long lat

long lat

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• 50 MHz Antennas by DF9CY (4 & 6 Element) - Two well performing 50 MHz antennas designed with W7EL EZNEC along to many other antenna projects and related articles
  [ Hits: 22076 | Votes: 37 | Rating: 4.39 ]

• Beverage Antennas  ^updated - So you want to build a Beverage Antenna. This article offers insights on building a two-wire Beverage antenna for better reception. Key points include using long wire (at least a wavelength, ideally two), keeping it straight and away from vertical conductors, and sloping ends for noise reduction. The author recommends copper clad wire and mentions transformer design considerations for later discussion.
  [ Hits: 6543 | Votes: 5 | Rating: 7.2 ]

• Wire Antenna Life - How long should a wire antenna last? Wire antennas are not forever. Installation and quality are major factors in the useful life. Don't forget maintenance. You can avoid an untimely failure.
  [ Hits: 2846 | Votes: 3 | Rating: 6.33 ]

• PAC-12 Antenna - mobile multiband - Here's an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. He documented the design and construction plans for a portable antenna that can be built with relatively ordinary components
  [ Hits: 20914 | Votes: 16 | Rating: 7.68 ]

• Monitoring Times - Monitoring Times, SWL, BCL, montly reports, Broadcast band, satellite television, long-wave coverage, Reviews of new products and radio-related software.
  [ Hits: 5030 | Votes: 14 | Rating: 7.99 ]

• Distance and Bearing Finder - This service uses data from the US Census and a supplementary list of cities around the world to find the latitude and longitude of two places, and then calculates the distance between them. It also provides a map showing the two places, using the Xerox PARC Map Server.
  [ Hits: 10505 | Votes: 35 | Rating: 5.14 ]
• Convert addresses to Latitude and Longitude - This online tool will convert any street address into latitude and longitude and vice-versa by executing queries to several online mapping services like googlemap geocoder maporama terraserver and more by Stephen P. Morse
  [ Hits: 2448 | Votes: 5 | Rating: 3.8 ]

• Mfsk - MFSK is an easy-to-use chat mode for real-time amateur contacts, nets and bulletin transmissions, but not intended for contesting or Bulletin Board System (BBS) use. It is a half-duplex non-Automatic Repeat ReQuest (ARQ) forward-error-correcting (FEC) mode. It performs well on long-path fading conditions and in the presence of interference
  [ Hits: 498 | Votes: 0 | Rating: 0 ]

• Railroad Radio - Information about railroad radio channels and frequencies is provided along with laws relating to using scanners as well as tips and suggestions for programing and using radio scanners.
  [ Hits: 3851 | Votes: 2 | Rating: 4.5 ]

• HamCalc v1.3  ^pop - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
  [ Hits: 28842 | Votes: 114 | Rating: 5.57 ]
• DL6WU Long boom Yagi design tools - This is an Excel spreadsheet template to design DL6WU Yagi antennas
  [ Hits: 1978 | Votes: 23 | Rating: 7.39 ]

• Radio Distance Software - This is a trivial program which calculates the distance and the bearing between two points. Points are either entered as geogr. data (Latitude/Longitude) or as qth-locator in the Maidenhead format (6 or 8 digits), as used in ham radio. Output is in degrees [°] for bearings, in Kilometer [km], US statute miles [mi] or nautical miles [nm] for distance
  [ Hits: 11331 | Votes: 18 | Rating: 6.05 ]
• WinGrid - Calculates grid squares from latitudes and longitudes, the reverse, and calculates distances and headings from two sets of lat/long or grid square. Convert Grid Square to Lat Log and vice versa. Freeware for Windows
  [ Hits: 10309 | Votes: 18 | Rating: 6 ]
• Azimuth - The AZIMUTH program plots a world map in either azimuth (beam heading) or Mercator projections. If you specify your home location in latitude and longitude, the azimuth projection is centred on your location. The Azimuth map program can display Maidenhead grids - this is useful for 6m, 2m, and UHF DX communication display. Various features of the map are: Azimuth or Mercator projections , Maidenhead grid display, Simple map zooming, Print maps with adequate resolution up to one meter sized map
  [ Hits: 6293 | Votes: 3 | Rating: 9 ]
• Pizza - This program allows both great-circle (polar) and rectangular projections of the world. The great-circle map is centered on any specified latitude and longitude (the "home" location). The rectangular projection is shown with the home longitude in the middle of the screen.
  [ Hits: 1344 | Votes: 4 | Rating: 7.75 ]
• MU-Locator - This free program displays the location of any locator on a map. It calaculates between two Maidenhead locators the distance (km and miles) azimuth longitude latitude Show the location, direction and distance as you move your mouse on a map! Graphical Locator Program, By ON6MU
  [ Hits: 1724 | Votes: 5 | Rating: 6.4 ]
• TinyLocator - This free program calculates the location of any locator. It calaculates the distance, azimuth, longitude and latitude between two Maidenhead locators. Converts longitude/latitude coordinates to Maidenhead locator Converts Maidenhead locator to longitude/latitude coordinates
  [ Hits: 1056 | Votes: 2 | Rating: 10 ]
• Beam DX - BEAM_DX is a free windows software for radioamateurs or radio listeners usage. It allows to point a directionnal antenna towards an azimuth, a locator, an international prefix or any other geographical position on earth predefined by its latitude and its longitude
  [ Hits: 2927 | Votes: 4 | Rating: 5 ]

• SPLAT! for Windows - This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.
  [ Hits: 9503 | Votes: 42 | Rating: 6.48 ]

• An Intelligent keyer for FSK beacon usage - Designing a beacon keyer that transmit the relative output power along to call sign.
  [ Hits: 636 | Votes: 0 | Rating: 0 ]

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