Cliff Richard | Doppler effect | Jimmy Cliff | Mass Effect | Cliff Robertson | Oak Cliff | Special effect | Mass Effect 3 | Magnus effect | Venturi effect | Mössbauer effect | Hall effect | Cliff Thorburn | Cliff Morgan | Cliff Michelmore | Cliff Curtis | Tony Cliff | Cliff Lee | Cliff Bastin | Cliff | sound effect | Red Cliff | Mass Effect 2 | Kondo effect | Hall effect sensor | Cliff Stearns | Cliff Friend | Cliff Bleszinski | cliff | Bandwagon effect |
The United States National Telecommunications and Information Administration (NTIA) ran a coupon-eligible converter box (CECB) subsidy program for the ATSC conversion, but did not subsidize the purchase of a smart antenna to mitigate the cliff effect of digital television, and most CECBs do not support smart antennas.