Arth-O-Graf TECOM Antenna Calculator

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 21.6 cm,          Width: 12.3 cm.,           Weight: 34.0 gms.
Materials: cardboard shell with cardboard slide
Cursor: no cursor
Scales: 35, specialized
Front: [ Wavelength (inches), Wavelength (centimeters), frequency (kMc) ] Diameter (ft), Distance (miles), Tropo Scatter (db) [ Beam Width, Gain ] Eficiency [Freq (GHz) ] Range (ft) [ Free Space Attenuation (2 scales) ] Range (Statute Miles) [ Gain Reduction db ] Surface Tolerance [VSWR , Return Loss ]
Back: [ Test Antenna Diameter ft ] Frequency (GHz) [ Minimum Range, Transmit Antenna Ht. and Max Diameter ] Minimum Test Antenna Ht., Test Antenna Diameter [ Antenna Diameter, Force ] Wind Velocity, Wind Pressure [db ] [Noise Temp °K, Noise Figure db ] [ Power Ratio, Voltage Ratio ] B Ratio, Sidelobe Level
Condition: C3 (Signs of Very Minimal use)
Came with: Nothing

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