urn:nasa:pds:context:telescope:madrid.dss66_26m 1.2 1.22.0.0 Product_Context 2026-07-07 1.2 Removed duplicate Internal_Reference entries from Reference_List. 2025-01-07 1.1 Updated schema version. Adding missing "telescope" references. 2020-07-19 1.0 Original context file for the DSS-66 antenna near Madrid, Spain. urn:nasa:pds:context:facility:observatory.madrid telescope_to_facility urn:nasa:pds:context:facility:observatory.dsn telescope_to_facility urn:nasa:pds:radiosci.documentation:dsn.810-005 instrument_to_document This reference is to a PDS collection containing several versions of the NASA Deep Space Network (DSN) Telecommunications Link Design Handbook (Document 810-005). The Handbook is maintained in a modular format to provide interface design data to flight projects using the DSN. Modules are updated as appropriate. Each member product in the PDS collection is the set of modules as they applied at that point in time. Modules include: 001 Handbook Introduction 101 70-m Subnet Telecommunications Interfaces 102 26-m Subnet Telecommunications Interfaces (omitted in 2009 and later versions) 103 34-m HEF Subnet Telecommunications Interfaces 104 34-m BWG Antennas Telecommunications Interfaces 105 Atmospheric and Environmental Effects 106 Solar Corona and Solar Wind Effects 107 Radio Source Catalog 201 Frequency and Channel Assignments 202 34-m and 70-m Doppler 203 Sequential Ranging 205 Command Service 206 Telemetry General Information 207 34-m and 70-m Telemetry Reception 208 Telemetry Data Decoding 209 Open-Loop Radio Science 210 Delta Differrential One-way Ranging 211 Wideband Very Long Baseline Interferometry 214 Pseudonoise and Regenerative Ranging 301 Coverage and Geometry 302 Antenna Positioning 303 Media Calibration 304 Frequency and Timing 305 Test Support 901 Handbook Glossary urn:nasa:pds:context:instrument:dsn.rss telescope_to_instrument This context product provides more information on the commanding, radio tracking, and radio science instrumentation at the telescope. https://www.mdscc.nasa.gov/index.php/en/history/ An overview of the Madrid Deep Space Communications Complex with photographs. 26 355.748580 40.429973 850.582 Geodetic coordinates derived using an ellipsoid with semi-major axis a = 6378136.3 m and flattening f = 298.257 (see DSN document 810-005, Module 301 issued 2001-01-15, Table 5 and associated text). These coordinates are valid for the years 1983-2009. DSS-66 was used primarily for communication with Earth orbiting spacecraft and for initial acquisition of any spacecraft immediately after launch. It partnered with DSS-16 (at Goldstone, CA) and DSS-46 (near Canberra, Australia) in a 26-m subnet for this purpose. DSS-66 could transmit 50-2000 W at 2.1 GHz (S-band). It could receive right- and left-circularly polarized signals simultaneously at both 2.3 GHz and 8.4 GHz; its receiver could combine the signals to obtain a rotatable linear polization. The antenna became operational in 1966, was moved from the nearby Fresnedillas NASA tracking site to its present location in 1983, and was decommissioned in 2009. The Madrid Deep Space Communications Complex (MDSCC) is located about 65 km west of Madrid, near the town of Robledo de Chevala, Spain. Under an agreement between the governments of Spain and the United States, dated 1964-01-29, the National Institute for Aerospace Technology (INTA) and the U.S. space agency NASA signed a contract for operation and maintenance of the MDSCC facilities. The creation, in 1992, of the state-owned Aerospace Engineering and Services, SA (INSA, S.A.) under INTA, allowed the concentration of these responsibilities in the new company. INSA has disappeared and Ingeniería de Sistemas para la Defensa de España is the company that has managed MDSCC since December 2012.