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TCS Online Conversion Page!

Power Conversions

Ratio Conversions

RF Mathematics

Watt Conversions

VSWR to RSLdB Point-to-Point Antenna Tilt
dBm Conversions RSLdB to VSWR Antenna Beamwidth & Gain
dBw Conversions   Free Space Loss
Voltage Conversions   Fresnel Zone Calculation
    Refractive Index to K-Factor
    K-Factor Calculation
    Inverse Position (Azimuth / Distance)
    Rain Attenuation
    2.4 GHz ISM Power Limits
    2.4 GHz ISM Antenna Limits
    Wavelength Calculations
    Diversity Antenna Spacing
    FCC EIRP Limits

Note: Power conversions are based on 50 Ohm resistance unless otherwise stated.


Watt Conversions:


dBm Conversions:


dBw Conversions:


Voltage Conversions:


Point-to-Point Antenna Tilt:


Antenna Beamwidth and Gain:


Free Space Loss Calculations:


Fresnel Zone Calculations:


Refractive Index to K-Factor:


K-Factor Calculations:


Inverse Position (Azimuth and Distance):

The equation is too long to add, sorry.

   
Latitude A: Deg. Min. Sec. 
Longitude A: Deg. Min. Sec.   
   
Latitude B: Deg. Min. Sec.  
Longitude B: Deg. Min. Sec.  
   


Azimuth From A to B: Deg.
Azimuth From B to A: Deg.

Distance From A to B: Miles.
Distance From A to B: Kilometers.


Rain Attenuation Calculations:


Decimal Degrees to Degrees - Minutes - Seconds: 

Decimal Degrees:  Deg.

Degrees - Minutes - Seconds:


VSWR to RSLdB:


RSLdB to VSWR:


Power Limits for 2.4 GHz Spread Spectrum Radios:

Note: These calculations only apply to Point-to-Point applications. Point-to-Multipoint applications are limited to +36 dBm effective isotropic radiating power (EIRP). FCC 15.247 ( b ) ( 3 ) ( i )


Antenna Gain Limits for 2.4 GHz Spread Spectrum Radios:

Note: These calculations only apply to Point-to-Point applications. Point-to-Multipoint applications are limited to +36 dBm effective isotropic radiating power (EIRP). FCC 15.247 ( b ) ( 3 ) ( i )


Wavelength Calculations:


Diversity Antenna Spacing (For Symmetrical Paths):


FCC Part 101 EIRP Limits:


 

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