| bigmedia.org | Rocky Mountain Media Watch |
| smpte.org | Society of Motion Picture and Television Engineers |
| ebu.ch | EBU - European Broadcasting Union |
| cptech.org | Consumer Project on Technology |
| dtvanswers.com | DTV Answers : What you need to know about the February 17, 2009 switch to DTV. |
| antennaweb.org | AntennaWeb |
| rtnda.org | Radio and Television News Directors Association and Foundation |
| theiabm.org | International Association of Broadcasting Manufacturers (IABM) |
| spie.org | Spie--the International Society For Optical Engineering. The Optics, Photonics, |
| mca-i.org | MCA-I - Media Communications Association-International |
| nab.com | www.nab.com/ |
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