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Noise measurement uncertainty calculator
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Field strength / receive power converter
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Receiver sensitivity / noise figure / noise factor / noise floor converter
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Noise Figure Y factor method calculator
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Calculator to support Manual Testing of Field-Strength Levels Using Conventional Receivers
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Ambient noise calculator
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Antenna Factor of short tuned vertical with concentrated loading
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SG / Brix / Plato / Baume calculator
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Characteristic impedance of transmission line of two square
conductors in air
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RX1, RX2 Noise bridge calculator
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Generic noise bridge calculator
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Calculate initial load line of valve RF amplifier
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Calculate RF amplifier pi coupler
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Measuring RF impedance by the three voltmeter method
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Convert Vpk-Vpp-Vrms-dBV-dBu-mW-dBm
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Calculate braid coverage
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T Match efficiency estimator
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Calculate ferrite cored inductor - rectangular cross section
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Calculate ferrite cored inductor - circular cross section
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Calculate ferrite cored inductor (from Al)
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Calculate ferrite cored inductor - ΣA/l or Σl/A
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Skin depth calculator
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Student's t test calculator
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Factorise integer
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Convert Antenna Factor and Gain
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Folded dipole step up ratio calculator
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Calculate small loop Antenna Factor
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Calculate small transmitting loop gain from bandwidth measurement
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Calculate Antenna Q from VSWR bandwidth measurement
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Calculate VSWR and Return Loss from Zload (or Yload or S11) and Zo
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Find R,|X| from VSWR,|Z|,Ro
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Calculate cooking time for soft boiled egg
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Two point thermistor calibration
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Wire DC resistance calculator
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Calculate efficiency of vertically polarised antenna from far field
strength
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Calculate Vmax, Vmin, Imax, Imin for lossless line from Z (or Y) and Zo
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Calculate transmission line Matched Line Loss from Rin of o/c or s/c
resonant or antiresonant section
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Calculate luminous flux (lm) from luminous intensity (cd) and conical
apex angle (°)
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Calculate irradiance flux (W/m^2) from irradiance (W,W/sr) and conical
apex angle (°)
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Find |Z|,|X| from VSWR,|Z|,R,Ro
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Estimate Matched Line Loss from paired VSWR measurements
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Calculate length of helix of round wire
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Velocity factor solver
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RTD tolerance calculator
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Calculate shunt / beta / hairpin match
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Measuring impedance using an oscilloscope
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ITU P.372 ambient noise
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Find -3dB frequencies from rise time or decay time
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Slope - intercept calibration constants calculator
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Find three terminal equivalent circuit for an antenna system
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Calculate noise figure and equivalent noise temperature from ARRL MDS
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Calculate uncertainty of ReturnLoss and VSWR given coupler directivity
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Estimate core loss for ferrite cored RF transformer
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Signal to Noise ratio degradation by receiver internal noise
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Calculate impedance using S11 reflection, S21 series & S21 shunt
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Calculate Kurokawa's power reflection coefficient from Zload (or Yload
or S11) and Zsource
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Resolve measurement of I1, I2 and I12 into Ic and Id
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Calculate Y parameters for nearly ideal transformer
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IR thermometer emissivity adjuster
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Antenna Effective Aperture
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Convert complex number format
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Calculate Zo and gamma
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Calculate Loss from s11 and s21
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Calculate Z from series s21 - enhanced
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Calculate Z from shunt s21 - enhanced
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Calculate thermistor R or T from Rref,B
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Antifreeze concentration - Brix converter
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Magnetic core coefficients converter
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Antenna gain calculator - three antenna method
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Calculate Bmax in magnetic cored inductor
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Calculate saturation current in toroidal inductor
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Solve parallel resonant network
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Solve series resonant network
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Calculate toroid core temperature rise
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Calculate VSWR and Return Loss from Zload and Zo
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Calculate G/T from Sun noise Y measurement
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