits: 2984 | Votes: 3 | Rate: 6.67]

Antennas : Antenna Calculators

Axial-Mode Helical Antenna Calculator - Simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.
[Hits: 1774 | Votes: 5 | Rate: 5.20]

Antennas : Magnetic Loop

Magnetic Loop antenna projects Priority listing - This website contains information about HF magnetic loop antennas for amateur radio
[Hits: 645 | Votes: 0 | Rate: 0.00]

Antennas : Multiband

Some plain facts about multiband vertical antennas - There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.
[Hits: 1547 | Votes: 1 | Rate: 7.00]

Antennas : Portable

A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick & Dirty RF-launcher—for less than $25! By Michael Atlas, N7FC
[Hits: 1110 | Votes: 0 | Rate: 0.00]

Antennas : Quad

Homebrew 6m quad - Homemade quad for 6m band, simple and cheap project by SA7AKE
[Hits: 2168 | Votes: 10 | Rate: 7.40]

Contesting

Contesting: Good Practices, Interpretations and Suggestions - HF Contesting Good Practices, Interpretations and Suggestions by ARRL
[Hits: 286 | Votes: 0 | Rate: 0.00]

Contesting : Results

ARRL Int. DX contest results - International ARRL DX Contest score records, phone recods
[Hits: 315 | Votes: 0 | Rate: 0.00]

DX Resources : Beacons : Beacon stations

WD2XSH The 500 KC Amateur Radio Experimental Group - The ARRL 600 meter experimental group
[Hits: 201 | Votes: 0 | Rate: 0.00]

Ham Radio : ARES RACES

Philadelphia ARES - Serving Philadelphia and assisting in coordinating the greater metropolitan area.
[Hits: 218 | Votes: 0 | Rate: 0.00]

Ham Radio : Clubs : North America : USA : Arizona

Arizona Repeater Association - ARRL affiliated organization
[Hits: 993 | Votes: 1 | Rate: 1.00]
ThunderBird Amateur Radio Club - ARRL Affiliated Club Phoenix, Arizona
[Hits: 274 | Votes: 0 | Rate: 0.00]

Ham Radio : Clubs : North America : USA : California

ARES El Dorado County Amateur Radio - ARRL - Ares - an amateur radio emergency service organization consisting of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service when disaster strikes
[Hits: 398 | Votes: 0 | Rate: 0.00]

Ham Radio : Clubs : North America : USA : Florida

Ft. Myers Amateur Radio Club - Fort Myers Amateur Radio Club is located in Fort Myers Florida. FMARC has around 300 ham radio operators.
[Hits: 203 | Votes: 1 | Rate: 10.00]

Ham Radio : Clubs : North America : USA : Mississippi

Tippah Amateur Radio Association - Tippah Amateur Radio Association
[Hits: 132 | Votes: 0 | Rate: 0.00]

Ham Radio : Clubs : North America : USA : Ohio

Grant Amateur Radio Club ^updated - An ARRL Special Services Club
[Hits: 154 | Votes: 5 | Rate: 8.60]

Ham Radio : Clubs : North America : USA : Pennsylvania

North Coast Contesters - NCC was formed in 1989 to further the efforts of contesters interested in the CQWW and ARRL DX contests. The member area of the club is a 175 mile circle that includes major parts of Ohio and Pennsylvania.
[Hits: 160 | Votes: 1 | Rate: 10.00]
W3OC Two Rivers Amateur Radio Club - ARRL Affiliation since January 1965
[Hits: 149 | Votes: 0 | Rate: 0.00]

Operating Modes : Mobile

Choking on RF - The intrepid newcomer encounters common mode problems in a mobile environment. Implementing some common mode chokes will be possible to reduce interferences
[Hits: 785 | Votes: 0 | Rate: 0.00]

Propagation : Solar Cycle

Solar Cycles and Earth's climate - The past and future of the Sun's solar cycle and possible impact on the Earth's climate.
[Hits: 517 | Votes: 0 | Rate: 0.00]

Radio Equipment : HF Transceivers : Yaesu FT-817

FT-817 QST review - Yaesu FT-817 and MFJ-616 speech intelligibility enhancer product review & short takes columns from QST Magazine
[Hits: 1075 | Votes: 0 | Rate: 0.00]

Software : Browser extensions

HamInfoBar - Ham Radio & SWL Toolbar Priority listing - Free toolbar for radio hams & SWLs: Search QRZ.com, HamCall, FindU.com, Google, Wikipedia, eBay and other useful engines. Check the latest DX spots. Get links to QSL, satellite, forums, propagation, broadcast radio, maps etc. RSS feeds including Amsat & the latest eBay ham specials. Listen to ARRL, RSGB and WIA news & other radio stations. Plus lots of other features!
[Hits: 688 | Votes: 3 | Rate: 8.33]

Technical Reference : Amplifiers

TANKIT Priority listing - A free design aid for vacuum tube linear RF power amplifiers. Determine plate circuit operating parameters and design pi or pi-L tanks quickly and easily.
[Hits: 1391 | Votes: 1 | Rate: 10.00]

Technical Reference : Filters

Second-Harmonic-Optimized Low-Pass Filters - Sometimes we need a little more output filtering than traditional designs offer. Look at a new filter that can give you that extra boost. QST article by W3NQN
[Hits: 403 | Votes: 0 | Rate: 0.00]

Technical Reference : Radio Frequency Interference

Automotive Interference Problems - Installing mobile radios in your new megabucks car can be a frightening proposition - especially if RF from your rig could damage your shiny new roadster
[Hits: 514 | Votes: 0 | Rate: 0.00]

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536 links and 1 categories about ARRL on dxzone.com

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