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Sabato in Sezione 11 Luglio 2020

 

 

Sabato in Sezione 11 luglio 2020

 

Radio Mobile WEB 

Ellissoidi di Fresnel e  performance Link 

 

Off Center Fed Dipole

 

 

Radio Mobile WEB 

Ellissoidi di Fresnel eperformance dei link

 

 

Performance dei Link (in blue il calcolo dei valori dell'esempio)

 

 

Conversion between power and HF S-units Conversion between power and VHF/UHF S-units
S-reading Pout @50Ω Vout @50Ω Vout[1µV] @50Ω S-reading Vout @50Ω Pout @50Ω Vout[1µV] @50Ω
S9 + 40 dB -33 dBm 5.0 mV 74 dBµV S9 + 40 dB -53 dBm 0.50 mV 54 dBµV
S9 + 30 dB -43 dBm 1.6 mV 64 dBµV S9 + 30 dB -63 dBm 0.16 mV 44 dBµV
S9 + 20 dB -53 dBm 0.50 mV 54 dBµV S9 + 20 dB -73 dBm 50 µV 34 dBµV
S9 + 10 dB -63 dBm 0.16 mV 44 dBµV S9 + 10 dB -83 dBm 16 µV 24 dBµV
S9 -73 dBm 50 µV 34 dBµV S9 -93 dBm 5.0 µV 14 dBµV
S8 -79 dBm 25 µV 28 dBµV S8 -99 dBm 2.5 µV 8 dBµV
S7 -85 dBm 12.6 µV 22 dBµV S7 -105 dBm 1.26 µV 2 dBµV
S6 -91 dBm 6.3 µV 16 dBµV S6 -111 dBm 630 nV -4 dBµV
S5 -97 dBm 3.2 µV 10 dBµV S5 -117 dBm 320 nV -10 dBµV
S4 -103 dBm 1.6 µV 4 dBµV S4 -123 dBm 160 nV -16 dBµV
S3 -109 dBm 800 nV -2 dBµV S3 -129 dBm 80 nV -22 dBµV
S2 -115 dBm 400 nV -8 dBµV S2 -135 dBm 40 nV -28 dBµV
S1 -121 dBm 200 nV -14 dBµV S1 -141 dBm 20 nV -34 dBµV