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.
