ham distance

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ham distance

19 links

Antennas : 23cm

  • Yagi Antenna for 23cm ATV reception - A home made 23 elements yagi antenna for the 23cm band made on alluminium boom with floating element mounted on a plastic isolators. Includes a table with elements distances and lenght
    [ Hits: 333 | Votes: 0 | Rating: 0 ]
Antennas : 2M
  • Squarooka Antenna - squared bazooka for 2 meters band - Sort of similar to the one of the 6m omni. Instead of using twin-lead, this design makes use of a more or less regular double bazooka antenna (coaxial dipole). Your attention shall be drawn to the available standart literature, such as Rothammel. In order to "compute" the dimension, Karl Rothammel mentioned that the total length of the dipole shall be 95% of the free-space wavelength. The short-circuit bridges (closing the folded dipole) are to be placed at a distance-fraction being equal to the velocity factor of the coax cable used, which will be 66% using RG-58 or RG174.
    [ Hits: 353 | Votes: 0 | Rating: 0 ]
Antennas : Antenna Calculators
  • Calculate safety distance from your antenna - ICNIRP is a calculator software that allows you to determ safety distances for many know amateur radio antennas with respect to ICNIRP limits developed by DL9KCE
    [ Hits: 930 | Votes: 2 | Rating: 4 ]
Antennas : Towers
  • Antenna Mast Guying for Amateur Radio Antennas - Article based on ROHN engineering specification that will guide on proper guying heights and guy lengths when guying ham radio antenna masts. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points
    [ Hits: 314 | Votes: 3 | Rating: 7.67 ]
DX Resources : Clubs
  • WWDXC Western Washington DX Club - The Western Washington DX Club is an organization of Amateur Radio (HAM) operators who have a special interest in DX or distance communications
    [ Hits: 1002 | Votes: 7 | Rating: 7.28 ]
Internet and Radio : Classifieds
  • HamFM Classifieds - 100% free eBay like classified listings for any ham radio operator. Search filters for distance and item category.
    [ Hits: 179 | Votes: 0 | Rating: 0 ]
Operating Aids : Beginner's Guides
  • What is DX - Some people say the "D" in DX stands for Distance, and the "X" stands for the unknown, meaning hearing unidentified stations until identified. Read more on meanings of DX in Ham Radio slang.
    [ Hits: 808 | Votes: 2 | Rating: 10 ]
  • How Far Can I Talk With My Radio? - In order to determine total distance that a transmission may be received by two elevated antennas, we must add together the radio horizon distance of both antennas.
    [ Hits: 381 | Votes: 0 | Rating: 0 ]
  • The HF Bands - For HF Newcomers - The HF ham bands can be mysterious. Some work at night, some during the day. Some seem to be good for long distance contacts while some are better for nearby contacts. Even worse, they change tremendously from hour to hour and day to day. An overview on operating on HF amateur radio bands
    [ Hits: 1771 | Votes: 5 | Rating: 9.2 ]
Operating Aids : Grid Squares
  • Interactive Ham Radio Locator Map - This grid locator map uses Google map apis to find your QTH locator by simply clicking on the map. You can either enter your QTH locator and find the calculated distance and bearing between your QTH and another grid square.
    [ Hits: 1397 | Votes: 7 | Rating: 7.28 ]
  • Interactive Maidenhead Grid Square Locator Map - Amateur Radio Ham Radio Maidenhead Grid Square Locator Map online. This map allow just a point and click to determine dynamically the correct six characters locator. Other functions allow to calculate the distances among two given locators, or coordinates. Hover over map, specify grid, or enter latitude and longitude to show grid and/or calculate distance. Map is powered by Bing Maps.
    [ Hits: 2623 | Votes: 7 | Rating: 8 ]
Propagation : MUF Indicators
  • HamDXMap - This dynamic DX Map aggregates various resources that will help radio amateurs to operate their stations in search of long distance contacts, DX. HamDXMap displays current MUF values and foF2 critical frequency values around the globe.
    [ Hits: 385 | Votes: 9 | Rating: 9.22 ]
Software : Grid Bearing and Maps
  • 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: 11330 | Votes: 18 | Rating: 6.05 ]
  • HamCalc - Add-in module to Microsoft Excel, contains a set of radio amateur relevant special functions: DistSphericLocator(Loc1; Loc2) Calculates the spheric earth model distance between two locators [km] DirSphericLocator(Loc1; Loc2) Calculates the spheric earth model direction from Loc1 to Loc2
    [ Hits: 2242 | Votes: 3 | Rating: 3.67 ]
Software : Linux
  • IBP - Beacon Monitor - Linux program that helps one with monitoring the beacons of the International Beacon Project, by continuously showing which beacon is transmitting on which frequency, along with the distance and antenna directions by PA3FWM
    [ Hits: 1489 | Votes: 2 | Rating: 5.5 ]
Software : Logging
  • Radioman - Freeware dos VHF/UHF Logbook morse code facility, kenwood transceivers interface, moontracking, distance and bearing calculators by DF9CY but discontinued and unsupported
    [ Hits: 1821 | Votes: 0 | Rating: 0 ]
Software : Satellite tracking
  • HamGPS - Display your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a set of target locations using locator or latitude / longitude. Useful to align antennas in VHF / UHF / microwave DX activities. No network or fancy maps usage, so it can be used even in remote locations.
    [ Hits: 381 | Votes: 1 | Rating: 7 ]
Software : Weak Signal
  • MF TeleType - MF TeleType is a program for amateur radio digital communication via sound card, ham radio chat program for extra reliable text transmissions over long distance
    [ Hits: 612 | Votes: 0 | Rating: 0 ]
Software : iPhone
  • HAM Distance - Do you want to know the distance between you and that far away DX station? Mircules HAM distance tells you the distance from your location to any ham operator or maidenhead grid location on the planet.
    [ Hits: 316 | Votes: 1 | Rating: 7 ]

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