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Antennas : Antenna Calculators Online Dipole Antenna Calculator
 Online calculator and construction instructions
[ Hits: 2469  Votes: 15  Rating: 4.54 ]
 VSWR Loss Calculator
 This calculator is designed to give the efficiency loss of a given antenna, based on the input of VSWR (voltage standing wave ratio) and other subsequent factors
[ Hits: 1687  Votes: 9  Rating: 2.45 ]
 4:1 coax balun design
 Online calculator for a 4 to 1 coax cable balun
[ Hits: 6286  Votes: 22  Rating: 5.09 ]
 RF Transmission Line Loss Calculator
 This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
[ Hits: 494  Votes: 2  Rating: 1.00 ]
 CantennaCalc
 Kioan's calculator for building a Cantenna , directional waveguide antenna for longrange WiFi
[ Hits: 5932  Votes: 41  Rating: 6.92 ]
 Six Meters Beacons Calculator
 The six meter beacons calculator for distance and azimuth by OE1SMC
[ Hits: 483  Votes: 1  Rating: 1.00 ]
 Great Circle Distance Calculator
 This online calculator computes the great circle distance between two points on the earth's surface
[ Hits: 1337  Votes: 3  Rating: 3.67 ]
 DPRS Message Calculator
 This page calculates the necessary GPS message (C1 message on most Icom radios) to use your Icom radio in GPS mode (not GPSA mode) with DPRS.
[ Hits: 257  Votes: 1  Rating: 9.00 ]
 Calculate azimuth and elevation
 Use this online calculator if you need to know your azimuth/elevation relative to a satellite
[ Hits: 524  Votes: 3  Rating: 4.67 ]
 Microwave Antenna Design Calculator
 Available to run on all major operating systems, this free calculator provides quick estimation of antenna size required for a given gain and frequency.
[ Hits: 1120  Votes: 3  Rating: 7.33 ]
 Cantenna Calculator
 A circular waveguide calculator for designing cantennas include source code and windows executable by lincomatic
[ Hits: 2826  Votes: 60  Rating: 4.55 ]
 SuperSmith
 Program to mechanize Smith Chart operation
This graphicsintensive program is a valuable transmissionline calculator for both advanced and beginning users. Based on the venerable and highly intuitive Smith chart, it provides highaccuracy computations without recourse to paper, compass or straightedge.
[ Hits: 718  Votes: 0  Rating: 0.00 ]
 Coil Inductance Calculator
 Approximate Air Coil Inductance Calculator
[ Hits: 2106  Votes: 8  Rating: 4.37 ]
 Javascript Programs for Amateur Radio
 G0HZK javascript calculators for ham radio, distance calculator, locator calculator, UTM calculator
[ Hits: 576  Votes: 0  Rating: 0.00 ]
 Resonant Frequency Calculator
 This web based application will compute circuit values required for an LC circuit to resonate at given frequency. Also it will compute the resonant frequency if given values for L and C.
[ Hits: 1608  Votes: 7  Rating: 5.57 ]
 Electronic calculator
 Some simple electronics calculator in javascript
[ Hits: 798  Votes: 3  Rating: 5.67 ]
 Capacitor kVAr calculator
 Online calculator to determine the Capacitor kVAr required to improve the power factor from cos 01 to cos 02 with your present kW load
[ Hits: 1236  Votes: 46  Rating: 5.02 ]
 DB Watts EIRP Calculator
 Online calculator, to convert dbWatts to Watts and viceversa, or ERP and EIRP by G4URH
[ Hits: 517  Votes: 14  Rating: 4.15 ]
 Coax Cable Loss and Antenna Gain Calculator
 Types of coax cable and line loss calculator, online coaxcable loss / antenna gain calculator
[ Hits: 1267  Votes: 20  Rating: 4.15 ]
 Return Loss, SWR, Power Gain and Loss Calculator
 A neat tool for your daily ham activities around the shack
[ Hits: 592  Votes: 8  Rating: 2.37 ]
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