Ability • Additional • Air • Antenn • Arrives • Atmospheric • Clarity • Converting • Does • Due • Effect • Fast • Fluctuation • Frequency • From • Goal • Impact • Improving • Increase • Margin • Medium • Mediums • Movement • Objects • Off • Over • Phenomenon • Position • Power • Quality • Radio • Refers • Reflect • Same • Scattering • Sending • Several • Short • Sight • Signals • Spectrum • Strong • Surface • Their • Transmitted • Typically • Use • Variations • Water • Waves