satellite-digital-tv

Research / technical / business archive for satellite digital television, collected from public sources (arXiv, OpenAlex, Crossref+Unpaywall OA journals, SEC EDGAR annual reports, Wikipedia, Internet Archive, NASA). Three subsets, one zip each:

• parabolic-antenna.zip - reception hardware & RF front-end: parabolic antenna / dish, feed horn, LNB, LNA, Ku/Ka band, DVB-S/S2, plus 10-Ks for MaxLinear, Broadcom, Analog Devices, Skyworks, Qorvo, EchoStar.
• set-top-box.zip - receivers / IRD / tuners: set-top box, television tuner, integrated receiver-decoder, DiSEqC, low-loss coax, DVB-C/T, IPTV, plus 10-Ks for CommScope, Comcast, Cisco, MaxLinear, Broadcom, Roku, EchoStar.
• cipher.zip - conditional access / scrambling: Nagravision, Irdeto, Conax, Viaccess, VideoCipher, VideoGuard/NDS, Cryptoworks, BISS, Mediaguard (SECA), Betacrypt, PowerVu, DigiCipher, common scrambling algorithm, etc.

Each zip contains a <group>/ tree of PDFs (papers, OA journals, Wikipedia renders), .htm SEC filings, and media_* image/video folders.