124 links

Antennas : Array Antennas : EH
  • Luisteramateur NL-10145 EH Antenna - Calculate EH Antenna, 20m 40 80m. Fotos, Original eh antenna building.
    [ Hits: 1561 | Votes: 10 | Rating: 6.20 ]
  • De EH DipooleAntenne - EH Antennas, and some PDF file with plans to build an eh antenna, Calculate eh, 20 40 80 meters bands
    [ Hits: 1871 | Votes: 4 | Rating: 7.75 ]
Antennas : Feed Lines
  • Antenna Cable Loss and SWR - Calculate Cable Loss from SWR and reverse. Text file with only two simply formulas
    [ Hits: 2026 | Votes: 4 | Rating: 4.00 ]
  • Actual Antenna SWR - Easy for calculate formula which could be a wake-up call for you. The SWR value at the input of antenna cable is not a actual SWR of your favorite antenna.
    [ Hits: 3934 | Votes: 5 | Rating: 4.80 ]
Antennas : Log Periodic
  • Log Periodic Antenna Design  pop - calculates the dimensions and spacings of the elements needed to build a log periodic antenna, given tao, sigma and the lower and upper cutoff frequencies.
    [ Hits: 32018 | Votes: 260 | Rating: 6.16 ]
Antennas : Quagi
  • Quagi Designer - Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB
    [ Hits: 5234 | Votes: 23 | Rating: 5.08 ]
Antennas : Theory : Antenna Gain
  • Calculate antenna gain - Guide to calculate effective gain of antennas
    [ Hits: 10099 | Votes: 95 | Rating: 6.47 ]
Contesting : Software
  • Contest LogChecker - Contest LogChecker is a set of contest tools for Microsoft Windows, combining advanced text editing with keyword highlighted, and the ease and flexibility of import, export, statistics and charting utilities. With LogChecker you can edit, fill in the log, check Cabrillo Format and Header, convert files from the most popular logging software to Cabrillo, print customizable files, calculate statistics and export logs to RTF, PDF or HTML for publishing. You can examine a log in many different ways by highly interactive methods. LogChecker includes a Master Callsign Database tool for managing databases, which have been generated from actual contest logs. Commercial
    [ Hits: 2356 | Votes: 23 | Rating: 9.07 ]
DX Resources : Beacons : 10 GHz Beacons
  • QTF Calculator for 10 GHz Beacons - 10 GHz Beacon Database in excel format that Calculates the QTF from any locator to any beacon
    [ Hits: 449 | Votes: 1 | Rating: 10.00 ]
Software : Antenna analysis
  • Coax Cable loss and SWR calculator - This small window application will calculate Coax Cable loss from SWR and SWR from Cable Loss
    [ Hits: 6667 | Votes: 58 | Rating: 3.36 ]
  • Meter Mate - SWR Graph Software - Meter Mate is a companion utility for your directional watt meter that allows you to calculate the SWR reading when the forward and reflected power readings are measured. In addition to calculating the antenna system SWR Meter Mate will also plot the SWR curves of all of your antennas onto graphs that may be printed out.
    [ Hits: 1719 | Votes: 11 | Rating: 5.26 ]
Software : Grid Bearing and Maps
  • 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: 2030 | Votes: 3 | Rating: 3.67 ]
  • 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: 909 | Votes: 1 | Rating: 10.00 ]
Software : Propagation
  • G7RAU Live MUF V7 - Live MUF is a DXC (cluster) telnet client which attempts to resolve propagation modes from spots and also attempts to calculate sporadic e possibilities purely based on incoming data from the cluster
    [ Hits: 3920 | Votes: 14 | Rating: 4.58 ]
Software : Satellite tracking
  • Satellite tracking with GPS - The program calculates the actual position of the satellites using the NORAD 2LINE-element set, which is available via the Internet, for nearly all satellites. The position is then displayed in 3D-view as well as in 2D (mercator) view, where the footprints are also be shown.
    [ Hits: 2759 | Votes: 6 | Rating: 5.00 ]
  • Ballistic simulator Orbit - Ballistic simulator "Orbit" allows the physical principles of the motion in the gravitational field of the Earth to be demonstrated and learned. You can calculate with this program the ballistic trajectories of the thrown bodies and orbits of spacecrafts and visualize the astroballistic situation on the flat map of the world and on the rotating globe in the real time
    [ Hits: 1724 | Votes: 3 | Rating: 7.33 ]
Software : Utilities Technical Reference : Calculators
  • LCF Calculator - LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance
    [ Hits: 2262 | Votes: 31 | Rating: 3.87 ]
Technical Reference : Coax Cables and Connectors
  • Coaxial Cable & Power Handling - This calculator can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest
    [ Hits: 1034 | Votes: 8 | Rating: 8.17 ]
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