The original method for calculating power density and electric field strength from transmitted power* and antenna gain
Author: kegasaExecutions: 70
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Antenna Gain, Transmit Power, Distance to E, H, B
P = P_kW * 1000;
d = d_km * 1000;
S = P * Ga / (4 * pi * d^2);
Z = 120 * pi;
E_pm = sqrt(Z * S);
H = E_pm / Z;
μ0 = 4*pi*10^(-7);
B = μ0*H;
print(S);
E_mV = E_pm*1000;
E_dBμV = 20*log(E_pm*10^6);
print(E_pm);
print(E_mV);
print(E_dBμV);
print(H);
print(B);
GadB = 10*log(Ga);
print(GadB);
print(Ga);
Dipole antenna absolute gain = 1.640922377
Dipole antenna gain = 2.150880375 dBi
Antenna absolute gain = 10^(2.150880375/10)
d = d_km * 1000;
S = P * Ga / (4 * pi * d^2);
Z = 120 * pi;
E_pm = sqrt(Z * S);
H = E_pm / Z;
μ0 = 4*pi*10^(-7);
B = μ0*H;
print(S);
E_mV = E_pm*1000;
E_dBμV = 20*log(E_pm*10^6);
print(E_pm);
print(E_mV);
print(E_dBμV);
print(H);
print(B);
GadB = 10*log(Ga);
print(GadB);
print(Ga);
Dipole antenna absolute gain = 1.640922377
Dipole antenna gain = 2.150880375 dBi
Antenna absolute gain = 10^(2.150880375/10)
| S | W/m² |
| E | V/m |
| E_mV | mV/m |
| E_dBμV | dBμV |
| H | A/m |
| B | T |
| Antenna gain Ga [dBi] | dBi |
| Antenna absolute gain |
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