Earth Antenna Received PowerFREEKnowing the gain (Gr in dB) of the receiving antenna, the distance from the satellite to the receiving antenna on earth (Km), the frequency that the satellite operates at (GHz), the radiated power of the satellite (in Watts) and the gain of the...Read More Rating:
Earth Station G/T RatioFREEThis app requires users to enter earth station antenna diameter (m), overall efficiency percentage, signal frequency (MHz) and system noise temperature (K). Hit "Calculate" and the app returns antenna gain in dB, Ts in dBK and the G/T ratio in dBK....Read More Rating:
ECM: SSJ & SOJFREENote: this app is probably too large for phones but OK for tablets and PCs. For a tracking radar, enter the power in kW antenna gain in dB, and IF bandwidth in MHz. Then enter the aircraft cross sectional area in m^2 and the range in km, for a...Read More Rating:
Inverse Chebyshev LP FilterFREEThis app is used to determine the ripple factor (e) and the order (n) of the inverse Chebyshev response when the user enters the maximum passband attenuation (Wp) in rad/s, the cutoff frequency (Wc), the maximum passband attenuation in dB (Amax)...Read More Rating:
Basic Plane Wave ParametersFREEUser enters frequency in GHz, Er & Ur, pushes the "Calculate" button and this app calculates phase velocity, wavelength and impedance. As an example, enter 3 for GHz, 7 for Er and 3 for Ur, then push calculate. This should result in 6.547E7 m/sec...Read More Rating:
Flux Density & Received PowerPAIDThis app prompts the user to enter the distance from the satellite to earth in km, the radiated power from the satellite in Watts and the gain in dB in the direction of the observer and the effective area of the receiving antenna. Once entered, push...Read More Rating:
ECM J/S ratio (SOJ)FREEFor ECM, this app is to calculate the J/S ratio for the stand-off jammer (SOJ) situation. In this case, the jammer is at a different location than the target. While the target is in the main beam of the radar antenna, the jammer radiates power...Read More Rating:
Microwave Power DensityFREEThis app can be used to find the power density in the main beam of the antenna. The user is prompted to enter the gain of a tower-mounted antenna in dB, the transmitter power in Watts and the distance from the antenna in meters. As an example,...Read More Rating:
Microwave Skin DepthFREEAt microwave frequencies, use the app to determine the skin depths of aluminum (Al), copper (Cu), gold (Au) or silver (Ag) and others. Use the checkboxes next to the metal to select it, then enter the frequency (in GHz, that is 10E9), then push...Read More Rating:
SCPC-FM voice S/N ratioFREEThis app will determine the S/N for FM voice when the user enters the baseband maximum frequency and the RF channel bandwidth in kHz, the de-emphasis in dB and the receiver C/N ratio in dB. Carson's rule is used to determine the peak frequency...Read More Rating:
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